What is the major reason that monoamine oxidase inhibitors (MAOIs) are rarely used in clinical practice today?
They are under a scheduled drug classification.
They are ineffective in treating depression or anxiety disorders.
They can cause gastrointestinal (GI) bleeding and esophageal varices.
They may cause dangerous interactions with some foods and drugs.
The Correct Answer is D
A. While MAOIs may have some regulatory considerations, they are not classified under a scheduled drug classification like controlled substances.
B. MAOIs are effective in treating depression and anxiety disorders, which is not the reason for their limited use.
C. Although MAOIs can have some side effects, they are more notably associated with dietary and drug interactions rather than causing GI bleeding or esophageal varices.
D. MAOIs can cause dangerous interactions with foods that contain tyramine (like aged cheeses and fermented products) and certain medications, leading to hypertensive crises, making their use cautious and limiting in clinical practice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. While metoclopramide may have some effect on gastric acid secretion, its primary role is not to reduce it.
B. Metoclopramide primarily enhances gastrointestinal motility, which helps to facilitate gastric emptying and is especially useful in treating conditions like gastroparesis.
C. Metoclopramide does not specifically relieve abdominal pain; it focuses more on motility and nausea.
D. Although metoclopramide does have antiemetic properties, it primarily acts as a dopamine receptor antagonist rather than directly inhibiting serotonin.
Correct Answer is ["0.6"]
Explanation
Volume (mL) = Desired dose (units) / Concentration (units/mL)
In this case:
- Desired dose = 6000 units
- Concentration = 10000 units/mL
Plugging the values into the formula:
- Volume = 6000 units / 10000 units/mL = 0.6 mL
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