HESI A2 Reading Comprehension V1 2024

Correct Answer: A

Rationale: The correct answer is A: Something that is able to resist and be flexible. In the context of elasticity, it refers to the ability of a material to return to its original shape after being stretched or compressed. This aligns with the concept of resistance and flexibility. Choice B is incorrect as elasticity is not related to being like plastic. Choice C is incorrect as it does not capture the essence of elasticity being about resistance and flexibility. Choice D is incorrect as silliness has no relation to the concept of elasticity.

Correct Answer: A

Rationale: The correct answer is A because baroreceptors and chemoreceptors are sensory receptors that detect changes in blood pressure and blood chemistry, respectively, and send nerve impulses to the brain to regulate these parameters. This is different from the kidneys, which are responsible for regulating blood volume by controlling the balance of salts, water, and waste removal through the production of urine. Therefore, the major difference lies in the function and location of these systems. Choices B, C, and D are incorrect because they either incorrectly describe the functions of baroreceptors, chemoreceptors, and kidneys or provide irrelevant information about their locations and interactions with other organs.

Correct Answer: D

Rationale: The correct answer is D: for the general public. In the third paragraph, the word 'popular' is used to describe something that is liked, accepted, or enjoyed by a large number of people, which aligns with the definition of being 'for the general public.' Choice A, complicated, is incorrect because 'popular' does not imply complexity. Choice B, old-fashioned, is incorrect as 'popular' suggests current relevance. Choice C, beloved, is incorrect as 'popular' does not necessarily mean deeply loved but rather widely accepted.

Correct Answer: C

Rationale: The correct answer is C: disease-causing substances. In the first paragraph, pathogens are referred to as agents capable of causing disease. The term 'pathogens' specifically encompasses various microorganisms like bacteria, viruses, fungi, and parasites that can infect a host and lead to illnesses. Choice A, diseases, is incorrect as pathogens are the causative agents of diseases. Choice B, vaccines, is incorrect as vaccines are used to prevent diseases caused by pathogens. Choice D, foods, is also incorrect as pathogens are not related to foods but are rather disease-causing agents. Thus, the most appropriate interpretation of 'pathogens' in the context of the paragraph is disease-causing substances.

Correct Answer: A

Rationale: The correct answer is A because sound pitch is determined by the frequency of sound waves. When waves are closer together, they have a higher frequency, resulting in a higher pitch. In contrast, when waves are farther apart, the frequency is lower, leading to a lower pitch. Choices B, C, and D are incorrect as they do not directly relate to the frequency of sound waves, which is the key factor affecting pitch.