HESI A2
HESI A2 Grammar Practice Test
1. Which word is used incorrectly in the following sentence? If you calculate too quickly, you may possibly fail to get the right answer.
- A. calculate
- B. quickly
- C. possibly
- D. right
Correct answer: B
Rationale: The word 'quickly' is used incorrectly in the sentence. The correct word that should be used here is 'speedily.' 'Quickly' is an adverb that describes the speed at which an action is performed. However, in this context, the sentence needs an adverb that conveys doing something in a hurried or rushed manner, which is 'speedily.' Therefore, the sentence should read as: 'If you calculate too speedily, you may possibly fail to get the right answer.' The other choices ('calculate,' 'possibly,' 'right') are used appropriately in the sentence and do not need to be changed.
2. Select the word or phrase that makes the following sentence grammatically correct: 'Why did we ____ try so hard?'
- A. has to
- B. haven't
- C. had to
- D. have to
Correct answer: D
Rationale: 'Have to' is the correct choice as it fits the sentence structure. The sentence is in the past tense ('did we') and requires the infinitive form 'have to' to express the idea of necessity or obligation in the past. 'Has to' (Choice A) is incorrect as it is present tense, 'haven't' (Choice B) is a negative form and does not make sense in this context, and 'had to' (Choice C) would imply a past obligation that has already been fulfilled, which is not the intended meaning here.
3. Which word is used incorrectly in the following sentence? Everybody pretends to do so, but few truly understand the essay.
- A. pretends
- B. truly
- C. understand
- D. essay
Correct answer: C
Rationale: The word 'understand' should be used instead of 'understands' to maintain subject-verb agreement. In this sentence, 'few' is a plural subject, requiring the plural verb 'understand' rather than 'understands.' The corrected sentence reads, 'but few truly understand the essay.' Choice A, 'pretends,' is used correctly in the sentence. Choice B, 'truly,' is also used appropriately. Choice D, 'essay,' is also correctly used in the sentence.
4. What word is best to substitute for the underlined words in the following sentence? Stu often regarded his roommates’ housekeeping as sloppy and careless.
- A. his
- B. hers
- C. them
- D. their
Correct answer: D
Rationale: The word 'their' is the best substitute for the underlined words in the sentence because it refers to Stu's roommates in a possessive form, indicating that the housekeeping belongs to them. 'His' (Choice A) refers to Stu, not the roommates. 'Hers' (Choice B) is incorrect as it refers to a female possessive form. 'Them' (Choice C) is a pronoun for a group of people but does not show possession, making it unsuitable in this context.
5. What punctuation is needed in this sentence to make it correct? Take this fast-acting cough medicine after your next meal.
- A. Period
- B. Comma
- C. Colon
- D. Hyphen
Correct answer: A
Rationale: The correct answer is A: 'Period'. The sentence 'Take this fast-acting cough medicine after your next meal.' is a complete sentence and requires a period at the end to indicate a full stop. A comma (Choice B) is not suitable here as it would create a comma splice. A colon (Choice C) is not needed as there is no introductory clause or list following it. A hyphen (Choice D) is used to join compound words or for other specific purposes, not to end a sentence.
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