Describe factors that affect drug dissolution
The pH of the stomach and the gastric emptying rate are two of the most important nutrition-related factors impacting drug dissolution. Medications may require an acidic environment for dissolution. Achlorhydria, which is decreased production of hydrochloric acid, occurs in aging as well as some medical conditions such as HIV and AIDS. Medications that could affect gastric acidity include H2 blockers, proton-pump inhibitors, and antacids. Gastric emptying rate influences the amount of time in which dissolution can occur; medications that affect gastric emptying time include prokinetics, such as metoclopramide.
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The body's amino acid pool consists of
a. essential amino acids only. b. endogenous amino acids only. c. nonessential amino acids only. d. both essential and nonessential amino acids.
Which of the following statements concerning sugar is correct?
A) Eating sugar can contribute to dental caries. B) Eating sugar makes one gain weight. C) Eating sugar causes hyperactivity in children. D) Eating sugar is a direct cause of diabetes.
George's dinner contains 750 kilocalories. At most, how many kilocalories will George expend in order to process this meal?
A. 7.5 kcal B. 50 kcal C. 75 kcal D. 150 kcal
Which of the following is classified as a non-nutritive sweetener?
A. aspartame B. mannitol C. honey D. sorbitol