Mechanism of action of beta-lactam antibiotics would be______________?

Related Mcqs:

1. B-lactam antibiotics are_____________?

   A. Penicillin
   B. Imipenem
   C. Cephalosporins
   D. All of the above

2. Which of the following is beta-lactam antibiotic ?

   A. Sulphonamide
   B. Carbamide
   C. Cephalosporins
   D. Ofloxacin

3. When broad spectrum antibiotics are administered with coumarin anticoagulants, the anticoagulant action may be____________?

   A. Reduced because of enhanced hepatic drug metabolism
   B. Reduced because of increased protein binding
   C. Increased because of reduction of vitamin sources
   D. Increase because of decrease renal excretion of the anticoagulant

4. Mechanism of action of chlortetracycline_____________?

   A. Interfere with metabolism
   B. Inhibition of protein synthesis
   C. Inhibition of cell wall formation
   D. Interfere with DNA function

5. Mechanism of action of quinolones is______________?

   A. Inhibits DNA gyrase
   B. Inhibits Bacterial protein synthesis
   C. Inhibits bacterial cell wall synthesis
   D. Inhibits intake of folic acid

6. The mechanism of action of chloramphenicol is inhibition of synthesis of_____________?

   A. Cell wall
   B. Cell membrane
   C. Protein
   D. DNA

7. Mechanism of action of nifidipine is_____________?

   A. It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure
   B. Nifidipine depresses the SA node thus decreasing mycocoardial excitability
   C. Mainly depression of A-V conduction
   D. Decreased cardiac output thus decreasing load on myocardium

8. The mechanism of action of sodium nitroprusside is_____________?

   A. Increases cAMP
   B. Direct Vasodilator
   C. Calcium channel blocker
   D. Block the sympathetic flow at hypothalamus

9. A patient has seasonal allergic rhinitis and is on terfenadine, He develps cardiac arrhythmias after a course of antibiotics. Which of the following antibiotic could have been given_____________?

   A. Ampicillin
   B. Tetracyclin
   C. Erythromycin
   D. Co-trimoxazole

10. Which of the following antibiotics is most frequently associated with pseudomembranous colitis ?

    A. Ampicillin
    B. Penicillin
    C. Clindamycin
    D. Cephalosporin