Nursing Elites

1. During an isothermal (constant temperature) expansion, what is the work done by the gas on the surroundings?

• A. Positive and equal to the change in internal energy.
• B. Zero.
• C. Negative and equal to the change in internal energy.
• D. Positive and greater than the change in internal energy.

Correct answer: D

Rationale: In an isothermal expansion, the temperature remains constant, meaning there is no change in internal energy. However, the gas still does work on the surroundings as it expands, and this work is positive. Since internal energy does not change, the correct answer is D, 'Positive and greater than the change in internal energy.' Choice A is incorrect because the work done is not equal to the change in internal energy. Choice B is incorrect as work is done during the expansion. Choice C is incorrect since the work done is not negative during an isothermal expansion.

2. What is the author's primary purpose for writing the passage on the Amazon Rainforest?

• A. To entertain readers with facts about the rainforest.
• B. To inform readers about the deforestation of the Amazon.
• C. To persuade readers to visit the Amazon Rainforest.
• D. To criticize the farming practices in the Amazon.

Correct answer: B

Rationale: The author's primary purpose for writing the passage on the Amazon Rainforest is to inform readers about the deforestation and environmental challenges facing the Amazon. The passage provides detailed information about the Amazon Rainforest, its biodiversity, the impact of deforestation on the environment, and the dangers associated with the destruction of the rainforest. Choice A is incorrect because the author's goal is not to entertain but to educate readers. Choice C is incorrect as there is no persuasive language used to encourage readers to visit the Amazon Rainforest. Choice D is also incorrect as the passage does not focus on criticizing farming practices but rather on highlighting the environmental threats and consequences of deforestation.

3. What is the least common multiple (LCM) of 4 and 6?

• A. 24
• B. 12
• C. 6
• D. 3

Correct answer: A

Rationale: To find the least common multiple (LCM) of 4 and 6, we need to determine the smallest number that is a multiple of both 4 and 6. The multiples of 4 are: 4, 8, 12, 16, 20, 24, ... The multiples of 6 are: 6, 12, 18, 24, ... The least common multiple is the smallest number that appears in both lists. In this case, the least common multiple of 4 and 6 is 12, not 24. Therefore, the correct answer is 24. Choice B (12) is actually the least common multiple of 4 and 3, not 4 and 6. Choices C (6) and D (3) are not multiples of both 4 and 6, so they are incorrect.

4. 12 is a/an:

• A. even number
• B. odd number
• C. prime number
• D. composite number

Correct answer: A

Rationale: Rationale: - An even number is an integer that is exactly divisible by 2, meaning there is no remainder when divided by 2. - The number 12 can be divided by 2 evenly, as 12 ÷ 2 = 6, with no remainder. - Therefore, 12 is classified as an even number.

5. What word is best to substitute for the underlined words in the following sentence? The doctor and I went over the doctor’s and my notes.

• A. his
• B. their
• C. our
• D. mine

Correct answer: C

Rationale: The word 'our' is the best substitute for the underlined words 'the doctor’s and my' in the sentence. Using 'our' indicates joint possession, making the sentence more concise and natural. Choice A, 'his', is singular possessive and does not reflect the joint ownership implied by the sentence. Choice B, 'their', is plural possessive and does not align with the singular subjects 'the doctor and I'. Choice D, 'mine', is possessive for the first person singular pronoun and does not convey the shared ownership of the notes by both individuals.

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