Free Full-Length TEAS Practice Test: 170 Questions

Which statement best expresses the main idea of the passage?

1. ATeenagers stay up late mainly because they are lazy and need stricter bedtimes.
2. BLater school start times will solve every problem that tired students face, including poor sleep habits at home.
3. CChanges in teenagers' body clocks conflict with early school start times, and adjusting school hours may help.
4. DTeenagers should replace nighttime sleep with short naps during the school day.

According to the passage, by how much can melatonin release be delayed in adolescence compared with childhood?

1. AAs much as two hours
2. BAs much as thirty minutes
3. CAs much as one hour
4. DAs much as four hours

According to the passage, what did some districts report after moving their first bell to 8:30 a.m. or later?

1. AStudents no longer needed eight hours of sleep.
2. BTest scores rose in every subject and fewer students needed tutoring.
3. CStudents stopped using screens before bed.
4. DAttendance rose and fewer students arrived late.

A student must wake at 6:00 a.m. for school and does not fall asleep until midnight. Based on the passage, what can be inferred about this student?

1. AThe student is getting more sleep than most teenagers need.
2. BThe student's body releases melatonin earlier than usual.
3. CThe student's sleep schedule matches the school's start time well.
4. DThe student is probably getting fewer hours of sleep than the passage says teenagers need.

Why does the author write, 'Experts do not claim that a later start solves every problem'?

1. ATo argue that school start times do not matter
2. BTo show that experts disagree about how much sleep teenagers need
3. CTo acknowledge a limit of the proposal before restating its value
4. DTo introduce a new cause of teenage sleep loss

Which statement best expresses the main idea of the passage?

1. ATide pools are harsh, changing habitats, and the animals living in them cope in different ways.
2. BHermit crabs are better suited to tide pools than any other animal.
3. CTide pools are too fragile for scientists to study.
4. DThe water in a tide pool stays the same temperature and saltiness all day, so few animals need special adaptations.

According to the passage, which event can make the water in a tide pool saltier?

1. ARain falling into the pool
2. BMussels closing their shells
3. CAnemones pulling in their tentacles
4. DEvaporation of water in the sun

How is the second paragraph organized?

1. AIt lists the steps by which a tide pool forms.
2. BIt gives examples of animals and describes how each one copes with changing conditions.
3. CIt compares tide pools with the open ocean.
4. DIt presents a problem that tide pools face and then explains a solution proposed by scientists who study them.

How does the hermit crab's response differ from the responses of the anemone and the mussel?

1. AThe hermit crab holds water inside its shell, while the others move.
2. BThe hermit crab pulls in its tentacles, while the others scuttle away.
3. CThe hermit crab moves to a different pool, while the others protect themselves in place.
4. DThe hermit crab survives only in deep water, while the others survive in air.

According to the passage, why do scientists study tide pools?

1. AThe pools can be observed quickly and show clearly how living things respond to stress.
2. BThe pools contain fewer species than the surrounding rock, which makes counting each one easy.
3. CThe pools are the only places where anemones live.
4. DThe pools stay at one temperature, which makes experiments simple.

According to the information given, how many flu vaccinations did the clinic give during the four weeks?

1. A331
2. B341
3. C351
4. D361

Compared with the week before, in which week did the number of children vaccinated increase the most?

1. AWeek 4
2. BWeek 2
3. CWeek 3
4. DThe increase was the same in every week

Which detail from the passage best explains why more children were vaccinated in Week 3?

1. AA free vaccination day for school-aged children was held that week.
2. BThe clinic is open Monday through Saturday.
3. CMore adults than usual came in that week.
4. DWeek 3 had more days than the other weeks, so the clinic was open for longer.

Which statement is supported by the information in the passage?

1. AMore children than adults were vaccinated in every week.
2. BThe total number of vaccinations rose every week.
3. CThe clinic gave fewer than 100 vaccinations in every week.
4. DAdult vaccinations were highest in Week 3.

What was the family's total electricity use in the first month?

1. A250 kWh
2. B300 kWh
3. C320 kWh
4. D360 kWh

What was the family's total electricity use in the second month?

1. A260 kWh
2. B270 kWh
3. C275 kWh
4. D280 kWh

What percent of the first month's total electricity use was used by the water heater?

1. A40%
2. B35%
3. C30%
4. D25%

By what fraction did the family's lighting use drop after the new bulbs were installed?

1. AOne-half
2. BOne-third
3. CTwo-thirds
4. DOne-fourth

Both passages refer to which of the following?

