what does nebulous mean

HESI A2

HESI A2 Vocabulary Practice Test

1. What does Nebulous mean?

A. Clear
B. Vague
C. Distinct
D. Complex

Correct answer: B

Rationale: The correct answer is B: 'Vague.' Nebulous means something that is vague or unclear. Choices A, C, and D are incorrect because nebulous is the opposite of clear, distinct, and complex. Nebulous refers to something lacking definite form or limits, making it difficult to understand or perceive clearly.

2. To alleviate a symptom is to ___________.

A. relieve it
B. diagnose it
C. suffer from it
D. manage it

Correct answer: A

Rationale: The correct answer is A: 'relieve it.' To alleviate a symptom means to reduce or improve it, thus providing relief or easing of the discomfort or issue being experienced. Choice B, 'diagnose it,' is incorrect as diagnosing a symptom involves identifying or determining its cause, not relieving it. Choice C, 'suffer from it,' is incorrect as it refers to experiencing the symptom, not alleviating it. Choice D, 'manage it,' is incorrect as managing a symptom involves controlling or handling it, not necessarily reducing or relieving it.

3. Which muscle in the shoulder is the deltoid?

A. dendrite
B. delphic
C. deltoid
D. dentate

Correct answer: C

Rationale: The deltoid muscle is located in the shoulder area. It is a rounded, triangular muscle that covers the shoulder joint and is responsible for lifting the arm and providing shoulder stability. The other options provided, dendrite, delphic, and dentate, are not muscles in the shoulder region.

4. What does Elevate mean?

A. To lower
B. To lift up or place in a higher position
C. To flatten
D. To remove

Correct answer: B

Rationale: The correct answer is B: 'To lift up or place in a higher position.' Elevate means to raise something to a higher level or position. Choice A, 'To lower,' is incorrect as it is the opposite of elevate. Choice C, 'To flatten,' is incorrect as it means to make something level or smooth, not to raise it. Choice D, 'To remove,' is also incorrect as it means to take something away, not to lift or raise it.

5. To take umbrage at something is to ___________.

A. reprimand it
B. stand beneath it
C. speak well of it
D. be offended by it

Correct answer: D

Rationale: To take umbrage at something means to feel offended or resentful by it. It implies feeling upset or insulted by someone's words or actions. The correct answer is D, 'be offended by it,' as it best captures the meaning of the phrase 'take umbrage.' Choice A, 'reprimand it,' is incorrect as it suggests scolding or rebuking something, which is the opposite of feeling offended by it. Choice B, 'stand beneath it,' is unrelated and does not convey the meaning of being offended or resentful. Choice C, 'speak well of it,' is also incorrect as it means to praise or approve of something, which is contrary to feeling offended.