HESI A2
HESI A2 Vocabulary 2024
1. What is a mass of tissue formed in the ovary known as?
- A. corpus delicti
- B. corpus luteum
- C. corpus striatum
- D. corpus callosum
Correct answer: B
Rationale: A mass of tissue formed in the ovary is known as the corpus luteum. The corpus luteum is a temporary endocrine structure involved in the production of progesterone, which is essential for preparing and maintaining the uterus for pregnancy. Choices A, C, and D are incorrect. Corpus delicti refers to the body of a crime, corpus striatum is a part of the brain, and corpus callosum is a structure that connects the two hemispheres of the brain.
2. 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.
3. If a theory is obsolete, what is true of it?
- A. Up to date
- B. Outdated
- C. Innovative
- D. Scientific
Correct answer: B
Rationale: The correct answer is B: 'Outdated.' When something is described as 'obsolete,' it means that it is outdated or no longer in use. Therefore, an obsolete theory is no longer current or relevant. Choices A, C, and D are incorrect because an obsolete theory is not considered up to date, innovative, or necessarily scientific; it is outdated and no longer relevant in its field.
4. Choose the meaning of the word 'contravene' in the following sentence: 'Did the interns contravene the doctor’s orders?'
- A. Comply with
- B. Misjudge
- C. Comprehend
- D. Disregard
Correct answer: D
Rationale: The word 'contravene' in this sentence means to go against or disobey. Therefore, the correct meaning is closest to 'disregard.' The interns did not follow or comply with the doctor's orders, indicating that they contravened them. 'Comply with' (Choice A) is the opposite of 'contravene,' 'misjudge' (Choice B) and 'comprehend' (Choice C) do not accurately reflect the meaning of 'contravene' in this context.
5. She went to the party _____ her dislike for the host.
- A. because of
- B. despite
- C. in spite of
- D. due to
Correct answer: B
Rationale: The correct answer is 'despite.' 'Despite' is used to indicate a contrast between attending the party and the dislike for the host. 'Because of' (choice A) is incorrect as it would imply that she attended the party specifically because of her dislike for the host. 'In spite of' (choice C) has the same meaning as 'despite' but is less commonly used. 'Due to' (choice D) is incorrect as it is used to show causation, which does not fit the context of the sentence.
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