HESI A2
HESI A2 Practice Test Anatomy and Physiology
1. During a wellness workshop, a healthcare provider is collecting comprehensive health histories from attendees. One of the written questions on the history form states, 'You don't smoke, drink, or take drugs, do you?' This question is an example of:
- A. talking too much.
- B. using confrontation.
- C. using biased or leading questions.
- D. using blunt language to address sensitive topics.
Correct answer: C
Rationale: The question provided is an example of using biased or leading questions. It suggests that one answer is more socially acceptable or preferable than another, potentially pressuring the individual to respond in a specific way. This can result in inaccurate information being provided and may also evoke feelings of guilt or judgment, influencing the person's responses. Choices A, B, and D are incorrect as they do not accurately describe the nature of the question. The question does not involve talking too much, confrontation, or blunt language; instead, it leads the respondent towards a specific answer.
2. Select the correct word for the blank in the following sentence: The intern and ___________ are folding the bandages.
- A. us
- B. he
- C. them
- D. her
Correct answer: C
Rationale: In this sentence, the correct word to use is 'them.' The subject of the sentence is 'the intern and another person,' indicating more than one individual. Therefore, the pronoun 'them' is the appropriate choice to refer to multiple people engaged in folding the bandages. Choice A ('us') is incorrect as it refers to the speaker and the intern, not the intern and another person. Choice B ('he') is singular and does not match the plural subject of the sentence. Choice D ('her') is also singular and does not agree with the plural subject 'the intern and another person.'
3. What is stated in the passage about Sleep Apnea?
- A. Sleep apnea causes chronic illness.
- B. Sleep apnea affects intellectual abilities.
- C. Sleep apnea leads to early death.
- D. Sleep apnea causes breathing interruptions.
Correct answer: D
Rationale: The correct answer is 'D: Sleep apnea causes breathing interruptions.' The passage explicitly mentions sleep apnea as a condition where an individual stops breathing during sleep, indicating breathing interruptions. Choice A is incorrect because the passage does not directly state that sleep apnea causes chronic illness. Choice B is incorrect because the passage discusses how lack of sleep affects intellectual abilities but does not specifically attribute this to sleep apnea. Choice C is incorrect as the passage does not mention sleep apnea leading to early death. Therefore, the most accurate statement about sleep apnea based on the passage is that it causes breathing interruptions.
4. Which phrase best completes the sentence: 'Despite _____, he managed to complete the race.'
- A. his injury
- B. his condition
- C. his pain
- D. his fatigue
Correct answer: A
Rationale: The correct answer is 'A: his injury.' In the context of completing a race, an injury would be a significant obstacle to overcome. While choices B, C, and D could also pose challenges, an injury is the most severe hindrance that would make completing a race particularly difficult. His condition, pain, or fatigue may affect performance, but they are not as directly impactful as an injury in this scenario.
5. The molar mass of some gases is as follows: carbon monoxide—28.01 g/mol; helium—4.00 g/mol; nitrogen—28.01 g/mol; and oxygen—32.00 g/mol. Which would you expect to diffuse most rapidly?
- A. Carbon monoxide
- B. Helium
- C. Nitrogen
- D. Oxygen
Correct answer: B
Rationale: The rate of diffusion is inversely proportional to the molar mass of the gas. Helium has the lowest molar mass among the given gases, making it the lightest and fastest gas to diffuse. Therefore, helium would be expected to diffuse most rapidly compared to carbon monoxide, nitrogen, and oxygen. Carbon monoxide, nitrogen, and oxygen have higher molar masses than helium, so they would diffuse more slowly. Therefore, the correct answer is helium.
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