Which of the following factors can affect the absorption of orally administered drugs?
Stomach pH
Food in the stomach
Blood flow to the gastrointestinal tract
All of the above
The Correct Answer is D
Stomach pH, food in the stomach, and blood flow to the gastrointestinal tract can all affect the absorption of orally administered drugs. For example, some drugs require an acidic environment for optimal absorption and may be affected by changes in stomach pH.
Food in the stomach can delay gastric emptying and slow down drug absorption.
Blood flow to the gastrointestinal tract can affect drug absorption by altering the rate at which drugs are delivered to the absorption site.
a. Stomach pH alone can affect drug absorption, but it is not the only factor.
b. Food in the stomach alone can affect drug absorption, but it is not the only factor.
c. Blood flow to the gastrointestinal tract alone can affect drug absorption, but it is not the only factor.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Oral drug administration is convenient and easy to use because it does not require any special equipment or training and can be self-administered by patients.
a. Oral drug administration does not have a rapid onset of action compared to other routes such as intravenous or intramuscular administration.
c. Being more expensive than other routes is a disadvantage of oral drug administration, not an advantage.
d. Being invasive is a disadvantage of oral drug administration, not an advantage.
Correct Answer is D
Explanation
Stomach pH, food in the stomach, and blood flow to the gastrointestinal tract can all affect the absorption of orally administered drugs. For example, some drugs require an acidic environment for optimal absorption and may be affected by changes in stomach pH.
Food in the stomach can delay gastric emptying and slow down drug absorption.
Blood flow to the gastrointestinal tract can affect drug absorption by altering the rate at which drugs are delivered to the absorption site.
a. Stomach pH alone can affect drug absorption, but it is not the only factor.
b. Food in the stomach alone can affect drug absorption, but it is not the only factor.
c. Blood flow to the gastrointestinal tract alone can affect drug absorption, but it is not the only factor.
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