Pharmacology MCQs- 253

Q- What is the pKa of a drug?

A- The pH at which 100% drug becomes completely ionized

B- The pH at which 100% drug becomes completely unionized

C- The pH at which 50% of the drug is ionized and 50% unionized

C- The PH at which 50% of the drug is ionized and 50% unionized



Q- Which one of the following substances is used to acidify the urine?

A- Acetazolamide

B- Ammonium chloride

C- Sodium bicarbonate

B- Ammonium chloride



Q- Which of the following substances increases absorption of iron in the intestine?

A- Ascorbic acid

B- Cyanocobalamin

C- Folic acid

D- Riboflavin

A- Ascorbic acid



9 thoughts on “Pharmacology MCQs- 253”

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