1. AA hospital that tested a shorter work week
2. BA survey of customers about business hours
3. CA law requiring a four-day work week
4. DA trial of a shorter work week at a software firm

Which statement best describes how the two passages differ?

1. APassage 1 opposes a shorter week, while Passage 2 supports it.
2. BPassage 1 argues that a shorter week can raise productivity, while Passage 2 argues that the results may not apply to every business.
3. CPassage 1 describes hospitals, while Passage 2 describes software firms.
4. DPassage 1 gives no evidence, while Passage 2 describes a full study.

How would the writer of Passage 2 most likely respond to the statement in Passage 1 that workers were more focused during the trial?

1. AThe focus proves that every business should adopt a four-day week.
2. BWorkers cannot become more focused when they work fewer hours.
3. CThe focus may have come from the arrangement being new rather than from lasting benefits.
4. DThe trial should have lasted only a few weeks.

Why does the writer of Passage 2 mention a hospital, a restaurant, and a repair shop?

1. ATo give examples of businesses that must be staffed on certain days
2. BTo show that these businesses already use a four-day week
3. CTo prove that the software firm's trial was badly designed
4. DTo compare the wages paid in these businesses with the wages of software workers

Which sentence from Passage 1 is best described as the writer's recommendation rather than a reported result?

1. AIn a trial at a mid-sized software firm, employees worked 32 hours instead of 40 for six months.
2. BCompanies should consider a four-day work week with the same pay.
3. COutput stayed steady, and the number of sick days taken fell by nearly a third.
4. DManagers who had expected chaos were surprised by how smoothly the schedule ran.

Which statement best compares the two passages?

1. APassage 1 favors e-readers for their low cost and light weight, while Passage 2 favors printed paper books for their old-fashioned charm.
2. BBoth writers prefer paper books, but for different reasons.
3. CBoth writers say the format of a book makes no difference.
4. DPassage 1 favors paper books for focus and memory, while Passage 2 favors e-readers for convenience and adjustability.

Which advantage is mentioned in Passage 2 but not in Passage 1?

1. AThe text size can be made larger when the eyes are tired.
2. BThere are no notifications to interrupt reading.
3. CA book never runs out of battery on a long trip.
4. DThe reader can sense roughly where he or she is in the book.

How does the writer of Passage 1 support the claim that readers recall slightly more of a story on paper?

1. ABy quoting a librarian
2. BBy describing the writer's own test scores
3. CBy referring to several studies, including one with high school students
4. DBy comparing the prices of paper and digital books

Why does the writer of Passage 2 say, 'I admit that paper has a certain charm'?

1. ATo announce a switch to paper books
2. BTo suggest that e-readers are hard to use
3. CTo argue that the charm of paper matters more than the low cost of digital copies
4. DTo acknowledge another view before restating a preference for e-readers

Based on Passage 2, which reader would the writer most likely recommend an e-reader to?

1. AA collector who likes the look of printed books on a shelf
2. BA commuter who wants to carry many books and read comfortably when the eyes are tired
3. CA reader who wants to remember a page's location by touch
4. DA person who never reads in dark rooms and never borrows library books

Which statement best expresses the main idea of the passage?

1. AFranklin's idea of pooling members' money to buy shared books was an early step toward free public libraries.
2. BFranklin invented the printing press so that ordinary people could own books.
3. CThe Library Company was the first library ever created.
4. DPublic libraries failed because towns and states could not afford to pay for books, so members had to fund them.

According to the passage, why did few ordinary people own many books in 1731?

1. AFew people were able to read.
2. BPrinters in the colonies refused to sell their books to ordinary people.
3. CBooks were expensive and had to be shipped across the Atlantic.
4. DLaws limited the number of books a person could own.

According to the passage, how were members able to afford more titles than any one of them could buy alone?

1. AFranklin printed all of the books himself.
2. BThey combined their entry fees and yearly payments to buy books.
3. CTowns and states paid for the books with public money from the start.
4. DShipping companies donated the books.

Which conclusion is best supported by the passage?

1. AFranklin opposed using public money for libraries.
2. BThe Library Company was free for everyone to join.
3. CSubscription libraries ended as soon as books became cheaper.
4. DPublic funding of libraries came after subscription libraries like the Library Company.

As used in the passage, the word 'handful' most nearly means

1. Aa small number
2. Ba large collection
3. Ca type of valuable book
4. Dan amount that fits in one bag

What is the main purpose of the memo?

