Most weak acid drugs as well as weak base drugs are absorbed primarily from the small intestine after oral administration because

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Gastrointestinal drugs Questions

Question 1 of 5

Most weak acid drugs as well as weak base drugs are absorbed primarily from the small intestine after oral administration because

A. Both types are more ionized in the small intestine B. Both types are less ionized in the small intestine C. The blood flow is greater in the small intestine than that of other parts of the gut D. The surface area of the small intestine is greater than other parts of the gut

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Which of the following statements about adsorbent drugs used for diarrhea is true?

A. Useful for treatment of severe diarrhea B. Very safe because not absorbed systemically C. In general, small doses are needed to relieve diarrhea D. Kaolin and pectin are considered to be very effective (category I) adsorbents

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

A patient suffering from acute infectious diarrhea caused by Shigella can be managed in all of the following ways except

A. no treatment because signs and symptoms usually resolve in 48 hours B. use of glucose solutions (e.g., soda, apple juice) to settle the stomach and decrease the number of stools C. avoiding food for at least 6 hours, then slowly increasing fluid intake D. using antibiotics (e.g., Bactrim, doxycycline) for 7 days

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

For each effect, select the agent that is most likely associated with it: Use with milk and an alkaline substance can cause milk-alkali syndrome

A. Sodium bicarbonate B. Aluminum hydroxide C. Calcium carbonate D. Magnesium hydroxide

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

All of the following vasoconstrictors are deemed safe and effective for the temporary relief of itching and swelling except

A. ephedrine 0.1%-1.25% B. epinephrine 0.005%-0.01% C. phenylpropanolamine 1%-10% D. phenylephrine 0.25%

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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