Vocabulary HESI A2

Correct Answer: A

Rationale: The correct answer is A: Effectiveness. Efficacy refers to the ability of something to produce a desired or intended result. In the context of the sentence, it is referring to how well counterfeit medicines work in achieving their intended purpose. Choice B (Significance), C (Corollary), and D (Conclusion) are incorrect as they do not capture the meaning of efficacy in this context. Significance refers to importance, corollary refers to a consequence, and conclusion refers to a final decision or judgment, none of which are synonymous with efficacy.

Correct Answer: C

Rationale: The correct answer is C: Experience. In the sentence, "undergo" means to experience or go through something, in this case, additional testing. The word "undergo" implies that the patient will have to go through the process of having additional tests done. Incorrect choices: A: Fail - This is incorrect because "undergo" does not mean fail. It means to experience or go through something. B: Offer - This is incorrect because "undergo" does not mean offer. It means to experience or go through something. D: Succumb - This is incorrect because "undergo" does not mean succumb. It means to experience or go through something.

Correct Answer: D

Rationale: The correct answer is D: Quarrelsome. The word "bellicose" means demonstrating aggression and willingness to fight. In the context of the sentence, it suggests that the children became argumentative or combative after spending too much time in the moving car. The other choices are incorrect because: A: Beautiful - This does not align with the negative behavior exhibited by the children. B: Selfless - This word has a positive connotation, which does not fit the context of the sentence. C: Tolerant - This word means showing acceptance or openness, which contrasts with the aggressive behavior implied by "bellicose."

Correct Answer: C

Rationale: The correct answer is C: Downpour. A deluge refers to a sudden and heavy rainfall, which is synonymous with a downpour. The word "deluge" specifically implies a large amount of water falling at once, making it the most appropriate synonym among the choices provided. Explanation of incorrect choices: A: Earthquake - An earthquake is a geological event involving the shaking of the ground, not related to heavy rainfall. B: Dimness - Dimness refers to low light levels and has no connection to heavy rainfall. D: Chasm - A chasm is a deep fissure or gorge in the earth, not related to heavy rainfall.

Correct Answer: C

Rationale: The correct answer is C: Front. "Ventral" refers to the front side of the body in anatomical terms. This is because in anatomical position, the front side of the body faces forward, while the back side faces backward. Choice A (Top) is incorrect as "dorsal" refers to the top side of the body. Choice B (Bottom) is incorrect as "inferior" or "caudal" refers to the bottom side of the body. Choice D (Back) is incorrect as "dorsal" refers to the back side of the body. Thus, the correct choice is C as "ventral" specifically indicates the front side of the body.