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.

What statement from the article is correct?

• A. Chopsticks were developed in Europe.
• B. China developed chopsticks for eating utensils.
• C. Eating with forks is difficult.
• D. Space travel eliminated the need for utensils.

Correct Answer: B
Rationale: The correct answer is B. The passage clearly states that China developed chopsticks as an efficient tool for eating, making choice B the correct statement. Choice A is incorrect as chopsticks were not developed in Europe but in China. Choice C is not supported by the passage as it does not discuss the difficulty of eating with forks. Choice D is also incorrect as space travel introduced new challenges but did not eliminate the need for utensils.

Which might be a good title for the passage about Barefoot Running?

• A. Everyone Should Run Barefoot.
• B. How to Prevent Running Injuries.
• C. Modern Road Surfaces Versus Barefoot Running.
• D. The Debate over Barefoot Running.

Correct Answer: D
Rationale: The title 'The Debate over Barefoot Running' captures the main discussion in the passage.

What conclusion can you draw from the first sentence of the passage?

• A. Osteoporosis is more common than anyone previously imagined.
• B. The media give a lot of overall coverage to osteoporosis.
• C. Only women are at high risk for developing bone thinning.
• D. Thinning bones is not considered a serious medical problem.

Correct Answer: B
Rationale: The correct answer is B. The first sentence suggests that osteoporosis receives significant media coverage, indicating that the media gives a lot of overall coverage to the issue. This conclusion can be drawn as the passage mentions how osteoporosis is a major health concern for women and is widely covered in newspapers and television commercials. Choice A is incorrect because the passage does not mention the prevalence of osteoporosis compared to previous estimates. Choice C is incorrect as the passage highlights that men are being overlooked in terms of bone thinning concerns. Choice D is incorrect as the passage emphasizes the seriousness of bone thinning and the need for preventive measures.

What is the meaning of the word compelling as used in the passage about Sunny-Side Up?

• A. Reasonable.
• B. Convincing.
• C. Common.
• D. Worthwhile.

Correct Answer: B
Rationale: In this context, "compelling" refers to something that is convincing or persuasive. The passage presents a strong argument in favor of sunlight's benefits, particularly in relation to vitamin D synthesis. Therefore, B is the correct choice as it aligns with the author's intent to present a convincing argument.