Pharmacokinetics: Metabolism and Excretion — MCQs

The cytochrome involved in monooxygenase-mediated detoxification of drugs is:

A patient given digoxin started having side effects like nausea and vomiting. The serum concentration of digoxin was 4 ng/mL. The plasma therapeutic range is 1-2 ng/mL. If the half-life of digoxin is 40 hours, how long should one wait before resuming the treatment?

A substance has a clearance similar to inulin clearance. How is this substance primarily excreted in urine?

What is the mechanism of metabolism for alcohol, aspirin, and phenytoin at high doses?

A patient on warfarin has a high INR. Which drug likely caused this?

Bile salts undergo conjugation for enhanced solubility:

Which statement best describes first-order kinetics in pharmacokinetics?

Which beta blocker is considered safer for use in patients with hepatic disease?

Which of the following drugs is metabolized by CYP2D6?

Brand A of liposomal amphotericin B is of innovator company and brand B is of a generic company. AUC of Brand A is 124 mg.h/L and AUC of brand B is 115 mg.h/L. Which of the following statements is correct?