which of the following is the plural form of the noun stimulus

HESI A2

HESI A2 Practice Test Vocabulary

1. Which of the following is the plural form of the noun 'stimulus'?

A. Stimulus
B. Stimuli
C. Stimulis
D. Stimula

Correct answer: B

Rationale: The correct answer is 'Stimuli.' When forming the plural of 'stimulus,' the correct form is 'stimuli.' Choice A, 'Stimulus,' is the singular form, not the plural. Choice C, 'Stimulis,' is an incorrect spelling. Choice D, 'Stimula,' is also an incorrect form for the plural of 'stimulus.' Therefore, 'Stimuli' is the only correct plural form.

2. Which phrase should be moved to the end of the sentence? 'The painter decided to use the urn as his subject with flowers on the table.'

A. as his subject
B. with flowers on the table
C. use the urn as his subject
D. with the urn

Correct answer: B

Rationale: Moving 'with flowers on the table' to the end of the sentence improves the sentence flow and clarity. This placement helps to maintain a logical sequence of events, enhancing the reader's understanding. Choice A, 'as his subject,' is an integral part of the main action and should not be moved. Choice C, 'use the urn as his subject,' disrupts the verb-object relationship and makes the sentence less coherent. Choice D, 'with the urn,' lacks context and does not provide a smooth transition when placed at the end of the sentence.

3. If you are at the zenith of your career, you are ___________.

A. just getting started
B. preparing for retirement
C. at the pinnacle of success
D. having trouble with your superiors

Correct answer: C

Rationale: When someone is at the zenith of their career, it means they have reached the highest point or peak of success in their professional life. This suggests that they have achieved their utmost potential and are enjoying the height of their career accomplishments. Choice A, 'just getting started,' is incorrect as it implies the beginning of a career rather than the peak. Choice B, 'preparing for retirement,' is incorrect because being at the zenith of one's career usually signifies the prime of one's professional success, not the preparation for retirement. Choice D, 'having trouble with your superiors,' is incorrect as it is unrelated to the concept of reaching the peak of success in one's career.

4. What does the quoted word 'occluded' mean in the following sentence? The nurse reported that the patient's circulation to that foot was 'occluded'.

A. Normal
B. Impaired
C. Inadequate
D. Obstructed

Correct answer: D

Rationale: The correct answer is D, 'Obstructed.' 'Occluded' means blocked or obstructed, indicating that the circulation to the foot was hindered. Choices A, B, and C are incorrect because 'occluded' does not mean normal, impaired, or inadequate but rather obstructed.

5. This medication works by inhibiting the action of a certain enzyme. What does inhibiting mean?

A. Blocking
B. Hindering
C. Energizing
D. Blocking improvement

Correct answer: B

Rationale: The correct answer is 'B: Hindering.' Inhibiting means to hinder or slow down a process. Choices A and D are similar and imply a complete stop of the process rather than just slowing it down. Choice C, 'Energizing,' is the opposite of inhibiting, as it means to provide energy or stimulate rather than hinder.