HESI A2
HESI A2 Vocabulary 2023
1. Choose the meaning of the word 'dilute' in the following sentence: 'Always dilute that medicine before administering it to a patient.'
- A. Add water to
- B. Reduce by half
- C. Warm up
- D. Decontaminate
Correct answer: A
Rationale: In this context, 'dilute' means to make the medicine less concentrated by adding water or another liquid. It is important to dilute certain medicines to ensure they are safe and effective for a patient's use. Choice B, 'Reduce by half,' is incorrect as diluting does not necessarily mean reducing by half; it means to make less concentrated. Choice C, 'Warm up,' is unrelated to the meaning of dilute. Choice D, 'Decontaminate,' is also incorrect as dilute refers to reducing the concentration of a substance, not removing contaminants.
2. What does the word 'principally' mean?
- A. Mostly
- B. Clearly
- C. In our opinion
- D. Royally
Correct answer: A
Rationale: The correct answer is A: 'Mostly.' The word 'principally' means mainly or mostly. It is used to describe something that is primarily or predominantly true in a given context. Choice B, 'Clearly,' is incorrect as it does not reflect the primary meaning of the word. Choice C, 'In our opinion,' is incorrect as it does not capture the essence of 'principally.' Choice D, 'Royally,' is incorrect as it does not align with the definition of the word.
3. Select the sentence in which 'snake' is used as a verb.
- A. The snake is in the grass
- B. He had to snake his way through the crowd
- C. The snake slithered away
- D. The spy had to snake his way onto the train
Correct answer: D
Rationale: The sentence 'The spy had to snake his way onto the train' correctly uses 'snake' as a verb. In this context, 'snake' is used to describe the spy's action of moving cunningly and stealthily, similar to how a snake slithers, making it the appropriate choice where 'snake' functions as a verb. The other choices use 'snake' as a noun to refer to the reptile itself or its movement, not as a verb.
4. A paroxysm is a sudden spasm. Another word for this might be
- A. Symptom
- B. Convulsion
- C. Efficacy
- D. Embolism
Correct answer: B
Rationale: The correct answer is B, 'Convulsion.' A paroxysm and a convulsion both refer to sudden, involuntary spasms. This makes 'Convulsion' the most suitable synonym. 'Symptom' (Choice A) refers to an indication of a condition but not a spasm. 'Efficacy' (Choice C) refers to the ability to produce a desired or intended result, unrelated to spasms. 'Embolism' (Choice D) refers to an obstruction in a blood vessel, not a sudden spasm.
5. Another word for PRECAUTION is?
- A. Routine procedure
- B. Preventive measure
- C. Habit
- D. Safeguard
Correct answer: B
Rationale: Another word for PRECAUTION is a preventive measure because both terms refer to actions taken in advance to prevent something untoward from happening. They are proactive steps aimed at avoiding potential risks or harm. While a routine procedure and habit may involve general practices, a preventive measure specifically denotes a proactive step taken to avert potential dangers or issues. 'Routine procedure' is incorrect as it does not necessarily imply preventive action. 'Habit' is incorrect as it refers to repeated behaviors rather than proactive steps. 'Safeguard' is incorrect as it generally means protection rather than a proactive preventive action.
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