HESI A2
Vocabulary HESI A2
1. What is the best description for the word efficacy in the following sentence? The quality, safety, and efficacy of counterfeit medicines are not known.
- A. Effectiveness
- B. Significance
- C. Corollary
- D. Conclusion
Correct answer: A
Rationale: In the context of the sentence provided, efficacy refers to the ability of counterfeit medicines to produce the intended or desired effect. Efficacy is closely related to effectiveness, which is the correct description in this context. 'Significance' (Choice B), 'Corollary' (Choice C), and 'Conclusion' (Choice D) do not accurately capture the meaning of efficacy in this context.
2. What is a device?
- A. An idea or concept
- B. A tool or piece of equipment
- C. A small part of a larger structure
- D. An accessory for fashion
Correct answer: B
Rationale: A device is defined as a tool or piece of equipment designed to serve a specific purpose. It is used to perform a particular function or task. An idea or concept (Choice A) may lead to the creation of a device, but they are not devices themselves. Choice C, referring to a small part of a larger structure, does not encompass the general definition of a device which implies standalone functionality. Choice D, an accessory for fashion, is entirely unrelated to the usual understanding of a device, which focuses on functionality rather than aesthetics.
3. What is the best description of the word 'insidious'?
- A. stealthy
- B. deadly
- C. collapsed
- D. new
Correct answer: A
Rationale: The correct answer is A: 'stealthy.' 'Insidious' is often used to describe something that proceeds in a gradual, subtle, but harmful way. It is not directly or openly harmful like 'deadly,' nor does it mean 'collapsed' or 'new.' Therefore, 'stealthy' best captures the meaning of 'insidious.'
4. What does simulated mean?
- A. Imitated
- B. Dampened
- C. Motivated
- D. Recapped
Correct answer: A
Rationale: The word 'simulated' means to imitate or replicate the characteristics or actions of something. It involves creating a representation that resembles the original. In this context, 'imitated' is the correct synonym as it aligns with the idea of mimicking or reproducing something to simulate it. Choices B, C, and D are incorrect as they do not reflect the concept of imitation or replication, which is central to the meaning of 'simulated.'
5. What does incorrigible mean?
- A. Curable
- B. Incurable
- C. Chronic
- D. Temporary
Correct answer: B
Rationale: The correct answer is B: 'Incurable.' Incorrigible means something or someone that cannot be corrected or cured. It signifies a persistent behavior or trait that is unlikely to change. Choices A, C, and D are incorrect because incorrigible specifically denotes something that is unable to be corrected, not curable, chronic, or temporary.
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