Nursing Elites

1. What is the best definition of 'efficient' as used in the third paragraph?

• A. Slow but steady.
• B. Productive without waste.
• C. Wasteful and careless.
• D. Quick but sloppy.

Correct answer: B

Rationale: The correct definition of 'efficient' in the third paragraph is 'Productive without waste.' In the extract provided, it discusses how different cultures developed tools like cutlery and chopsticks to efficiently eat food. Efficiency here refers to getting something done with the least amount of waste. Choices A, C, and D are incorrect because they do not accurately capture the concept of efficiency discussed in the passage.

2. What is the main idea of the passage about Sunny-Side Up?

• A. There are many positive effects of receiving direct exposure to sunlight.
• B. The negative impacts of sunlight should not be ignored.
• C. Vitamin D is integral for maintaining healthy bones and preventing diseases.
• D. Vitamin D is synthesized by our bodies in reaction to direct sunlight.

Correct answer: A

Rationale: The passage primarily discusses the various positive effects of sunlight exposure, particularly highlighting the benefits of vitamin D for bone health and the regulation of circadian rhythms. While it acknowledges the negative impacts of excessive sun exposure, the emphasis is on the positive aspects, making A the main idea of the passage.

3. In this passage, which of the following is not mentioned as a role of HGH in the human body?

• A. Regulating the metabolism.
• B. Stimulating the immune system.
• C. Regulating leptin, an appetite-controlling hormone.
• D. Facilitating calcium retention.

Correct answer: C

Rationale: The correct answer is C: Regulating leptin, an appetite-controlling hormone. In the provided passage, it is stated that human growth hormone (HGH) is essential for regulating metabolism, building muscle, facilitating calcium retention, and stimulating the immune system. However, leptin is not mentioned as directly regulated by HGH. Instead, the passage discusses how inadequate sleep can lead to lowered levels of leptin, affecting appetite control. Choices A, B, and D are all roles of HGH explicitly mentioned in the passage, making them incorrect answers. Therefore, C is the correct choice as it was not directly linked to HGH in the passage.

4. Why was the roadway of the Golden Gate Bridge so dangerous to build?

• A. It was located above a fast-moving river.
• B. It had to be perfectly balanced to avoid collapse.
• C. The materials used were very unstable.
• D. It was built during bad weather.

Correct answer: B

Rationale: The correct answer is B. The passage describes how the road had to be balanced during construction to avoid collapse into the bay. Choice A is incorrect as the Golden Gate Bridge crosses a strait, not a river. Choice C is incorrect as there is no mention of unstable materials. Choice D is incorrect as bad weather is not highlighted as a specific reason for the danger in building the roadway.

5. What does Macmillan's invention of the bicycle signify?

• A. He made important changes in bicycle design.
• B. He invented the first bicycle with pedals.
• C. He developed the modern chain drive.
• D. He improved the safety of bicycles.

Correct answer: B

Rationale: Macmillan's invention of pedals was a significant milestone in bicycle history as it allowed for quicker and more efficient travel. The provided extract mentions that Macmillan's bicycle had foot-operated cranks like pedals, which enabled the rider to travel at a quick pace. This innovation marked a crucial development in the evolution of bicycles. While choices A, C, and D are related to advancements in bicycle design and safety, the key significance of Macmillan's invention lies in introducing pedals to bicycles, making choice B the correct answer.

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