Which mineral is essential for wound healing?

Correct Answer: C

Rationale: Zinc plays a critical role in wound healing due to its involvement in cell proliferation, immune function, and protein synthesis, all of which are essential for tissue repair.

Correct Answer: A

Rationale: The stomach churns food into chyme and has a highly acidic environment (pH 2) to aid in the digestion of proteins and other nutrients.

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: The most appropriate nursing diagnosis for a patient with heart failure is 'fluid volume excess.' In heart failure, the heart's reduced pumping ability leads to fluid retention, causing an excess of fluid in the body. This can result in symptoms such as edema, shortness of breath, and weight gain. 'Risk for infection,' 'impaired body temperature,' and 'ineffective airway clearance' are not the most appropriate nursing diagnoses for a patient with heart failure as they do not directly relate to the pathophysiology and common issues seen in heart failure patients.

Correct Answer: A

Rationale: LDL (Low-Density Lipoprotein) is known as the 'bad' type of cholesterol because it deposits cholesterol on the walls of arteries, leading to plaque formation and narrowing of the arteries (atherosclerosis). This narrowing can restrict blood flow and increase the risk of serious cardiovascular conditions. The statement and the reason are directly related because the adherence of LDL to arterial walls and the subsequent narrowing of the lumen are the primary reasons why it is considered detrimental to heart health. Choice B is incorrect because the statement and reason are related. Choice C is incorrect because both the statement and the reason are correct. Choice D is incorrect because the statement correctly identifies LDL as the 'bad' type of cholesterol due to its actions in the arteries.

Correct Answer: A

Rationale: The correct answer is A: oxidative stress from sunlight. Oxidative stress caused by exposure to sunlight is a significant risk factor for age-related macular degeneration. This condition can result in vision loss among older individuals. Choices B, C, and D are incorrect. Iron-deficiency anemia, decreased intake of phytochemicals, and vitamin B6 malabsorption are not established risk factors for age-related macular degeneration.

Correct Answer: A

Rationale: For patients with kidney disease, it's important to manage fluid intake from all sources, including foods like gelatin and soups, which can contribute to fluid overload.

Correct Answer: C

Rationale: The correct answer is C. The goal of reflective listening is to keep the patient talking, allowing them to express their thoughts and concerns fully. Choice A, 'Repeating what the patient says,' is incorrect as reflective listening involves paraphrasing or summarizing rather than verbatim repetition. Choice B, 'Informing using direct advice,' is incorrect because reflective listening focuses on understanding the patient's perspective rather than providing direct advice. Choice D, 'Warning the patient,' is also incorrect as reflective listening aims to create a safe and open environment for the patient to share without feeling judged or warned.

Correct Answer: C

Rationale: Adults who participate in endurance exercise are typically more aware of their nutritional needs and have higher protein intake compared to other groups. The rationale behind why the other choices are incorrect is as follows: A: The elderly are often at a higher risk of insufficient protein intake due to various factors such as reduced appetite, dental issues, and decreased muscle mass. B: Individuals with low income may struggle to afford protein-rich foods, making them more susceptible to insufficient protein intake. D: Patients who are chronically ill may have specific dietary restrictions or challenges that can lead to inadequate protein consumption.