HESI A2
HESI A2 Vocabulary 2024
1. In medicine, to be resistant is to be ___________.
- A. unwilling
- B. unaffected by
- C. opposed to
- D. accepting of
Correct answer: B
Rationale: In medicine, when a microorganism or pathogen is described as resistant, it means that it is not affected by the drug or treatment being used against it. Resistance can develop due to various factors, making the pathogen no longer susceptible to the effects of the treatment. Therefore, the correct answer is 'unaffected by.' The other choices are incorrect: 'unwilling' and 'opposed to' do not accurately describe the concept of resistance in medicine, and 'accepting of' is the opposite of what resistance represents in this context.
2. 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.
3. What does Depth mean?
- A. The thickness of an object
- B. Downward measurement from a surface
- C. The length of a surface
- D. The area between two points
Correct answer: B
Rationale: Depth refers to the distance or downward measurement from a surface. It is not the thickness of an object (Choice A), as thickness is the measure of how thick or thin an object is, not necessarily related to depth. Additionally, it is not the length of a surface (Choice C) because length typically refers to the longest dimension of an object rather than its depth. Finally, it is not the area between two points (Choice D) because area is a measure of the space within a boundary defined by points, while depth specifically refers to the vertical distance below a surface.
4. Choose the meaning of the word 'quarantine' in the following sentence: 'The patients are under quarantine until further notice.'
- A. A specialist's care
- B. Experimental drug therapy
- C. Imprisonment in a rehabilitation unit
- D. Confinement away from the general population
Correct answer: D
Rationale: In this sentence, the word 'quarantine' is used to convey the idea that the patients are isolated or separated from the general population. Quarantine is often implemented to prevent the spread of diseases or infections, and in this context, it implies confinement or isolation to ensure the safety of others. The other choices are incorrect because 'A' refers to specialized medical attention, 'B' refers to a specific medical treatment, and 'C' implies being held against one's will in a rehab facility, none of which capture the meaning of 'quarantine' as used in the sentence provided.
5. What does the quoted word 'equilibrium' mean in the following sentence?
- A. Ability to speak
- B. Sense of taste
- C. Sense of balance
- D. Ability to swallow
Correct answer: C
Rationale: The correct answer is C: 'Sense of balance.' In the sentence provided, 'equilibrium' refers to a state of physical balance or stability. The client lost his balance when he woke up, indicating a loss of stability or equilibrium. Choices A, B, and D are incorrect because 'equilibrium' specifically refers to balance, not the ability to speak, sense of taste, or ability to swallow.
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