ATI TEAS 7
ATI TEAS Science Test
1. What is surgically altered during a vasectomy?
- A. Vas deferens
- B. Glans penis
- C. Prostate
- D. Urethra
Correct answer: A
Rationale: During a vasectomy, the vas deferens is surgically altered or cut to prevent the transport of sperm from the testicles to the urethra. This procedure is a form of permanent male sterilization. The glans penis, prostate, and urethra are not surgically altered during a vasectomy. Therefore, the correct answer is the vas deferens (Choice A), as it is the structure specifically targeted and modified in this procedure. The glans penis (Choice B) is the sensitive tip of the penis, the prostate (Choice C) is a gland vital for semen production but not involved in a vasectomy, and the urethra (Choice D) is the tube that carries urine and semen but is not surgically altered in a vasectomy.
2. When a certain plant is introduced into an area, and the population of a certain insect species declines, what can be concluded from this?
- A. The plant is toxic to the insect in question.
- B. The plant competes with and drives out plants that the insect feeds on.
- C. The insect population was declining anyway; the fact that it happened when the plant was introduced is a coincidence.
- D. All of these explanations may be possible; further investigation is necessary to determine which is true.
Correct answer: D
Rationale: The given scenario presents multiple possible explanations for the decline in the insect population with the introduction of a particular plant. It could be due to the plant being toxic to the insect (Option A), competing with and driving out plants that the insect feeds on (Option B), or the decline could be coincidental with the plant introduction as the insect population was already decreasing (Option C). Without further investigation and evidence, it is not possible to definitively determine which explanation is correct. Therefore, all of these possibilities may be true, and thorough investigation is necessary to reach a conclusive conclusion.
3. What does the prefix 'centi' mean?
- A. 0.1
- B. 0.01
- C. 0.001
- D. 1
Correct answer: B
Rationale: The prefix 'centi' means 0.01, which is one-hundredth of the base unit. For example, 1 centimeter is equal to 0.01 meters. Choice A (0.1) is incorrect as it represents 'deci,' which means one-tenth. Choice C (0.001) is incorrect as it represents 'milli,' which means one-thousandth. Choice D (1) is incorrect as it is not a valid interpretation of the prefix 'centi.' Therefore, the correct answer is B.
4. Which of the following defines the word 'omnipotent'?
- A. Well-worn
- B. Overreaching
- C. All-powerful
- D. Angry
Correct answer: C
Rationale: The correct answer is C: 'All-powerful'. 'Omnipotent' means having unlimited power or authority. Choice A, 'Well-worn', does not relate to the definition of omnipotent. Choice B, 'Overreaching', implies extending beyond proper limits but does not capture the essence of unlimited power. Choice D, 'Angry', does not align with the meaning of omnipotent.
5. Every morning we would wake up, eat breakfast, and break camp. Which of the following is the correct revision for the sentence?
- A. NO CHANGE
- B. we would wake up, eat breakfast, and break camp.
- C. would we wake up, eat breakfast, and break camp?
- D. we are waking up, eating breakfast, and breaking camp.
Correct answer: B
Rationale: The correct answer is B: 'we would wake up, eat breakfast, and break camp.' The original sentence is a list of actions in the past, so the verb 'break' should also be in the past tense to maintain consistency. Choice A is incorrect because 'broke' is incorrect in this context. Choice C is a question format and does not fit the original sentence structure. Choice D changes the tense to present progressive, which does not match the past tense context of the sentence.
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