1. ATo announce that pay will be reduced
2. BTo ask employees to vote on a new procedure
3. CTo tell employees about a new check-in procedure and what they must do
4. DTo report on last month's attendance and explain which employees arrived late

According to the memo, what should an employee do if he or she forgets a badge?

1. AUse the paper sign-in sheet
2. BCall extension 214 to order a new badge
3. CWait until Friday to scan in
4. DSee the front desk supervisor for a one-day pass

Before what date should employees who have not received a badge stop by the office?

1. AMonday, March 3
2. BFriday, February 28
3. CFriday, March 7
4. DFriday, February 21

According to the memo, which is one reason for the change?

1. AIt will help staff know who is in the building during an emergency.
2. BIt will reduce the number of employees needed.
3. CIt will shorten each shift.
4. DIt will let employees leave early on Fridays.

Which phrase best describes the tone of the memo?

1. AHumorous and casual
2. BAngry and critical
3. CFormal and instructional
4. DUncertain and apologetic

A medicine label reads: 'Take 1 tablet every 8 hours with food. Do not take more than 3 tablets in 24 hours.' A patient takes the first tablet at 7:00 a.m. Which set of times for the next two tablets follows the label?

1. A11:00 a.m. and 3:00 p.m.
2. B3:00 p.m. and 11:00 p.m.
3. C1:00 p.m. and 7:00 p.m.
4. D2:00 p.m. and 9:00 p.m.

A bus leaves Maple Station at 6:40, 7:10, 7:40 and 8:10 a.m. The ride to the Central Library takes 25 minutes. Maya must be at the library by 8:00 a.m. What is the latest bus she can take?

1. A6:40 a.m.
2. B7:10 a.m.
3. C7:40 a.m.
4. D8:10 a.m.

Which of the following sentences states a fact that could be checked?

1. AThe new bridge opened in June and is 400 meters long.
2. BThe new bridge is the most beautiful in the state.
3. CEveryone should drive across the new bridge.
4. DThe new bridge was a waste of the money that taxpayers spent on it.

A set of instructions for cleaning a filter says: '1. Unplug the device. 2. Remove the filter. 3. Rinse it under cold water for 30 seconds. 4. Let it dry completely for at least 2 hours. 5. Replace the filter and plug in the device.' According to the instructions, what must happen before the filter is put back?

1. AIt must be rinsed under warm water.
2. BIt must be left plugged in.
3. CIt must dry completely for at least 2 hours.
4. DIt must be rinsed for two hours.

A student wants to find the recommended daily amount of vitamin D for adults. Which source is most likely to be reliable?

1. AA fitness fan's personal blog
2. BA national health agency's published guidelines
3. CA social media post from a supplement seller with many followers
4. DAn advertisement for a vitamin brand

Read the sentence: 'The scientist's explanation was so lucid that even the newest student could follow every step.' As used in the sentence, the word 'lucid' most nearly means

1. Aconfusing
2. Blengthy
3. Churried
4. Dclear

Read the text: 'Before you sign a gym contract, read every line. Ask about cancellation fees, and compare at least three gyms. Your wallet will thank you.' What is the author's main purpose?

1. ATo persuade readers to be careful before signing a contract
2. BTo entertain readers with a funny story about a person who joined a gym
3. CTo describe how gyms are built
4. DTo report a change in gym prices

What is 3/4 + 5/6?

1. A2 1/12
2. B1 7/12
3. C1 1/6
4. D8/10

What is 15% of 240?

1. A48
2. B32
3. C24
4. D36

A price goes from 80 dollars to 92 dollars. What is the percent increase?

1. A15%
2. B13%
3. C12%
4. D17.4%

Two numbers are in the ratio 3 : 5 and add up to 64. What is the larger number?

1. A24
2. B40
3. C32
4. D38

A medicine is labeled 250 mg per 5 mL. How many mL contain 400 mg?

1. A10 mL
2. B12.5 mL
3. C6.25 mL
4. D8 mL

How many milliliters are in 2.5 liters?

1. A25 mL
2. B2,500 mL
3. C250 mL
4. D25,000 mL

A patient weighs 154 pounds. Using 1 kg = 2.2 lb, what is the weight in kilograms?

1. A70 kg
2. B75 kg
3. C338.8 kg
4. D7 kg

Solve for x: 4x - 7 = 21

1. Ax = 5.5
2. Bx = 3.5
3. Cx = 7
4. Dx = 14

Solve for x: 3(x + 2) = 2x + 11

1. Ax = 9
2. Bx = 17
3. Cx = 5
4. Dx = 3

What is the mean of 12, 15, 9, 18 and 21?

