Nursing Elites

1. What is the meaning of the word 'shifts' as used in the third paragraph?

• A. Alterations
• B. Stints
• C. Removals
• D. Transfers

Correct answer: A

Rationale: In this context, 'shifts' refers to changes or alterations in brain chemistry and electrophysiology. The word 'alterations' best captures the idea that significant changes are occurring in the brain. 'Stints' (choice B) refer to short periods of time or work, which is not the meaning intended here. 'Removals' (choice C) and 'transfers' (choice D) do not fit the context of the sentence and are not related to the changes happening in the brain as described in the extract.

2. What is the meaning of the word tolerance as used in the last paragraph about Yoga?

• A. Open-mindedness.
• B. Approval.
• C. Endurance.
• D. Generosity.

Correct answer: C

Rationale: In this context, "tolerance" refers to the capacity to endure discomfort, particularly in relation to pain during yoga practices. The passage discusses how yoga improves pain tolerance, emphasizing the ability to withstand discomfort rather than any other meanings associated with the term, such as open-mindedness or approval.

3. Why is an unwanted gift called a white elephant?

• A. It is a good gift to give at the party
• B. Gifts are never unwanted
• C. Siam's rulers punished with the gift
• D. It is rare to get an unwanted gift

Correct answer: C

Rationale: The term 'white elephant' originated from the practice of the kings of Siam (now Thailand) giving rare and sacred white elephants as gifts. These white elephants were highly prestigious but also very expensive to maintain, causing financial burdens on the recipients. The kings of Siam used white elephants as a punishment for those who displeased them. The recipients were required to care for the white elephant in a grand style, resulting in financial liabilities that could make them impoverished. Over time, the term 'white elephant' evolved to describe any valuable item that is burdensome or unwanted. Therefore, choice C is correct. Choices A, B, and D are incorrect because they do not accurately explain the origin and meaning of the term 'white elephant' in the context of unwanted gifts.

4. What is the meaning of the word exposed as used in the first paragraph about Toxins and Your Health?

• A. Uncovered.
• B. Subjected.
• C. Visible.
• D. Divulged.

Correct answer: B

Rationale: In the context of the passage, "exposed" means to be subjected to harmful elements. It suggests vulnerability to these toxins, which can lead to serious health issues later in life. The other options do not accurately capture the implications of "exposed" in relation to toxic substances, making B the correct choice.

5. A reader might infer from this passage that NASA ___________.

• A. Plans new twin studies as it aims for Mars
• B. Allows other agencies to study its astronauts
• C. Will use these data in planning future trips
• D. Cares more about physiology than psychology

Correct answer: C

Rationale: The passage suggests that NASA will use the findings from the twin study to plan future extended space missions.

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