Mechanism of Action Multiple Choice Questions with Answers – PDF Download

MCQ 1: The enzymatic activity of the enzyme dihydrofolate reductase is stopped by the action of the drug named as:

1. Dihydropteroate synthetases
2. Transferase
3. Trimethoprim
4. Flucytosine

MCQ 2: A bactericidal drug that inhibits the activity of DNA gyrase ultimately inhibit the synthesis of:

1. Bacterial Ribonucleic acid (RNA)
2. Bacterial Deoxyribonucleic Acid (DNA)
3. Ribosome
4. Mitochondria

MCQ 3: Staphylococcus epidermis causes an infection that can be treated with:

1. Cephalosporin
2. Vancomycin
3. Bacitracin
4. Cycloserine

MCQ 4: A second line drug that is used for the treatment of tuberculosis is called:

1. Cycloserine
2. Cephalosporin
3. Monobactams
4. Vancomycin

MCQ 5: The bond between 50s ribosomal subunit and chloramphenicol during the inhibition of protein synthesis is at the active site of the enzyme named as:

1. Peptidase
2. Transferase
3. Amylase
4. Lipase