B-lactam antibiotics are_____________?

Related Mcqs:

1. Mechanism of action of beta-lactam antibiotics would be______________?

   A. Inhibition of bacterial protein synthesis by binding to subunit of bacterial ribosomes
   B. Inhibition of cell wall peptidoglycan synthesis by competitive inhibition of transpetidases
   C. Reduced drug causes strand breaks in DNA
   D. Inhibition of DNA synthesis by inhibiting DNA-Dependent RNA polymerase

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

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

3. 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

4. Which one of the following antibiotics chelates with calcium ?

   A. pencillin
   B. Tetracycline
   C. Cephalosporins
   D. Erythromycin

5. Which of the following antibiotics is effective in treating oral candidiasis ?

   A. Nystatin
   B. Bacitracin
   C. Penicillin
   D. Tetracycline

6. Traces of which of the antibiotics can be found in the gingival fluid after administration___________?

   A. Tetracycline
   B. Lincomycin
   C. Clindamyclin
   D. Penicillin G

7. The group of antibiotics which possess additional anti-inflammatory and immunomodulatory activities is_____________?

   A. Tetracyclines
   B. Polypeptide antibiotics
   C. Fluoroquinolones
   D. Macrolides

8. IF a bacteria were susceptible to both penicillin and Erythromycin, then it would not be appropriate to treat the patients with both antibiotics at the same time because_______________?

   A. Penicillin is inactivated by erythromycin
   B. Erythromycin exerts its effects extracellularly
   C. Erythromycin enhances the B-lactamases activity
   D. Penicillin is only effective against growing cells

9. 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

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

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