HESI A2 Vocabulary Practice Test

Correct Answer: A

Rationale: The correct answer is A: Prefix. A prefix is a word part placed before a word to change its meaning. It modifies the root word's meaning. For example, adding "un-" before "happy" changes the meaning to "unhappy." Affix (B) is a broader term that includes both prefixes and suffixes. Suffix (C) is a word part placed after a word, and Vocab (D) stands for vocabulary, which is not directly related to changing the meaning of a word.

Correct Answer: B

Rationale: The correct answer is B: Praiseworthy. An exemplary record indicates outstanding performance. Therefore, the doctor's work is deserving of praise. Choice A is incorrect as it suggests mediocrity. Choice C is incorrect as it implies a negative performance. Choice D is incorrect as it suggests lack of clarity, which is not related to the doctor's performance.

Correct Answer: A

Rationale: The correct answer is A: of. The phrase "within 24 hours of administration" indicates a specific time frame after the administration of the tuberculin skin test. The preposition "of" in this context signifies the relationship between the time frame (24 hours) and the event (administration of the test). Using "before" (B), "after" (C), or "during" (D) would change the meaning of the sentence and imply a different timing relationship, which is not accurate in this context. Therefore, choice A is the correct preposition to use in this sentence.

Correct Answer: B

Rationale: Step-by-step rationale for why "Conspiracy" (choice B) is the correct answer for the meaning of Collusion: 1. Collusion involves secret cooperation for illegal or deceitful purposes. 2. "Conspiracy" aligns with the secretive and illicit nature of collusion. 3. Cooperation (Choice A) is too broad and does not specify the clandestine aspect. 4. Separation (Choice C) and Rejection (Choice D) are unrelated to the concept of collusion.

Correct Answer: B

Rationale: The correct answer is B because Manifestation refers to an indication or sign of a condition. It is not a treatment plan (C) or a type of diagnosis (D). While A is similar to B, a manifestation is more than just a symptom; it includes any observable sign that can indicate the presence of a condition. Therefore, B is the best choice as it encompasses the broad definition of Manifestation.