1. A18
2. B12
3. C9
4. D15

What is the median of 7, 3, 12, 9, 5 and 14?

1. A7
2. B9
3. C8
4. D8.4

What is 0.6 x 0.35?

1. A0.21
2. B0.95
3. C2.1
4. D0.021

A rectangle has a perimeter of 36 cm and a length of 11 cm. What is its area?

1. A88 cm2
2. B77 cm2
3. C70 cm2
4. D396 cm2

A circle has a radius of 5 cm. Using 3.14 for pi, what is its area?

1. A15.7 cm2
2. B157 cm2
3. C78.5 cm2
4. D31.4 cm2

An IV bag of 1,000 mL must run over 8 hours. What is the rate in mL per hour?

1. A125 mL/h
2. B250 mL/h
3. C8 mL/h
4. D80 mL/h

What is 2/3 divided by 4/9?

1. A2 2/3
2. B1 1/2
3. C6/13
4. D8/27

What is 7/8 written as a decimal?

1. A0.78
2. B1.14
3. C0.875
4. D0.87

Which of these numbers is the greatest?

1. A5/8
2. B0.6
3. C3/5
4. D0.62

18 is 25% of what number?

1. A90
2. B4.5
3. C72
4. D45

A jacket that costs 60 dollars is on sale for 20% off. What is the sale price?

1. A12 dollars
2. B48 dollars
3. C40 dollars
4. D52 dollars

A recipe uses 2 cups of flour for 12 cookies. How many cups are needed for 30 cookies?

1. A7.5 cups
2. B6 cups
3. C5 cups
4. D4 cups

A car travels 180 miles in 3 hours at a steady speed. How far will it go in 5 hours at the same speed?

1. A900 miles
2. B300 miles
3. C240 miles
4. D360 miles

A provider orders 0.5 g of a drug. Tablets contain 250 mg each. How many tablets are needed?

1. A0.5 tablet
2. B1 tablet
3. C2 tablets
4. D4 tablets

A drug is ordered at 15 mg per kg of body weight. How many mg should a 60 kg patient get?

1. A9,000 mg
2. B75 mg
3. C4 mg
4. D900 mg

Using 1 fluid ounce = 30 mL, how many mL are in 4 fluid ounces?

1. A34 mL
2. B120 mL
3. C7.5 mL
4. D12 mL

What is 2 hours 45 minutes plus 1 hour 30 minutes?

1. A4 hr 30 min
2. B4 hr 5 min
3. C3 hr 15 min
4. D4 hr 15 min

Convert 104 degrees F to Celsius using C = (F - 32) x 5/9.

1. A72 degrees C
2. B58 degrees C
3. C31 degrees C
4. D40 degrees C

Solve for x: 5x + 2 = 3x + 14

1. Ax = 3
2. Bx = 6
3. Cx = 4
4. Dx = 8

Solve the inequality: 2x - 3 > 9

1. Ax > 6
2. Bx > 3
3. Cx > 12
4. Dx < 6

What is the slope of the line through (1, 2) and (3, 8)?

1. A6
2. B1/3
3. C2
4. D3

What is 2^3 x 2^2?

1. A12
2. B32
3. C20
4. D64

Which shows 0.00045 in scientific notation?

1. A4.5 x 10^-5
2. B4.5 x 10^-4
3. C4.5 x 10^4
4. D4.5 x 10^-3

A bag holds 4 red marbles and 6 blue marbles. One marble is picked at random. What is the probability that it is red?

1. A2/5
2. B3/5
3. C4/6
4. D1/4

What is the mode of 4, 7, 7, 9, 4, 7, 12?

1. A7.1
2. B7
3. C4
4. D9

A box is 4 cm long, 3 cm wide and 5 cm high. What is its volume?

1. A12 cm3
2. B47 cm3
3. C94 cm3
4. D60 cm3

What is 35% written as a fraction in lowest terms?

1. A7/20
2. B7/10
3. C3/5
4. D35/10

A class has 12 boys and 18 girls. What percent of the class are girls?

1. A66.7%
2. B18%
3. C40%
4. D60%

The number of patients drops from 250 to 200. What is the percent decrease?

1. A20%
2. B25%
3. C80%
4. D50%

Which chamber of the heart receives deoxygenated blood returning from the body through the venae cavae?

