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 the meaning of Diameter?
- A. The width of a structure
- B. The distance across the center of an object
- C. The height of an object
- D. The radius of a circle
Correct answer: B
Rationale: The correct answer is B. Diameter is defined as the distance across the center of an object, typically a circle. Choice A is incorrect because width refers to the measurement of something from side to side, not necessarily through the center. Choice C is incorrect because height is a measurement from top to bottom, not across the center. Choice D is incorrect because the radius of a circle is the distance from the center to any point on the circle's circumference, not the distance across the center.
3. The abbreviation LBW on an infant’s chart refers to the baby’s ___________.
- A. genetic makeup
- B. feeding schedule
- C. Babinski response
- D. weight at birth
Correct answer: D
Rationale: The abbreviation LBW stands for 'Low Birth Weight,' which specifically refers to the weight of the infant at birth. It is an important indicator of the baby's health and development, with low birth weight infants often requiring special medical attention and care. Choices A, B, and C are incorrect because LBW does not relate to genetic makeup, feeding schedule, or Babinski response; rather, it is a term used to describe infants who are born weighing less than normal, which can have implications for their health and require additional monitoring and support.
4. Choose the meaning of the word quandary in the following sentence: 'Too many potential job choices put Martin in a quandary.'
- A. A place where rocks are mined
- B. A journey of discovery
- C. A state of uncertainty
- D. A major attempt or trial
Correct answer: C
Rationale: In this context, the word 'quandary' refers to a state of uncertainty or confusion caused by being faced with a difficult decision or choice. This matches the meaning of option C. Choices A, B, and D are incorrect because 'quandary' does not relate to a place where rocks are mined (A), a journey of discovery (B), or a major attempt or trial (D), but rather to a state of uncertainty or confusion.
5. Select the meaning of the word 'spurious' in the sentence: 'The researcher’s spurious argument confused even the experts.'
- A. Bogus
- B. Obscure
- C. Baffling
- D. Outrageous
Correct answer: A
Rationale: The word 'spurious' in this sentence means something that is false or not genuine. In this context, the researcher's argument was misleading or deceitful, confusing even the experts. 'Bogus' means not genuine or false, which aligns closely with the intended meaning of 'spurious.' The other choices, 'obscure,' 'baffling,' and 'outrageous,' do not capture the essence of being false or deceitful, making them incorrect in this context.
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