Nursing Elites

1. Which enzyme initiates protein digestion in the stomach?

• A. Pepsin
• B. Salivary Amylase
• C. CCK
• D. Secretin

Correct answer: A

Rationale: Pepsin is the enzyme that initiates protein digestion in the stomach. It breaks down proteins into smaller peptides, aiding in their further digestion and absorption in the intestines. Salivary Amylase (Choice B) functions in breaking down dietary carbohydrates in the mouth, not proteins. CCK (Choice C) and Secretin (Choice D) are hormones involved in the digestion of fats and carbohydrates, not proteins. Therefore, Choices B, C, and D are incorrect in the context of protein digestion in the stomach.

2. Which nutrient is most important for wound healing in a patient post-surgery?

• A. Vitamin C
• B. Protein
• C. Iron
• D. Calcium

Correct answer: B

Rationale: Protein is essential for tissue repair and wound healing.

3. Which dietary approach is most beneficial for managing hypertension?

• A. Increasing caffeine intake
• B. Reducing sodium intake
• C. Increasing dietary cholesterol
• D. Reducing fiber intake

Correct answer: B

Rationale: Reducing sodium intake is the most beneficial dietary approach for managing hypertension. High sodium intake can lead to increased blood pressure, so lowering sodium intake is crucial in managing hypertension. Choices A, C, and D are incorrect because increasing caffeine intake, dietary cholesterol, or reducing fiber intake are not recommended dietary approaches for managing hypertension and may even have adverse effects on blood pressure levels.

4. Why is atherosclerosis dangerous to arterial function?

• A. It diminishes central circulation
• B. It causes decreased blood pressure on artery walls
• C. It narrows the arterial lumen so a clot can easily block it
• D. It increases arterial elasticity

Correct answer: C

Rationale: Atherosclerosis is dangerous to arterial function because it narrows the arterial lumen, increasing the risk of a clot completely blocking the blood flow. This can lead to severe cardiovascular events such as heart attacks or strokes. Choice A is incorrect since atherosclerosis does not primarily diminish central circulation, but rather, it impedes local blood flow where the plaque is present. Choice B is also incorrect as atherosclerosis increases the pressure on artery walls due to the narrowed space for blood flow, not decrease it. Lastly, choice D is incorrect as atherosclerosis causes the arteries to lose their elasticity, not increase it.

5. Which mental health disorder can lead to the erosion of lingual enamel, enlarged parotid glands, palatal bruising, and dentinal hypersensitivity?

• A. Bulimia
• B. Anorexia nervosa
• C. Depression
• D. Schizophrenia

Correct answer: A

Rationale: The correct answer is A: Bulimia. Bulimia involves repeated episodes of binge eating followed by purging, which can lead to the erosion of lingual enamel, enlarged parotid glands, palatal bruising, and dentinal hypersensitivity. This behavior exposes the teeth to stomach acid during purging, causing damage to the enamel. Choices B, C, and D are incorrect because these conditions are not typically associated with the specific oral health issues mentioned in the question.

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