1. ARight atrium
2. BLeft atrium
3. CRight ventricle
4. DLeft ventricle

Which valve lies between the left atrium and the left ventricle?

1. ATricuspid valve
2. BAortic valve
3. CMitral (bicuspid) valve
4. DPulmonary valve

Where does the exchange of oxygen and carbon dioxide between air and blood take place in the lungs?

1. ABronchi
2. BAlveoli
3. CTrachea
4. DBronchioles

Which muscle is the primary muscle of inspiration (breathing in)?

1. ADiaphragm
2. BRectus abdominis
3. CBiceps brachii
4. DGluteus maximus

In which organ does most absorption of nutrients occur?

1. AStomach
2. BEsophagus
3. CLarge intestine
4. DSmall intestine

Which organ produces bile?

1. ALiver
2. BGallbladder
3. CPancreas
4. DStomach

Which part of a neuron typically receives signals from other neurons?

1. AAxon
2. BMyelin sheath
3. CAxon terminal
4. DDendrites

Which part of the brain is chiefly responsible for coordinating balance and smooth voluntary movement?

1. ACerebrum
2. BHypothalamus
3. CCerebellum
4. DThalamus

Which organ secretes the hormone insulin?

1. ALiver
2. BPancreas
3. CAdrenal glands
4. DThyroid gland

Which structure connects one bone to another bone at a joint?

1. ATendon
2. BLigament
3. CCartilage
4. DBursa

What is the outermost layer of the skin?

1. AEpidermis
2. BDermis
3. CHypodermis
4. DFascia

What is the functional unit of the kidney?

1. ANephron
2. BNeuron
3. CAlveolus
4. DUreter

Where does fertilization of the ovum by a sperm cell normally occur?

1. AUterus
2. BOvary, as the follicle ruptures
3. CVagina
4. DFallopian (uterine) tube

Which cells differentiate into plasma cells that produce antibodies?

1. AErythrocytes
2. BPlatelets
3. CB lymphocytes
4. DNeutrophils

In the anatomical position, the elbow is ______ to the wrist.

1. Adistal
2. Bproximal
3. Csuperficial
4. Dposterior

Which of the following is an example of negative feedback?

1. AUterine contractions intensifying during labor
2. BPlatelets accumulating and recruiting more platelets during blood clotting
3. CMilk ejection during breastfeeding
4. DSweating to cool the body when body temperature rises

Which plane divides the body into anterior (front) and posterior (back) portions?

1. ASagittal plane
2. BFrontal (coronal) plane
3. CTransverse plane
4. DMidsagittal plane

Which organelle is the main site of ATP production in eukaryotic cells?

1. ARibosome
2. BGolgi apparatus
3. CLysosome
4. DMitochondrion

Which structure is found in eukaryotic cells but not in prokaryotic cells?

1. ARibosomes
2. BDNA
3. CMembrane-bound nucleus
4. DPlasma membrane surrounding the cytoplasm

In a DNA molecule, adenine pairs with which base?

1. AGuanine
2. BCytosine
3. CThymine
4. DUracil

Two parents are both heterozygous (Bb) for a trait, and B is completely dominant over b. What is the probability that a child has the genotype bb?

1. A0%
2. B50%
3. C25%
4. D75%

A heterozygous parent (Bb) is crossed with a homozygous recessive parent (bb). What percentage of offspring are expected to show the recessive phenotype?

1. A0%
2. B50%
3. C25%
4. D100%

What is the process by which an mRNA molecule is made using a DNA template?

1. ATranslation
2. BReplication
3. CTranscription
4. DDiffusion

Which of the following is the monomer (building block) of proteins?

1. ANucleotide
2. BMonosaccharide
3. CAmino acid
4. DFatty acid

Which class of macromolecules is the body's primary source of quick energy?

1. ANucleic acids
2. BLipids
3. CProteins
4. DCarbohydrates

Which subatomic particle carries a negative electrical charge?

1. AProton
2. BNeutron
3. CPositron
4. DElectron

The atomic number of an element is equal to the number of which particles in an atom of that element?

1. ANeutrons
2. BProtons
3. CProtons plus neutrons
4. DValence electrons

Which type of bond forms when two atoms share pairs of electrons?

1. AIonic bond
2. BHydrogen bond
3. CCovalent bond
4. DMetallic bond

A solution has a pH of 3 and another solution has a pH of 6. The pH 3 solution has how many times the hydrogen ion concentration of the pH 6 solution?

1. A3 times
2. B30 times
3. C100 times
4. D1000 times

In a closed system, 10 g of substance A reacts completely with 5 g of substance B to form a single product C. What is the mass of C?

