select the meaning of the underlined word in the sentence the typical patellar reflex takes only 50 milliseconds between the initial tap and the leg e
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HESI A2

HESI A2 Vocabulary 2023

1. Select the meaning of the word 'reflex' in the sentence: 'The typical patellar reflex takes only 50 milliseconds between the initial tap and the leg extension.'

Correct answer: C

Rationale: In the context of the sentence, the word 'reflex' indicates a quick, automatic response by the body to a stimulus. The patellar reflex, also known as the knee-jerk reflex, involves the leg extending in response to a tap on the patellar tendon. Therefore, the word 'reaction' aligns closely with the nature of the patellar reflex in terms of a rapid and involuntary response. Choices A, B, and D are incorrect: 'Replication' does not capture the concept of a bodily response, 'convulsion' implies a sudden and uncontrollable movement which is not specific to the nature of the patellar reflex, and 'stretching' does not encompass the automatic and rapid nature of a reflex action.

2. What is the CORRECT CONTRACTION for 'They are'?

Correct answer: B

Rationale: The correct contraction for 'They are' is 'They're.' 'Their' is a possessive pronoun indicating ownership, not a contraction. 'The're' is not a valid contraction. 'No contraction used' is incorrect as there is a contraction for 'They are,' which is 'They're.'

3. Which word is not spelled correctly in the context of this sentence? 'The nurse went from room to room looking for the missing patient.'

Correct answer: B

Rationale: The correct answer is 'B' because 'form' is misspelled, it should be 'from'. In the given sentence, 'form' is incorrect as it should be 'from' to indicate movement from one place to another. The other choices ('patient,' 'nurse,' 'missing') are spelled correctly and are relevant in the context of the sentence.

4. Choose the meaning of the word 'disintegrates' in the following sentence: 'It disintegrates in the mouth within seconds after placement on the tongue, allowing its contents to be swallowed with or without water.'

Correct answer: D

Rationale: The word 'disintegrates' means to break apart into smaller parts or fragments. In the sentence, it describes the process of the substance breaking down in the mouth. Therefore, the most appropriate meaning is 'Fragments.' 'Evaporates' means to turn into vapor, 'Fizzes' refers to the production of bubbles, and 'Deviates' means to depart from the norm, making them incorrect choices in the context of the sentence.

5. A condition that is ongoing is ___________.

Correct answer: B

Rationale: A condition that is ongoing implies that it is happening or existing continuously without interruption. Therefore, the most suitable word to describe such a state is 'continuous.' Choice A, 'rapid,' means fast or quick, which does not convey the idea of ongoingness. Choice C, 'partial,' means incomplete or fragmentary, which is the opposite of ongoing. Choice D, 'complete,' means finished or whole, which also does not align with the concept of ongoing.

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