Answer to Question 1
A
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Severe chronic diarrhea is likely to result in malnutrition and weight loss along with potential alterations in fluid and electrolyte balance. The best indicator of improvement would be an improvement in nutritional status as indicated by weight gain. Although the other outcomes might be applicable to a patient with AIDS, weight gain is the priority concern for a patient with severe chronic diarrhea.
Answer to Question 2
D
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These drugs are anticholinergics that act as antihistamines and block the transmission of impulses to the chemoreceptor trigger zone (CTZ). Options A, B, and C are not correct.