TEAS Practice Test: Video 2 Answers (25 Questions) — Questions and Answers

Question 1: What term describes all the living and nonliving things interacting in a given area?

Population
Biome
Ecosystem (Correct answer)
Community

Correct answer: Ecosystem

An ecosystem includes all living organisms and nonliving factors in an area.

Question 2: Which term describes the movement of water across a semipermeable membrane from high to low water concentration?

Endocytosis
Osmosis (Correct answer)
Diffusion
Active transport

Correct answer: Osmosis

Osmosis is the passive movement of water across a semipermeable membrane from a region of high water concentration (low solute) to low water concentration (high solute).

Question 3: What is the role of decomposers in an ecosystem?

Producing energy from sunlight
Converting atmospheric nitrogen to usable forms
Transferring energy from plants to herbivores
Breaking down dead organic matter and recycling nutrients (Correct answer)

Correct answer: Breaking down dead organic matter and recycling nutrients

Decomposers (fungi and bacteria) break down dead organisms and waste, releasing nutrients back into the environment for uptake by producers.

Question 4: Which of the following best describes an enzyme's role in a chemical reaction?

It changes the reaction's products
It raises activation energy
It is consumed by the reaction
It lowers activation energy (Correct answer)

Correct answer: It lowers activation energy

Enzymes are catalysts that lower the activation energy needed for a reaction.

Question 5: What gas do humans exhale as a waste product of cellular respiration?

Hydrogen
Oxygen
Nitrogen
Carbon dioxide (Correct answer)

Correct answer: Carbon dioxide

Cellular respiration releases carbon dioxide as a metabolic waste product.

Question 6: Which type of joint allows the greatest range of motion?

Gliding joint
Pivot joint
Ball-and-socket joint (Correct answer)
Hinge joint

Correct answer: Ball-and-socket joint

Ball-and-socket joints (like the hip and shoulder) allow movement in all planes including rotation, providing the greatest range of motion.

Question 7: Which blood vessels carry blood AWAY from the heart?

Capillaries
Veins
Venules
Arteries (Correct answer)

Correct answer: Arteries

Arteries carry blood away from the heart (regardless of whether the blood is oxygenated or deoxygenated).

Question 8: What is the largest organ of the human body?

Liver
Skin (Correct answer)
Brain
Lungs

Correct answer: Skin

The skin is the body's largest organ and serves as a protective barrier and temperature regulator.

Question 9: Which part of the digestive tract reabsorbs water and forms feces?

Stomach
Large intestine (Correct answer)
Duodenum
Small intestine

Correct answer: Large intestine

The large intestine absorbs water and electrolytes, compacting waste into feces.

Question 10: What is the primary function of red blood cells?

Produce antibodies
Form blood clots
Transport oxygen (Correct answer)
Fight infection

Correct answer: Transport oxygen

Red blood cells contain hemoglobin, which binds and carries oxygen throughout the body.

Question 11: A writer argues a product is the best on the market, citing only reviews posted on the seller's own website. The main weakness in this reasoning is:

The evidence comes from a biased source (Correct answer)
The product is too expensive
The sample size is too large
The reviews are too detailed

Correct answer: The evidence comes from a biased source

Reviews on the seller's own site are a biased source and cannot objectively prove the product is best.

Question 12: Which question would best help a reader critically evaluate an author's argument?

How long is the passage?
What font is used?
When was the author born?
What evidence supports the author's claims? (Correct answer)

Correct answer: What evidence supports the author's claims?

Asking what evidence supports the claims directly tests the strength of the argument.

Question 13: A character "checked the locks twice, then a third time, before finally sitting down." What is the most reasonable inference?

The character is forgetful
The character feels anxious or unsafe (Correct answer)
The character is tired
The character dislikes the house

Correct answer: The character feels anxious or unsafe

Repeatedly checking the locks implies anxiety or a feeling of being unsafe.

