what is the meaning of the word duration as used in the last paragraph

HESI A2

Reading Comprehension HESI A2 Practice Test

1. What is the meaning of the word duration as used in the last paragraph?

A. Basis
B. Extent
C. Cure
D. Solidity

Correct answer: B

Rationale: The word "duration" in the context of sleep refers to the length of time that children should sleep. It suggests a focus on the amount of sleep necessary for healthy development, making option B the correct choice as it aligns with the emphasis on recommended sleep hours for children.

2. What is the main idea of the passage about microbes?

A. Recent discoveries are revealing the critical role of microorganisms in maintaining a properly functioning immune system.
B. The human body is host to a staggering number of microorganisms.
C. Bacteriotherapy reintroduces healthy bacteria into a colon lacking the capability to defend against pathogenic agents.
D. Early research has shown remarkable discoveries in the possibilities of bacteriotherapy.

Correct answer: A

Rationale: The main idea of the passage is that recent discoveries are shedding light on the pivotal role of microorganisms in maintaining a properly functioning immune system. The passage discusses how the human body hosts a wide array of microorganisms, emphasizes the importance of these bacteria in the development of the immune system, and explores the potential applications of bacteriotherapy. Choice A is the correct answer because it accurately reflects the central theme discussed in the passage. Choices B, C, and D are incorrect because they focus on specific details or applications mentioned in the passage, rather than capturing the overarching theme of the critical role of microorganisms in immune system function.

3. Which of the following is not mentioned as being important for seniors?

A. Vitamin B12
B. Calcium
C. Nitrates
D. Exercise

Correct answer: C

Rationale: The passage lists important nutrients for seniors, including fiber, calcium, vitamin D, and B12, while exercise is also discussed as crucial for health. However, nitrates are not mentioned at all, making option C correct since it stands out as the only nutrient not discussed in the context of seniors’ health

4. In this passage, which of these is not mentioned as a possible sign of heat exhaustion?

A. Dizziness
B. Nausea
C. Headache
D. Drowsiness

Correct answer: D

Rationale: The passage mentions dizziness, nausea, and headache as symptoms but does not list drowsiness.

5. Which statement from the selection presents a fact rather than an opinion?

A. One of the worst voice qualities is harshness
B. Harsh voice qualities usually come from too much tension in the throat and jaw
C. Your voice will sound unpleasant if it is shrill, grating, hard, piercing, brassy, too loud, or too nasal
D. Because tension occurs in higher pitched voices, women tend to have shriller voices than men, which usually makes them less desirable public speakers, newscasters, or political candidates

Correct answer: B

Rationale: Statement B, 'Harsh voice qualities usually come from too much tension in the throat and jaw,' presents a fact rather than an opinion. This statement provides a clear and objective observation about the potential cause of harsh voice qualities, based on physical tension in specific areas of the body, which can be objectively measured and identified. Choice A is an opinion as it states 'One of the worst voice qualities is harshness' without providing a verifiable basis. Choice C lists subjective descriptors of an unpleasant voice without stating a definite cause. Choice D introduces a gender-based assertion about voice quality, making it an opinion rather than a factual observation.