select the word that makes the following sentence grammatically correct the centrifuge cannot run by it requires constant attention
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HESI A2

Grammar for HESI A2

1. Select the word that makes the following sentence grammatically correct: The centrifuge cannot run by ___________; it requires constant attention.

Correct answer: B

Rationale: The correct answer is 'itself.' The sentence is referring to the centrifuge, which is an object, not a person. Therefore, the word 'itself' is used to indicate that the centrifuge cannot run on its own; it requires constant attention. Choices A, C, and D are incorrect because they refer to a person or people, which is not suitable in the context of the sentence.

2. Which word is not spelled correctly in the context of the following sentence? To succeed in this position, it is necessary to manage people well.

Correct answer: D

Rationale: The word 'manage' is misspelled as 'menage' in the sentence. The correct spelling of the word is 'manage.' Therefore, the correct answer is 'D: manage.' Choices A, B, and C are all spelled correctly in the context of the sentence.

3. What punctuation is needed in the following sentence to make it correct? Because of a major accident on the freeway, the emergency room was overcrowded.

Correct answer: B

Rationale: The correct sentence should be: 'Because of a major accident on the freeway, the emergency room was overcrowded.' A comma is needed after 'freeway' to separate the introductory dependent clause from the independent clause that follows. Choice A (Period) is incorrect as it would create two separate sentences. Choice C (Exclamation point) is incorrect as there is no exclamation in the sentence. Choice D (Semicolon) is incorrect as it is used to separate closely related independent clauses.

4. What punctuation is needed in this sentence to make it correct? Remember the old saying: Out of sight, out of mind.

Correct answer: C

Rationale: The correct punctuation needed in the sentence is a colon. A colon is used to introduce a list or an explanation. In this case, the colon helps to indicate that the following phrase ('Remember the old saying') is providing an explanation or clarification related to the phrase before it. Choice A, the exclamation point, is incorrect as the sentence is not expressing strong emotion or excitement. Choice B, the apostrophe, is incorrect as it is not needed for possession or contraction. Choice D, the semicolon, is incorrect as it is used to connect two independent clauses, which is not the case here.

5. Which word is not spelled correctly in the context of the following sentence? The itinerant teacher moved continually from one school to another within the district.

Correct answer: A

Rationale: The word 'iterate' is not spelled correctly in the sentence. The correct word that should be used here is 'itinerant,' which means constantly traveling from place to place, especially for work. In this context, 'iterate' does not fit as it means to repeat a process or utterance. 'Continually' is spelled correctly and means happening without interruption. 'Within' and 'district' are also spelled correctly and are used appropriately in the sentence. Therefore, choice A is the correct answer.

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