Correct Answer: C

Rationale: The main idea of the passage is that getting the proper amount of uninterrupted sleep plays a major role in the development of muscle. The passage emphasizes how muscle growth occurs during rest periods following a workout, with sleep being a critical time for muscle fiber rebuilding. The connection between sleep, human growth hormone (HGH) release, and muscle development is highlighted. Choice A is incorrect because while the passage mentions the link between inadequate sleep and obesity due to altered appetite hormones, the main focus is on muscle development. Choice B is incorrect because although the passage discusses HGH release during deep sleep, the primary emphasis is on the role of uninterrupted sleep in muscle development. Choice D is incorrect because while the passage acknowledges that developing muscle growth is essential for health as we age, the key point is the significance of uninterrupted sleep in the muscle development process.

Correct Answer: D

Rationale: The passage does not mention the divisions that make up the current CDC.

Correct Answer: D

Rationale: The passage does not mention the fortification of the immune system as a benefit of yoga.

Correct Answer: C

Rationale: The passage does not mention vanilla working better than lemon for stress relief.

Correct Answer: B

Rationale: Exposed in this context means subjected, as in being subjected to toxins.