Correct Answer: C

Rationale: Pre-packaged meals often contain high levels of sodium, which can contribute to hypertension and other health issues when consumed in excess.

Correct Answer: A

Rationale: Correct Answer: Fresh fruits and vegetables are often unavailable in food deserts, where access to nutritious, perishable foods is limited. Choice B, energy-dense foods, is incorrect because these are more likely to be available in food deserts, contributing to health issues. Choice C, beef or pork products, is incorrect as the focus is on the lack of fresh produce. Choice D, grains and cereals, is incorrect as these are staple foods that are more commonly found even in areas classified as food deserts.

Correct Answer: B

Rationale: Reducing potassium intake is important for patients with chronic kidney disease to prevent hyperkalemia.

Correct Answer: D

Rationale: Magnesium plays a key role in muscle relaxation, enzyme operation, and protein synthesis, but it is not directly involved in regulating body temperature.

Correct Answer: B

Rationale: Tea contains oxalates, which can contribute to the formation of calcium oxalate stones; therefore, patients prone to kidney stones should avoid excessive tea consumption.