ATI TEAS 7
ATI TEAS 7 science review
1. Which statement accurately defines power?
- A. Power is the amount of energy stored in an object
- B. Power is the rate at which energy is transferred or work is done
- C. Power is the maximum force exerted by an object
- D. Power is the resistance of an object to change in motion
Correct answer: B
Rationale: Power is defined as the rate at which energy is transferred or work is done. It is a measure of how quickly work is done or energy is transferred. Option A incorrectly refers to the amount of energy stored in an object, not power. Option C incorrectly refers to the maximum force exerted by an object, not power. Option D incorrectly refers to the resistance of an object to change in motion, not power. Therefore, the correct definition of power is that it is the rate at which energy is transferred or work is done.
2. During micturition, the process involves a combination of:
- A. Gravity alone
- B. Voluntary muscle contractions only
- C. Involuntary muscle contractions only
- D. Both voluntary and involuntary muscle contractions
Correct answer: D
Rationale: During micturition, which is the process of urination, both voluntary and involuntary muscle contractions are involved. Voluntary muscle contractions include the relaxation of the external urethral sphincter, allowing the release of urine, while involuntary muscle contractions involve the detrusor muscle in the bladder contracting to expel urine. Choices A, B, and C are incorrect because micturition is not solely dependent on gravity, voluntary muscle contractions, or involuntary muscle contractions alone. The correct answer is D as both types of muscle contractions are necessary for the complete process of urination.
3. Which of the following sentences uses proper capitalization?
- A. Last summer, my family went on a trip to Niagara Falls in New York.
- B. Last summer, my family went on a trip to Niagara Falls in New York.
- C. Last summer, my family went on a trip to Niagara Falls in New York.
- D. Last summer, my family went on a trip to Niagara Falls in New York.
Correct answer: C
Rationale: The correct sentence uses lowercase 'summer' and capitalizes 'Niagara Falls.' Choice A incorrectly capitalizes 'Summer,' while Choice B incorrectly capitalizes 'niagara falls' and should have 'New York' capitalized. Choice D incorrectly capitalizes 'Summer' and 'new york.'
4. Where does gas exchange occur in the human body?
- A. Alveoli
- B. Bronchi
- C. Larynx
- D. Pharynx
Correct answer: A
Rationale: The correct answer is A: Alveoli. Gas exchange occurs in the alveoli, which are tiny air sacs in the lungs. Oxygen from the air we breathe diffuses into the blood vessels surrounding the alveoli, while carbon dioxide from the blood diffuses into the alveoli to be exhaled. The bronchi, larynx, and pharynx are all part of the respiratory system but are not directly involved in gas exchange. The bronchi are airways that lead to the lungs, the larynx is the voice box, and the pharynx is the throat. These structures are important for breathing and vocalization but do not participate in the exchange of gases between the respiratory system and the circulatory system.
5. Which of the following uses introductory punctuation correctly?
- A. Since we only have ten minutes, there isn't time for coffee.
- B. Since we only have ten minutes; there isn't time for coffee.
- C. Since we only have ten minutes, there isn't time for coffee.
- D. Since we only have ten minutes: there isn't time for coffee.
Correct answer: C
Rationale: Option C is the correct answer as it uses introductory punctuation correctly by placing a comma after the introductory clause 'Since we only have ten minutes.' Commas are used to separate introductory phrases or clauses from the main clause in a sentence. Option A is incorrect as it lacks the necessary comma after the introductory phrase. Option B uses a semicolon, which is not typically used in this context. Option D uses a colon, which is not appropriate for introducing the following clause in this sentence structure.
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