if a theory is obsolete what is true of it

HESI A2

Vocabulary HESI A2 Practice Test

1. If a theory is obsolete, what is true of it?

A. Up to date
B. Outdated
C. Innovative
D. Scientific

Correct answer: B

Rationale: The correct answer is B: 'Outdated.' When something is described as 'obsolete,' it means that it is outdated or no longer in use. Therefore, an obsolete theory is no longer current or relevant. Choices A, C, and D are incorrect because an obsolete theory is not considered up to date, innovative, or necessarily scientific; it is outdated and no longer relevant in its field.

2. What is the correct subjunctive verb to complete the sentence? 'If I ___ you, I'd leave now.'

A. Were
B. Is
C. Be
D. Was

Correct answer: A

Rationale: The correct answer is 'Were.' In the subjunctive mood, we use 'were' for hypothetical or unreal situations. The sentence should read, 'If I were you, I'd leave now.' Choice B ('Is') is incorrect because it is not in the subjunctive form. Choice C ('Be') is incorrect as it is the base form and not the correct form for the subjunctive mood. Choice D ('Was') is incorrect as it is the past tense form and not used in the subjunctive mood.

3. Select the meaning of the underlined word in the following sentence. It is a clear, yellowish liquid having a peculiar ethereal, fruity odor.

A. Aerated
B. Incapacitating
C. Delicate
D. Distinctive

Correct answer: D

Rationale: The word 'distinctive' means having a quality that makes something unique or easily recognizable. In the context of the sentence provided, the clear, yellowish liquid with a peculiar ethereal, fruity odor is being described as having a noticeable and unique quality. Choice A, 'aerated,' means to introduce air into a substance, which does not fit the description of the liquid in the sentence. Choice B, 'incapacitating,' means to deprive of strength or ability, which is not relevant to the description of the liquid. Choice C, 'delicate,' means fragile or easily broken, and while it is somewhat related to the context of the sentence, it does not fully capture the unique and recognizable aspect described in the sentence.

4. What does 'Deficit' mean?

A. An excess of something
B. A deficiency or lack of something
C. An abundance of something
D. A stable amount

Correct answer: B

Rationale: The correct answer is B: 'A deficiency or lack of something.' The term 'deficit' refers to a shortage or inadequacy of something. Choice A is incorrect because a surplus means an excess, which is the opposite of a deficit. Choice C is incorrect as an abundance signifies a large quantity or more than enough of something. Choice D is incorrect as a stable amount does not convey the concept of a deficit.

5. If illegal operators are posing as licensed pharmacists, what are they doing?

A. Modeling
B. Inquiring
C. Positioning
D. Pretending

Correct answer: D

Rationale: If illegal operators are posing as licensed pharmacists, they are pretending to be licensed pharmacists when they are not. This deceptive behavior is misleading and potentially dangerous for consumers seeking legitimate medical advice and products. Choice A, modeling, implies imitating behavior or appearance, which is not the case here. Choice B, inquiring, suggests seeking information or asking questions, which is not the correct behavior in this context. Choice C, positioning, refers to arranging or placing things in a particular way, which is not relevant to the situation described in the question.