HESI A2
Reading Comprehension Practice Test HESI A2
1. What is the meaning of the word exposed as used in the first paragraph about Toxins and Your Health?
- A. Uncovered.
- B. Subjected.
- C. Visible.
- D. Divulged.
Correct answer: B
Rationale: In the context of the passage, "exposed" means to be subjected to harmful elements. It suggests vulnerability to these toxins, which can lead to serious health issues later in life. The other options do not accurately capture the implications of "exposed" in relation to toxic substances, making B the correct choice.
2. What does the author suggest about the Earth's tilt in the passage on Daylight Savings Time?
- A. The Earth's tilt has no effect on the seasons.
- B. The Earth's tilt affects the amount of sunlight different areas receive.
- C. The Earth's tilt is constant throughout the year.
- D. The Earth's tilt changes dramatically during the seasons.
Correct answer: B
Rationale: The author suggests that the Earth's tilt affects the amount of sunlight different areas receive, influencing the seasons. The passage explains how the tilt of the Earth towards the sun results in different regions receiving varying amounts of sunlight, leading to the existence of seasons. This tilt causes regions near the equator to receive more sunlight consistently, while the Poles experience periods of constant darkness or sunlight, creating different seasons. Choices A, C, and D are incorrect because the passage clearly states that the Earth's tilt influences sunlight distribution and subsequently impacts the seasons.
3. What are the three steps of the 'wave of excitation'?
- A. The discharge from the SA node, the peak ECG, and the excitement of the ventricle.
- B. The excitement of the ventricle, the relaxing of the ventricle, and the systemic neural response.
- C. The contraction of the atrium, the relaxation of the atrium, and the contraction of the ventricle.
- D. The excitation of the atrium, the excitement of the ventricle, and the relaxing of the ventricle.
Correct answer: D
Rationale: The correct steps of the 'wave of excitation' are the excitation of the atrium, excitement of the ventricle, and relaxation of the ventricle. In the described process, the 'wave of excitation' starts with the discharge from the SA node, leading to the excitation of the atrium. Next, the peak ECG corresponds to the excitement of the ventricle, not its relaxation. Finally, the wave concludes with the relaxation of the ventricle, not its contraction. Therefore, choices A, B, and C are incorrect as they do not accurately describe the sequential steps of the 'wave of excitation' as presented in the extract.
4. What does the word 'integral' mean as used in the first paragraph of the passage?
- A. Central
- B. Initial
- C. Trifling
- D. Irrelevant
Correct answer: A
Rationale: In this context, 'integral' means 'central' or essential. The passage discusses the debate around spanking as a method of discipline. Some parents consider it an integral part of teaching right and wrong, highlighting its central importance. Therefore, the correct answer is 'A: Central.' Choice B, 'Initial,' is incorrect as the word 'integral' does not refer to something being at the beginning of a process or sequence. Choice C, 'Trifling,' is incorrect as 'integral' implies significance and importance, opposite to being trivial. Choice D, 'Irrelevant,' is incorrect as the passage clearly states that some parents view spanking as essential, making it relevant and not irrelevant.
5. What is implied about the rainforest's role in global climate?
- A. The rainforest has little impact on the climate.
- B. The rainforest plays a crucial role in regulating the climate.
- C. The rainforest is mainly important for biodiversity.
- D. The rainforest's destruction has no global consequences.
Correct answer: B
Rationale: The rainforest plays a crucial role in regulating the global climate by absorbing carbon dioxide. The extract highlights the fact that trees take in carbon dioxide and give off oxygen. When trees are cut down, the amount of carbon dioxide increases, contributing to global warming. This emphasizes the significant impact of rainforests on the climate. Choice A is incorrect as the extract clearly states the importance of rainforests in absorbing carbon dioxide. Choice C, while true, is not directly related to the implied role of rainforests in regulating the climate. Choice D is also incorrect as the destruction of rainforests does have global consequences, such as contributing to global warming.
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