insomnia affects intellectual abilities because it
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HESI A2

HESI A2 Reading Comprehension Practice Test

1. How does insomnia affect intellectual abilities?

Correct answer: A

Rationale: Insomnia affects intellectual abilities by causing a deficit in memory, concentration, and attention. The passage highlights that lack of sleep impacts memory, attention, and concentration, leading to feelings of irritation or depression. Therefore, choice A is correct. Choices B, C, and D are incorrect because they do not align with the negative impact insomnia has on intellectual abilities as described in the passage.

2. What is the meaning of the word 'composed' in the first paragraph?

Correct answer: A

Rationale: In the context provided, 'composed' means to consist of. The paragraph explains that a drop of water is composed of an oxygen atom and two hydrogen atoms. Therefore, the correct answer is A. Choice B, 'To be uniquely discovered,' is incorrect as it does not relate to the composition of a drop of water. Choice C, 'To be set apart,' and Choice D, 'To be surprised,' are also incorrect as they do not convey the meaning of 'composed' as it is used in this paragraph.

3. A vegetarian diet is said to lower all of the following EXCEPT ___________.

Correct answer: A

Rationale: The passage suggests that a vegetarian diet can provide sufficient protein and lower body fat, heart disease risk, and cholesterol, but it does not suggest that it lowers the need for protein.

4. Which of the following is not listed as a detail in the passage about Aromatherapy?

Correct answer: C

Rationale: The passage does not support the idea that vanilla worked better than lemon for stress relief; instead, it focuses specifically on lemon and lavender as the tested scents. The absence of this information regarding vanilla makes C the correct answer, as it is not included in the details provided in the passage.

5. What is the meaning of the word 'enlist' as it is used in the second paragraph?

Correct answer: A

Rationale: In the context of the immune system, 'enlist' means to call into service. Immune cells recruit other cells to fight infection by producing chemicals that regulate their growth, behavior, and direct new recruits to trouble spots. This process is essential for the immune system's defense mechanism. The other choices are incorrect: 'write down' and 'put across' do not capture the action of mobilizing immune cells, and 'send away' is opposite in meaning to what is happening in the immune response.

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