if a doctor has an exemplary record her work is
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Nursing Elites

HESI A2

HESI A2 Vocabulary Practice Test

1. If a doctor has an EXEMPLARY record, her work is ______

Correct answer: B

Rationale: An exemplary record signifies work that is praiseworthy, exceptional, or outstanding. Therefore, the correct answer is 'B: Praiseworthy.' Choices 'A: Ordinary,' 'C: Disappointing,' and 'D: Confusing' do not align with the meaning of having an exemplary record and are thus incorrect.

2. Which part of a plant’s reproductive system is of a different “gender” than the others?

Correct answer: A

Rationale: The stamen is the male reproductive organ of a plant, producing pollen grains. The pistil, consisting of the stigma, style, and ovary, is the female reproductive organ. Therefore, the stamen is of a different 'gender' than the other parts of the plant's reproductive system. The pistil, stigma, and style are all part of the female reproductive system, involved in receiving pollen and supporting fertilization. Stamen is the correct answer as it is the male part of a plant's reproductive system, making it different 'gender-wise' from the female parts.

3. What is the main function of the cell membrane?

Correct answer: B

Rationale: The main function of the cell membrane is communication. It acts as a barrier that regulates the passage of substances in and out of the cell, maintaining cellular homeostasis. Choices A, C, and D are incorrect because energy production occurs in the mitochondria, protein synthesis takes place in the ribosomes, and waste removal is primarily handled by the lysosomes and other organelles within the cell.

4. Select the meaning of the word 'undulate' in the sentence: 'Each shiver made his muscles undulate beneath his skin.'

Correct answer: A

Rationale: In this context, 'undulate' means to move in a smooth, wave-like motion. An undulation of muscles is a subtle, continuous rippling or rolling movement, making 'ripple' the most appropriate synonym in this sentence. 'Shake' (Choice B) is incorrect as it implies a more abrupt and irregular movement. 'Flatten' (Choice C) and 'Unknot' (Choice D) are unrelated to the smooth, wave-like motion described in the sentence.

5. If a 5-kg ball is moving at 5 m/s, what is its momentum?

Correct answer: D

Rationale: The momentum of an object is calculated by multiplying its mass by its velocity. In this case, the mass of the ball is 5 kg and its velocity is 5 m/s. Therefore, the momentum of the ball is 5 kg × 5 m/s = 25 kg⋅m/s. Choice A (10 kg⋅m/s) is incorrect as it does not account for both mass and velocity. Choice B (16.2 km/h) is incorrect as it provides a speed in a different unit without considering mass. Choice C (24.75 kg⋅m/s) is incorrect as it does not correctly calculate the momentum based on the given mass and velocity.

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