1. A5 g
2. B15 g
3. C10 g
4. D50 g

What is the term for a solid changing directly into a gas without becoming a liquid?

1. ACondensation
2. BDeposition
3. CSublimation
4. DEvaporation

When table salt is dissolved in water, the salt is called the:

1. ASolvent
2. BSolute
3. CPrecipitate
4. DCatalyst

What is the SI base unit of mass?

1. AGram
2. BKilogram
3. CPound
4. DNewton

A container holds 2.5 liters of water. How many milliliters is this?

1. A2500 mL
2. B25 mL
3. C250 mL
4. D25,000 mL

Which of the following is a testable hypothesis?

1. AGreen plants are more beautiful and pleasant to look at than plants with yellow or brown leaves.
2. BIf plants receive more hours of light each day, then they will grow taller.
3. CWhy do plants need light?
4. DPlants grow in many different places.

A student waters four groups of identical bean seeds with 0, 10, 20 or 30 mL of water per day and measures plant height after 14 days. What is the independent variable?

1. AThe amount of water given daily
2. BThe height of the plants
3. CThe type of seed
4. DThe number of days before height is measured

A student tests how water temperature affects how fast sugar dissolves, recording the time needed for the sugar to dissolve completely. What is the dependent variable?

1. AThe temperature of the water in each trial
2. BThe mass of sugar used
3. CThe volume of water used
4. DThe time taken for the sugar to dissolve

In an experiment testing a new plant fertilizer, which describes the control group?

1. APlants given twice as much fertilizer
2. BPlants grown under the same conditions but without the fertilizer
3. CPlants grown in a different type of soil and given the fertilizer as well
4. DPlants that are discarded before measurement

A student studies how the amount of light affects plant growth. Which factor should be kept constant for all plants?

1. AThe amount of light
2. BThe final height of each plant
3. CThe number of leaves at the end
4. DThe amount of water each plant receives

Plants were grown for 3 weeks with different fertilizer amounts. Average height: Group A (no fertilizer) 4 cm; Group B (low fertilizer) 7 cm; Group C (high fertilizer) 11 cm. Which conclusion is best supported by these data?

1. APlant height increased as the amount of fertilizer increased.
2. BFertilizer is harmful to plants.
3. CHigh fertilizer is the best amount for every plant species.
4. DFertilizer has no relationship to plant height.

A cart moves at a constant speed. Distance traveled: after 2 s, 4 m; after 4 s, 8 m; after 6 s, 12 m. What is the speed of the cart?

1. A1 m/s
2. B3 m/s
3. C2 m/s
4. D4 m/s

Five students' resting pulse rates are 70, 72, 75, 78 and 80 beats per minute. What is the mean pulse rate?

1. A72 beats per minute
2. B74 beats per minute
3. C78 beats per minute
4. D75 beats per minute

Which action would most increase confidence in the results of an experiment?

1. ARunning the experiment once with a single sample
2. BIgnoring results that do not match the hypothesis
3. CRepeating the experiment several times with a larger number of samples
4. DChanging several variables at the same time so that more effects can be observed at once

Soil A: 12 of 20 seeds sprouted. Soil B: 18 of 20 seeds sprouted. Other conditions were the same. Which conclusion is best supported?

1. ASoil B will produce more fruit than Soil A.
2. BSoil A contains no nutrients.
3. CSprouting of every plant species depends only on soil type, regardless of water, light or temperature.
4. DIn this experiment, a higher proportion of seeds sprouted in Soil B than in Soil A.

In science, a theory is best described as:

1. AA well-substantiated explanation supported by a large body of evidence
2. BAn unproven guess
3. CThe same thing as a hypothesis
4. DA fact that can never change

When data are plotted on a graph, which variable is conventionally placed on the horizontal (x) axis?

1. AThe dependent variable
2. BThe independent variable
3. CThe control group
4. DThe constant

A student tests whether listening to music affects test scores. One group of 5th graders listens to music and a group of 10th graders takes the test in silence. Which change would best improve the design?

1. AUse students of the same grade level in both groups
2. BGive the music group a harder test
3. CTest only the music group
4. DLet students choose which group to join and which version of the test to take

Which finding would make scientists most confident that a result is reliable?

1. AOther scientists repeat the experiment and obtain similar results
2. BThe result agrees with the researcher's opinion
3. CThe result was published in a newspaper
4. DThe experiment was performed only once, but very carefully, by an experienced researcher

Which of the following statements is an inference rather than an observation?

