HESI A2
Vocabulary HESI A2 Practice Test
1. The development of the disease was INSIDIOUS.
- A. Momentous
- B. Sudden
- C. Innocuous
- D. Gradual
Correct answer: D
Rationale: The term 'insidious' typically describes something that occurs gradually and subtly, often without being noticed until it has become more serious or established. Therefore, the development of the disease being insidious suggests that it was gradual, aligning best with the meaning of the word in this context. Choice A, 'momentous,' means significant or important, which is opposite in meaning to insidious. Choice B, 'sudden,' indicates something happening quickly and unexpectedly, contrary to the gradual nature of an insidious development. Choice C, 'innocuous,' means harmless or not likely to cause harm, which does not accurately reflect the negative and harmful connotation associated with an insidious disease development.
2. What does Distended mean?
- A. Shrunken
- B. Enlarged or expanded from pressure
- C. Collapsed
- D. Constricted
Correct answer: B
Rationale: Distended means enlarged or expanded from pressure. The term 'shrunken' (Choice A) means reduced in size, 'collapsed' (Choice C) means fallen in or disintegrated, and 'constricted' (Choice D) means narrowed or tightened. Therefore, the correct answer is B.
3. What does instigate mean?
- A. Deactivate
- B. Activate
- C. Suppress
- D. Evaluate
Correct answer: B
Rationale: The correct answer is B: 'Activate.' Instigate means to initiate or provoke a particular event or action. Choice A, 'Deactivate,' is incorrect as it means to make something inactive, which is the opposite of instigate. Choice C, 'Suppress,' is incorrect as it means to restrain or prevent something, not to initiate it. Choice D, 'Evaluate,' is incorrect as it means to assess or judge the value or quality of something, not to start or provoke it.
4. What is the crystalline compound that is a product of protein metabolism known as?
- A. uracil
- B. urine
- C. ureter
- D. urea
Correct answer: D
Rationale: Urea is the correct answer. It is the crystalline compound formed in the liver from the breakdown of proteins, a byproduct of protein metabolism. Urea is excreted by the kidneys in the form of urine, aiding in the elimination of nitrogenous waste from the body. Uracil (Choice A) is a nitrogenous base found in RNA, not a product of protein metabolism. Urine (Choice B) is the liquid waste excreted by the kidneys but not the crystalline compound resulting from protein metabolism. Ureter (Choice C) is a duct that carries urine from the kidneys to the bladder, not the compound produced from protein metabolism.
5. What is the grammatical category of the term 'biologists' in the sentence 'Most wildlife biologists disapprove of crossbreeding wolves and dogs'?
- A. Adjective
- B. Noun
- C. Verb
- D. Conjunction
Correct answer: B
Rationale: 'Biologists' is a noun in the sentence, referring to a group of people who study wildlife and their behaviors. In this context, 'biologists' is not describing or modifying another noun, making it a noun itself. Therefore, options A, C, and D are incorrect.
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