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Antibacterial and Antibiotic Drugs MCQs

Antibacterial and Antibiotic Drugs MCQs Question bank

1. A majority of which orofacial infections originate from odontogenic tissues?
a. Osteomyelitis.
b. Ludwig’s angina.
c. Necrotizing fasciitis.
d. Deep neck space infections.

2. For treatment of acute infections, which drug from the β-lactam group does not require a loading dose?
a. Cephradine.
b. Cephalexin.
c. Amoxicillin.
d. Penicillin V.

3. Which β-lactam antibiotic is available only for parenteral administration?
a. Cephalexin.
b. Aztreonam.
c. Cephapirin.
d. Penicillin G.

4. The rare adverse effect ototoxicity, or hearing loss, occurs most often with which family of antibiotics?
a. Penicillins.
b. Macrolides.
c. Carbapenems.
d. Cephalosporins.

5. Which drug is not effective for management of orofacial infections and is reserved for respiratory infections?
a. Erythromycin.
b. Azithromycin.
c. Telithromycin.
d. Clarithromycin.

6. Which is NOT an indication for the use of metronidazole?
a. H. pylori infection.
b. Bacterial vaginosis.
c. Aerobic bacterial infections.
d. C. difficile-associated colitis.

7. Tetracycline is specifically effective against which aggressive periodontal disease organism?
a. Bacteroides.
b. Fusobacterium nucleatum.
c. A. actinomycetemcomitans.
d. Prevotella melaninogenicus.

8. Which narrow spectrum fluoroquinolone is used to treat urinary tract infections?
a. Ofloxacin.
b. Norfloxacin.
c. Levofloxacin.
d. Ciprofloxacin.

9. Which topical antibiotic is indicated for use in treating impetigo?
a. Bacitracin.
b. Neomycin.
c. Mupirocin.
d. Retapamulin.

10. Which antituberculosis drug has a narrow spectrum specifically effective for M. tuberculosis and M. kansasii?
a. Isoniazid.
b. Rifampin.
c. Rifabutin.
d. Pyrazinamide.

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