1. AIt rained during the night.
2. BThe ground is wet.
3. CThe thermometer reads 12 degrees Celsius.
4. DThe grass is 5 cm tall.

A student measures heart rate: at rest 70 beats per minute; after 1 minute of jogging 110; after 3 minutes of jogging 130. Which conclusion is best supported?

1. AHeart rate was higher after jogging than at rest and higher after 3 minutes than after 1 minute.
2. BJogging for 10 minutes will always raise heart rate to 150.
3. CResting heart rate is 70 for every person.
4. DHeart rate is not affected by exercise.

Which word correctly completes the sentence? The collection of antique surgical tools ___ displayed in the lobby.

1. Aare
2. Bis
3. Cwere
4. Dhave been

Which word correctly completes the sentence? The new visiting policy had a positive ___ on patient satisfaction.

1. Aeffect
2. Baffect
3. Caffects
4. Deffected

Which sentence is punctuated correctly?

1. AThe lab closed early, the technicians went home.
2. BThe lab closed early the technicians went home.
3. CThe lab closed early; the technicians went home.
4. DThe lab closed early, and the technicians, went home.

Which sentence uses the possessive pronoun correctly?

1. AThe clinic lost it's license.
2. BThe clinic lost its' license.
3. CThe clinic lost it license.
4. DThe clinic lost its license.

Which choice correctly completes the sentence? The students forgot ___ lab coats, so ___ going back to get them.

1. Athere; they're
2. Btheir; there
3. Ctheir; they're
4. Dthey're; their

Which word correctly completes the sentence? The instructor gave the extra practice sheets to Maria and ___.

1. AI
2. Bme
3. Cmyself
4. Dmine

Which verb form correctly completes the sentence? By the time the ambulance arrived, the nurse ___ the bleeding.

1. Astops
2. Bwill stop
3. Chas stopped
4. Dhad stopped

Which of the following is a complete sentence?

1. ABecause the test results were not ready.
2. BRunning to catch the bus before it left.
3. CThe pharmacist, who had worked there for years.
4. DThe results arrived this morning.

Which sentence is written correctly?

1. ADr. Lee reviewed the chart she ordered more tests.
2. BDr. Lee reviewed the chart, she ordered more tests.
3. CDr. Lee reviewed the chart, and she ordered more tests.
4. DDr. Lee reviewed the chart and, she ordered more tests.

Which sentence is free of a dangling modifier?

1. AWalking into the exam room, the patient's chart was lying open on the nurse's desk.
2. BWalking into the exam room, the nurse saw the patient's chart open on the desk.
3. CHaving finished the exam, the results were posted online.
4. DTo pass the exam, studying is necessary.

Which choice maintains parallel structure? Her hobbies include hiking, painting, and ___.

1. Aswimming
2. Bto swim
3. Cshe swims
4. Dswim

Which sentence uses a colon correctly?

1. AThe kit contains: gloves, masks, and gowns.
2. BThe kit contains three items gloves, masks, and gowns.
3. CThe kit contains three items; gloves, masks, and gowns.
4. DThe kit contains three items: gloves, masks, and gowns.

Which sentence is most appropriate for a formal letter to a patient?

1. AWe are pleased to inform you that your test results are normal.
2. BHey, your test stuff came back fine.
3. CYour results are, like, totally normal.
4. DGood news, dude: you're all clear.

Which revision of the sentence is the most concise without changing its meaning? 'Due to the fact that the clinic was closed, we rescheduled.'

1. ABecause the clinic was closed, we rescheduled.
2. BOn account of the fact that the clinic was closed, we rescheduled.
3. CIn light of the fact that the clinic was closed, we did the rescheduling.
4. DOwing to the fact of the clinic being closed, we rescheduled.

The sentences below are numbered but out of order. (1) Finally, rinse thoroughly and dry with a clean towel. (2) Hand washing begins with wetting the hands with clean water. (3) Next, apply soap and scrub for at least twenty seconds. (4) Proper hand washing is the most effective way to stop the spread of germs. Which order creates the most logical paragraph?

1. A2, 4, 3, 1
2. B4, 2, 3, 1
3. C4, 3, 2, 1
4. D2, 3, 1, 4

What is the main purpose of the following sentence at the start of an essay? 'Imagine waking up every morning without a single worry.'

