Correct Answer: B

Rationale: The correct answer is B: Dormant. Latent and dormant are synonymous and refer to something existing but not currently active or evident. Choice A, 'Flagrant,' means something that is conspicuously offensive, blatant, or glaring, which is the opposite of latent. Choice C, 'Deceased,' means no longer alive, which is unrelated to latent. Choice D, 'Postponed,' means to delay or reschedule to a later time, which is not synonymous with latent.

Correct Answer: B

Rationale: Tepid bathwater refers to water that is neither too hot nor too cold, but rather lukewarm in temperature. It is a comfortable and soothing temperature for bathing or soaking. Choice A is incorrect because tepid water is not salty. Choice C is incorrect because icy water is cold, not tepid. Choice D is incorrect as half-full refers to the quantity of water, not its temperature.

Correct Answer: A

Rationale: Magnesium is another essential electrolyte in the human body, along with sodium, potassium, and calcium. Magnesium plays a crucial role in various bodily functions, including muscle and nerve function, regulating blood pressure, and supporting the immune system. Manganese (Choice B), magnetite (Choice C), and manganite (Choice D) are not electrolytes found in the human body. Manganese is a mineral but not an electrolyte, while magnetite and manganite are compounds and not essential electrolytes for bodily functions.

Correct Answer: A

Rationale: A strident alarm is loud, harsh, and piercing. The word 'shrill' specifically denotes a high-pitched and piercing sound, which aligns well with the characteristics of a strident alarm. Therefore, 'shrill' is the most suitable answer in this context. Choices B, C, and D are incorrect because a strident alarm is not quiet (muted), unchanging (constant), or deep and full (resonant), but rather loud and harsh.

Correct Answer: C

Rationale: When people masticate, they use their gums and teeth to chew and physically break down food into smaller pieces for easier digestion. The process of mastication is essential for proper digestion in the human body. Choices A, B, and D are incorrect as fingers, eyes, ears, heels, and toes are not involved in the process of chewing or mastication.