HESI A2
HESI A2 Reading Comprehension V1 2024
1. 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.
2. Which of the following is not listed as a detail in the passage about A Short History of the CDC?
- A. Where the organization began.
- B. Who first ran the organization.
- C. When the organization changed its name.
- D. What divisions make up the current CDC.
Correct answer: D
Rationale: The passage does not provide specific details about the divisions that currently make up the CDC. Instead, it focuses on the organization's historical context, original goals, and overall mission. Thus, D is correct as it identifies information not covered in the passage.
3. Sleeping apparently helps with everything EXCEPT ___________.
- A. Fatigue
- B. Memory
- C. Learning
- D. Appetite
Correct answer: D
Rationale: Based on the provided extract, sleeping helps with fatigue, memory, and learning. The passage mentions how a nap can refresh the brain, improve the ability to learn and remember, and enhance memory. However, the extract does not mention anything about sleeping helping with appetite. Therefore, the correct answer is D. Choices A, B, and C are supported by the content of the passage, emphasizing the positive effects of sleep on fatigue, memory, and learning.
4. What is implied by the article?
- A. Siam was renamed Thailand in the past
- B. The author dislikes parlor games
- C. Elephants are difficult to take care of and train
- D. White elephants were considered sacred and a burden to their recipients
Correct answer: A
Rationale: The correct answer is A. The article explicitly states that centuries ago, Siam, now known as Thailand, had the custom of giving white elephants as punishment. This implies that Siam was renamed Thailand in the past. The other choices (B, C, D) are not supported by the content of the article. Choice B is incorrect as the author does not express any dislike for parlor games. Choice C is incorrect as the article does not mention that elephants are easy or difficult to take care of and train. Choice D is incorrect as the article describes white elephants as sacred and a burden to their recipients, not as hard workers in the cane fields.
5. What role does water vapor play in the Water Cycle, as described in the passage?
- A. Water vapor is unnecessary in the water cycle.
- B. Water vapor plays a key role in precipitation.
- C. Water vapor is harmful to the environment.
- D. Water vapor cools the Earth's surface.
Correct answer: B
Rationale: The correct answer is B: 'Water vapor plays a key role in precipitation.' The passage clearly outlines the importance of water vapor in the water cycle. It explains that water vapor returns to the air from surface water and plants, and condenses back into droplets of liquid, forming clouds. These clouds eventually lead to precipitation like rain, snow, sleet, or hail. Choice A is incorrect as water vapor is crucial in the water cycle. Choice C is also incorrect as there is no mention of water vapor being harmful in the passage. Choice D is incorrect as the passage does not state that water vapor cools the Earth's surface; instead, it highlights its role in the formation of precipitation.
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