HESI A2
HESI A2 Vocabulary 2023
1. Which word describes a screen or filter?
- A. Permeable
- B. Incendiary
- C. Exuding
- D. Resilient
Correct answer: A
Rationale: The word 'permeable' refers to a material or surface that allows liquids, gases, or substances to pass through it, while screening or filtering out impurities. This makes it an appropriate descriptor for a screen or filter, which function by allowing certain elements to pass through while retaining others. Choices B, C, and D are incorrect: 'Incendiary' means causing fires, 'Exuding' means giving off or releasing, and 'Resilient' means able to withstand or recover from difficult conditions.
2. Something that is viscous is thick and sticky. Another word for this might be ___________.
- A. fluid
- B. molten
- C. gelatinous
- D. malleable
Correct answer: C
Rationale: The correct word that can be used to describe something that is thick and sticky, like viscosity, is 'gelatinous.' Gelatinous refers to a substance that has a jelly-like consistency, which aligns with the characteristics of something viscous. Options A, B, and D do not accurately capture the concept of being thick and sticky. 'Fluid' implies a substance that flows easily, 'molten' refers to something melted by heat, and 'malleable' describes the ability to be shaped without breaking.
3. What does 'expand' mean?
- A. To decrease in size
- B. To increase in size or amount
- C. To spread out
- D. To eliminate
Correct answer: B
Rationale: The correct answer is B. 'Expand' means to increase in size or amount. Choice A, 'To decrease in size,' is the opposite of what 'expand' means. Choice C, 'To spread out,' is related to expanding but does not precisely define the term. Choice D, 'To eliminate,' is not synonymous with the term 'expand.'
4. Select the meaning of the underlined word in the following sentence. Apply the gel on the gingival margin around the selected teeth using the blunt-tipped applicator included in the package.
- A. Edge
- B. Grease
- C. Incisor
- D. Cavity
Correct answer: A
Rationale: In this context, the word 'margin' refers to the border or edge of the gums around the teeth. The gel is supposed to be applied on the gingival margin, which means on the edge or border of the gums near the selected teeth. Choice B, 'Grease,' is incorrect as it does not relate to the application of gel on the gums. Choice C, 'Incisor,' refers to a type of tooth and is unrelated to the context of applying gel on the gingival margin. Choice D, 'Cavity,' is also unrelated as it refers to a decayed area in a tooth and not the border of the gums.
5. The quality, safety, and efficacy of the new medicines are not known. What does efficacy mean?
- A. Cost
- B. Effectiveness
- C. Quality
- D. Usage
Correct answer: B
Rationale: Efficacy refers to how effective something is. In this context, it refers to the effectiveness of the new medicines. 'Cost' (Choice A) is incorrect as it relates to the price of something, not its effectiveness. 'Quality' (Choice C) is incorrect as it refers to the standard or degree of excellence. 'Usage' (Choice D) is incorrect as it refers to how something is used, not its effectiveness.
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