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. What does concave mean?
- A. Rounded inward
- B. Rounded outward
- C. Straight
- D. Flat
Correct answer: A
Rationale: Concave means rounded inward. When something is concave, it curves inwards like the interior of a bowl. Choice B, 'Rounded outward,' is incorrect as this describes a convex shape, not concave. Choice C, 'Straight,' is incorrect as concave refers to a curved shape, not a straight one. Choice D, 'Flat,' is also incorrect as it does not describe the inward curve characteristic of concave shapes.
3. What does Manifestation mean?
- A. A symptom or sign of a condition
- B. An indication or sign of a condition
- C. A treatment plan
- D. A type of diagnosis
Correct answer: B
Rationale: Manifestation means an indication or sign of a condition. It is not a treatment plan (choice C) or a type of diagnosis (choice D). While choice A is close, 'symptom' is more specific than 'indication' in this context, making choice B the most accurate.
4. 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.
5. A child with a stuffy nose might find it hard to ____.
- A. Breathe
- B. Breathing
- C. Breath
- D. Breadth
Correct answer: A
Rationale: The correct answer is A. A child with a stuffy nose might find it hard to breathe. 'Breathe' is the correct verb form in this sentence. 'Breathing' is the present participle form and could also work, but in the context of the sentence, 'breathe' is more suitable. 'Breath' is a noun referring to a single inhalation or exhalation of air, not the correct form in this context. 'Breadth' is a noun referring to the extent or measure of something from side to side, which is completely unrelated to the ability to breathe with a stuffy nose.
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