Question 14: A narrator describes a festival but mentions only the litter, the noise, and the crowds. This selective detail suggests the narrator:

Did not attend the festival
Is reporting objectively
Has a negative view of the festival (Correct answer)
Loves the festival

Correct answer: Has a negative view of the festival

Choosing only unpleasant details reveals the narrator's negative view of the festival.

Question 15: A patient information pamphlet states: 'Ask your doctor before taking any supplements.' This type of statement is best described as a:

Scientific fact about supplements
Warning label with regulatory force
Legal disclaimer protecting the manufacturer
Recommendation or advisory statement (Correct answer)

Correct answer: Recommendation or advisory statement

The statement uses advisory language ('ask your doctor') without mandatory force — it's a recommendation encouraging a specific action, not a legal mandate or scientific claim.

Question 16: Which of the following correctly factors x² - 9?

(x + 3)²
(x - 3)²
(x - 9)(x + 1)
(x + 3)(x - 3) (Correct answer)

Correct answer: (x + 3)(x - 3)

x² - 9 is a difference of two squares: a² - b² = (a + b)(a - b). Here a = x and b = 3, giving (x + 3)(x - 3).

Question 17: Solve for x: 3x - 7 = 14.

9
3
21
7 (Correct answer)

Correct answer: 7

Add 7 to both sides to get 3x = 21, then divide by 3 to get x = 7.

Question 18: Which of the following represents the equation of a line with slope 3 and y-intercept -4?

y = -3x - 4
y = 3x + 4
y = 3x - 4 (Correct answer)
y = -4x + 3

Correct answer: y = 3x - 4

Slope-intercept form is y = mx + b where m = slope and b = y-intercept. With m = 3 and b = -4: y = 3x - 4.

Question 19: The equation y = -2x + 6 has which slope and y-intercept?

Slope = 6, y-intercept = -2
Slope = 2, y-intercept = 6
Slope = -2, y-intercept = 6 (Correct answer)
Slope = -2, y-intercept = -6

Correct answer: Slope = -2, y-intercept = 6

In slope-intercept form y = mx + b, the slope is m = -2 and the y-intercept is b = 6.

Question 20: Which of the following values makes the inequality 2x + 3 > 11 true?

x = 5 (Correct answer)
x = 4
x = 3
x = 2

Correct answer: x = 5

Solving 2x + 3 > 11: 2x > 8, so x > 4. Only x = 5 satisfies x > 4.

Question 21: Which sentence uses 'its' correctly?

The dog wagged it's tail.
Its raining outside.
The company lost its license. (Correct answer)
Its a good day.

Correct answer: The company lost its license.

'Its' is the possessive form showing the license belongs to the company.

Question 22: Which word in the following sentence is a conjunctive adverb? 'The medication was effective; however, it caused significant side effects.'

effective
significant
however (Correct answer)
caused

Correct answer: however

'However' is a conjunctive adverb that connects two independent clauses and indicates a contrast.

Question 23: Which sentence contains a dangling modifier?

The quickly running nurse reached the patient's room.
Running quickly, the nurse reached the patient's room.
Running quickly, the patient was reached by the nurse. (Correct answer)
The nurse, running quickly, reached the patient's room.

Correct answer: Running quickly, the patient was reached by the nurse.

In option B, 'Running quickly' appears to modify 'the patient' (the noun that follows), but logically the nurse was running. The modifier dangles because the intended subject (nurse) is not the subject of the main clause.

Question 24: Which of the following correctly uses a colon?

She studied: day and night.
She: studied day and night.
She needed three supplies: gauze, tape, and gloves. (Correct answer)
She studied hard: and passed.

Correct answer: She needed three supplies: gauze, tape, and gloves.

A colon after 'supplies' correctly introduces a list. The clause before the colon is complete and independent.

Question 25: Which sentence uses the correct verb tense for a completed past action affecting now?

I have finished my report. (Correct answer)
I finish my report.
I will finish my report.
I finishing my report.

Correct answer: I have finished my report.

Present perfect 'have finished' links a past action to the present.

TEAS Practice Test: Video 2 Answers (25 Questions)

What term describes all the living and nonliving things interacting in a given area?

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These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

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