what is the authors primary purpose in writing this essay about microbes

HESI A2

Reading Comprehension HESI A2 Practice Test

1. What is the author’s primary purpose in writing this essay about microbes?

A. To persuade
B. To inform
C. To entertain
D. To analyze

Correct answer: B

Rationale: The author's primary purpose is to inform readers about the crucial role of microorganisms in the immune system. The essay focuses on presenting factual information and recent discoveries regarding the impact of microbes on human health. The author aims to educate the readers on the significance of microbes in human health rather than persuade them of a particular viewpoint (Choice A), entertain them with light-hearted content (Choice C), or analyze in-depth data and findings (Choice D). The essay's emphasis on informing readers about the role of microorganisms in the immune system makes 'To inform' the correct choice.

2. Choose the best summary of the passage about Sunny-Side Up.

A. Light-skinned people need a maximum of 15 minutes a day in direct sunlight to achieve the benefits of the sun’s rays.
B. Spending too much time indoors can wreak havoc with your circadian rhythms, leach vitamin D from your bones, and damage your immune system.
C. Although negative effects of sunlight are well known, people should be aware that some sunlight is necessary and beneficial.
D. You can avoid direct sunlight but still reap the benefits of a day in the sun by using sunscreen or tinted glass.

Correct answer: C

Rationale: The best summary captures the essence of the passage, which acknowledges the well-known negative effects of sunlight while also emphasizing the necessity and benefits of sunlight exposure. C accurately reflects this balanced view, making it the most appropriate choice.

3. What can be inferred about the author's reaction to different voices?

A. Be an experienced public speaker
B. Prefer shrill, grating, and brassy voice
C. Have no particular reactions to different voices
D. nan

Correct answer: C

Rationale: Based on the extract provided, the author discusses the effects of different voice qualities on others but does not express any preference or reaction towards specific voices. The author emphasizes the negative impact of harsh tones and provides insights into how voice qualities can influence perceptions. As a result, it can be inferred that the author has no particular reactions to different voices. Choices A and B are incorrect as there is no mention of the author's public speaking experience or preference for specific voice qualities in the passage.

4. Which of the following statements is a fact?

A. Nurses should watch for jaundice in newborns.
B. Untreated jaundice may cause brain damage.
C. Phototherapy blankets are a valuable invention.
D. Avoid neonatal units that lack phototherapy.

Correct answer: B

Rationale: The correct answer is B: 'Untreated jaundice may cause brain damage.' This statement is a fact supported by the passage. Neonatal jaundice, if left untreated, can lead to brain damage due to excess bilirubin levels in the blood. Choice A is not a fact but a general guideline for nurses. Choice C is an opinion as it describes phototherapy blankets as valuable without citing a specific fact. Choice D is not a fact but a recommendation, advising to avoid neonatal units lacking phototherapy.

5. What is the meaning of the word supplementation as used in the second paragraph?

A. Extra
B. Organization
C. Attachment
D. Revision

Correct answer: A

Rationale: The term "supplementation" refers to the addition of nutrients to the diet. In the context of the passage, it highlights the need for seniors to receive extra nutrients such as calcium and vitamin D beyond what they typically consume in their diets. This reflects the understanding that seniors may not get sufficient nutrition solely from their regular meals, supporting option A.