Quizlet Vocabulary HESI A2

Correct Answer: C

Rationale: The correct answer is C: Etiology. Etiology refers to the cause or origin of a disease, in this case, the flu epidemic of 1918. The question explicitly states that the etiology remains unknown, indicating that the cause of the epidemic is still a mystery. Pathology (A) refers to the study of diseases rather than their cause. Transmission (B) relates to how a disease spreads, not its origin. Mortality rate (D) is a measure of the number of deaths caused by a disease and is not directly related to determining the cause of the epidemic. Therefore, the correct answer is C because it specifically addresses the unknown cause of the flu epidemic.

Correct Answer: D

Rationale: The correct answer is D: On the side. Lateral refers to a position or direction that is away from the midline of the body. This means it is towards the sides of the body. Choice A is incorrect because near the midline is actually referring to the medial direction. Choice C is incorrect as "at the top of the body" describes the superior direction, not lateral. Choice B is incorrect because "away from the midline" is a correct synonym for lateral.

Correct Answer: B

Rationale: The correct answer is B: Purified. Aseptic means free from contamination by harmful bacteria, viruses, or other microorganisms. Purified best describes this term as it implies the removal of contaminants. Choice A (Sterilized) refers to the complete destruction of all microorganisms, not just contamination removal. Choices C (Contaminated) and D (Polluted) are incorrect as they both imply the presence of harmful microorganisms, which is the opposite of aseptic.

Correct Answer: B

Rationale: The correct answer is B because it uses the gender-neutral pronoun "his or her" to maintain grammatical correctness and avoid ambiguity. Choice A is incorrect due to the mismatch between "somebody" (singular) and "their" (plural). Choice C is incorrect as it changes the subject of the sentence. Choice D is incorrect as it lacks conciseness and clarity by using "his or her" without a specific antecedent.

Correct Answer: C

Rationale: The word "cease" means to stop or come to an end. In the given sentence, "The rain will cease at sundown," it indicates that the rain will stop. Therefore, choice C, "Stop," is the correct answer. Choices A, B, and D are incorrect because they do not convey the same meaning as "cease." A (Decrease) implies a reduction in amount, B (Begin) implies starting, and D (Increase) implies a growth or rise, which do not align with the context of the sentence.