HESI A2
HESI A2 Reading Comprehension
1. The main idea of the passage is ___________.
- A. The CDC keeps an eye out for new potentially threatening health issues
- B. Children require several more hours of sleep per night than adults do
- C. More people are staying up at night to surf the Internet or watch television
- D. Lack of adequate sleep is becoming a major national health problem
Correct answer: D
Rationale: The main idea of the passage is that lack of adequate sleep is becoming a major national health problem.
2. Which statement could be inferred from the passage?
- A. The Georgia lab had conducted a previous study on the connection between exercise and energy.
- B. Exercise regimes are not recommended for patients with serious health problems.
- C. An increase in energy levels does not always correspond directly to a reduction in fatigue.
- D. There were fewer than 10 participants in each group in the Georgia study.
Correct answer: A
Rationale: The correct answer is A. The passage mentions a previous study by the same team on the connection between exercise and energy, indicating that the lab had conducted such research before. Choice B is incorrect because the passage actually states that low-impact exercise can help reduce fatigue in patients with serious health conditions. Choice C is incorrect as the passage indicates that an increase in energy levels does correspond to a reduction in fatigue. Choice D is incorrect as the passage does not provide information on the exact number of participants in each group.
3. What is the meaning of the word 'technical' as it is used in the fourth paragraph?
- A. requiring expert knowledge
- B. incomplete
- C. foreign
- D. plagiarized
Correct answer: A
Rationale: The correct answer is 'A: requiring expert knowledge.' In the context provided, 'technical' refers to articles that demand expert knowledge to understand. The passage mentions that articles published in medical journals can be technical, meaning they are complex and require specialized expertise to comprehend. Choice B, 'incomplete,' is incorrect as 'technical' does not imply incompleteness. Choices C and D, 'foreign' and 'plagiarized,' are also incorrect as they do not align with the context of the passage.
4. What is the author’s primary purpose in writing the essay about Concussions?
- A. To inform.
- B. To persuade.
- C. To entertain.
- D. To analyze.
Correct answer: D
Rationale: The primary purpose of the essay is to inform the reader about concussions, their effects, and recovery. While analysis may be involved in the presentation, the overarching goal is to provide information, making A the most accurate answer.
5. Which sound waves have a higher pitch?
- A. Those waves that are closer together
- B. Those waves that are farther apart
- C. Those waves that travel a long distance
- D. Those waves that travel a short distance
Correct answer: A
Rationale: Sound waves that are closer together have a higher pitch. This is explained by the Doppler Effect, where as a source of sound moves closer to an observer, the waves are compressed, resulting in a higher frequency and a higher pitch. Conversely, when the source moves away, the waves are stretched, leading to a lower frequency and a lower pitch. Therefore, choice A is correct. Choices B, C, and D are incorrect as they do not accurately describe the relationship between sound wave frequency and pitch.
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