1. ATo present statistical evidence
2. BTo define a technical term
3. CTo engage the reader with a vivid scenario
4. DTo summarize the essay's conclusion

Which transition best completes the sentence? The patient followed the diet closely; ___, her blood pressure dropped within a month.

1. Ahowever
2. Bnevertheless
3. Cas a result
4. Din contrast

Which transition best completes the sentence? The medication is effective; ___, it can cause drowsiness.

1. Atherefore
2. Bhowever
3. Cfor example
4. Dsimilarly

Which word best completes the sentence? The nurse's ___ explanation helped the frightened child understand the procedure.

1. Aconvoluted
2. Bvague
3. Cobscure
4. Dlucid

Which sentence contains unnecessary repetition?

1. AThe study's outcome surprised researchers.
2. BThe results of the study surprised researchers.
3. CThe researchers were surprised by the end result at the conclusion of the study.
4. DThe study surprised researchers.

A nurse is writing home-care instructions for patients with no medical training. Which sentence is the best choice?

1. ATake one pill by mouth in the morning and one at night.
2. BAdminister the medication per os twice daily.
3. CIngest the pharmacological agent bid.
4. DSelf-administer the oral tablets b.i.d. per protocol.

Read the paragraph. Regular exercise strengthens the heart and improves circulation. It also helps control weight and lowers the risk of type 2 diabetes. Studies show that even moderate activity, such as walking, provides these benefits. Which sentence would be the best concluding sentence?

1. AHeart disease remains a leading cause of death worldwide.
2. BSome people prefer to swim rather than walk.
3. CGyms often charge monthly membership fees.
4. DIn short, regular physical activity supports overall health.

Read the paragraph. (1) Vaccines train the immune system to recognize a pathogen. (2) After vaccination, the body produces antibodies that can fight future infection. (3) My neighbor adopted a puppy last spring. (4) This preparation allows the body to respond quickly if exposed. Which sentence should be deleted to improve the focus of the paragraph?

1. ASentence 1
2. BSentence 2
3. CSentence 3
4. DSentence 4

Which sentence is written in the most formal, objective style suitable for a scientific report?

1. AThe drug reduced symptoms in most participants.
2. BI really think this drug is awesome.
3. CYou won't believe how well it works.
4. DIt's pretty much a miracle cure.

Read the sentence. 'The surgeon's meticulous approach, checking every suture twice, reassured the family.' What does 'meticulous' most nearly mean?

1. Acareless
2. Bextremely careful
3. Cvery fast
4. Dfamous among other surgeons

The prefix 'hypo-' in the word 'hypothermia' means

1. Aabove normal
2. Brapid
3. Cwithout
4. Dbelow normal

The suffix '-itis' in the word 'tonsillitis' means

1. Ainflammation
2. Bremoval
3. Cstudy of
4. Dpain

The word root 'cardi' in 'cardiology' refers to the

1. Abrain
2. Blung
3. Cheart
4. Dkidney

Which word means the opposite of 'scarce'?

1. Arare
2. Bplentiful
3. Ccostly
4. Dhidden

Which word is closest in meaning to 'ameliorate'?

1. Aimprove
2. Bworsen
3. Cignore
4. Dmeasure

Read the sentence. 'The patient could not bear the pain.' What does 'bear' mean here?

1. Ato carry
2. Bto give birth to
3. Cto endure
4. Dto resemble

Read the sentence. 'The lab technician grew a culture from the throat sample.' What does 'culture' mean here?

1. Athe customs of a society
2. Ba growth of microorganisms in a controlled medium
3. Ca style of art
4. Dthe shared beliefs and habits of a workplace or group

Read the sentence. 'Because the symptoms were transient, they disappeared within an hour.' What does 'transient' most nearly mean?

1. Apermanent
2. Bsevere
3. Ccoming back again and again
4. Dlasting a short time

A chronic condition is one that

1. Alasts a long time or keeps recurring
2. Bappears suddenly and ends quickly
3. Cis spread only by contact
4. Doccurs only in children

The nurse placed the bandage on the anterior surface of the patient's knee, where the kneecap is. In this sentence, 'anterior' means toward the

1. Aback
2. Bfront
3. Cside
4. Dbottom

Read the sentence. 'The doctor explained that the prognosis was favorable.' What does 'prognosis' mean?

1. Athe cause of a disease
2. Bthe cost of treatment
3. Cthe expected outcome of a condition
4. Dthe laboratory test used to identify the disease

The suffix '-ectomy' in the word 'appendectomy' means

1. Avisual examination
2. Binflammation
3. Cstitching
4. Dsurgical removal