what is the main idea of the passage about the sleep workout

HESI A2

Reading Comprehension Practice Test HESI A2

1. What is the main idea of the passage about The Sleep Workout?

A. Insufficient sleep can lead to obesity.
B. Insufficient sleep inhibits the natural release of human growth hormone in the human body.
C. Getting the proper amount of uninterrupted sleep plays a major role in the development of muscle.
D. Developing muscle growth is an effective way to stay healthy as we get older.

Correct answer: C

Rationale: The main idea of the passage is that getting the proper amount of uninterrupted sleep plays a major role in the development of muscle. The passage emphasizes how muscle growth occurs during rest periods following a workout, with sleep being a critical time for muscle fiber rebuilding. The connection between sleep, human growth hormone (HGH) release, and muscle development is highlighted. Choice A is incorrect because while the passage mentions the link between inadequate sleep and obesity due to altered appetite hormones, the main focus is on muscle development. Choice B is incorrect because although the passage discusses HGH release during deep sleep, the primary emphasis is on the role of uninterrupted sleep in muscle development. Choice D is incorrect because while the passage acknowledges that developing muscle growth is essential for health as we age, the key point is the significance of uninterrupted sleep in the muscle development process.

2. A reader might infer from this passage that the organization ___________.

A. succeeded in eradicating malaria
B. has always been led by a medical doctor
C. no longer studies communicable diseases
D. changed its name to match its mission

Correct answer: D

Rationale: The passage never says whether or not the CDC succeeded in its original mission (choice A) or whether it continued to be led by doctors (choice B). Inferring either of those things would be a leap unsupported by the text. Choice C is countered by information in the final

3. What is the meaning of the word onset as used in the first paragraph?

A. Cure rate
B. Incubation period
C. Remainder
D. Commencement

Correct answer: D

Rationale: In this context, "onset" refers to the beginning or commencement of dementia symptoms. The term is used to indicate when the disease first becomes noticeable in patients, making option D the correct choice.

4. What fact is stated about the Amazon Rainforest in the passage?

A. The Amazon Rainforest is shrinking rapidly.
B. The Amazon Rainforest is home to diverse species.
C. The Amazon Rainforest is unaffected by human activity.
D. The Amazon Rainforest contains few animals.

Correct answer: B

Rationale: The correct answer is B. The passage highlights the incredible biodiversity of the Amazon Rainforest, emphasizing its diverse species of plants and animals. The passage describes the rainforest as home to over 2,000 birds and mammals, with one in every five birds in the world living there. It also mentions the vast variety of insects, trees, and plants present in the rainforest, showcasing its rich ecosystem. Choice A is incorrect as the passage does not directly state that the Amazon Rainforest is shrinking rapidly, although it does mention the dangers it faces. Choice C is incorrect as the passage clearly indicates that human activity, such as deforestation, poses a significant threat to the rainforest. Choice D is incorrect as the passage provides evidence of a high number of animals inhabiting the Amazon Rainforest.

5. What is the meaning of the word 'ideal' as it is used in the first paragraph?

A. thoughtful
B. confined
C. hostile
D. perfect

Correct answer: D

Rationale: In this context, 'ideal' means perfect. The human body provides a perfect environment for many microbes, as stated in the extract. It is the immune system's role to keep these microbes out or destroy them. The other choices are incorrect: 'thoughtful' does not fit the context of the sentence, 'confined' and 'hostile' are not synonymous with 'ideal' in this context.