Questions
Which of the following classes of antibiotics eventually leaves a bacterium unable to synthesise proteins that are vital to its growth by binding to 30S ribosomal unit?
- Macrolides
- Rifampicins
- Aminoglycosides
- Lincosamides
Which of the following aminoglycosides is used for the treatment of gonorrhoea?
- Gentamicin
- Amikacin
- Streptomycin
- Spectinomycin
Gelandamycin is an anti-tumor antibiotic. It was discovered in
- Streptomyces hygroscopicus
- Streptomyces griseus
- Micromonospora purpurea
- Streptomyces tenebrarius
Cefadroxil is a broad spectrum first generation antibiotic. It is administered
- intravenously
- orally
- intradermally
- intramuscularly
Ertapenem is a broad-spectrum, carbapenem antibiotic. It is effective against which of the following?
a. Methicillin Resistant Staphylococcus aureus (MRSA)
b. Pseudomonas aeruginosa
c. Ampicillin Resistant Enterococci (ARE)
d. Eubacterium lentum
- Only a and d
- Only a, b and c
- Only d
- Only c and d
Consider the following statements:
A: Cefuroxime is active against Haemophilus influenzae, N. gonorrhoeae and Lyme disease.
B: It is less susceptible to beta lactamases.
- A is correct but B is incorrect
- A is incorrect but B is correct.
- Both A and B are correct but B is not the correct explanation of A
- Both A and B are correct and B is the correct explanation of A
To increase the effectiveness of cefoperazone against beta-lactamase-producing organisms, it is formulated with which of the following?
- Tazobactam
- Sulbactam
- Tebipenem
- Avibactam
Third generation cephalosporins are ineffective against Pseudomonas as such. Which of the following pairs of antibiotics is an exception to this characteristic?
- Cefoperazone and Ceftibuten
- Cefoperazone and Cefpodoxime
- Cefoperazone and Ceftazidime
- Cefoperazone and Ceftriaxone
Vancomycin is a glycopeptide antibiotic used to treat several bacterial infections. Which of the following organisms makes vancomycin?
- Bacillus brevis
- Streptomyces aureofaciens
- Amycolatopsis orientalis
- Aggregatibacter actinomycetemcomitans
Clindamycin, a lincosamide, is inactive on most Gram-negative rods. For which of the following bacteria is it used as the first-line drug of choice?
- Legionella birminghamensis
- Pseudomonas argentinensis
- Haemophilus influenzae
- Capnocytophaga canimorsus
Daptomycin is bactericidal against Gram-positive bacteria. Which of the following functions is/are inhibited due to its action?
a. DNA synthesis
b. RNA synthesis
c. Protein synthesis
- Only a and c
- Only b
- Only a and b
- All of the above
Telithromycin is a ketolide antibiotic. It is especially used to treat
- mouth infection
- syphilis
- pneumonia
- Lyme disease
Chromobacterium violaceum is a Gram-negative, facultative anaerobic and non-sporing coccobacillus. Which of the following antibiotics produced by this is effective against Gram-negative bacteria?
- Aztreonam
- Paromycin
- Doripenem
- Tigecycline
Pyrazinamide is only used for the treatment of tuberculosis. Which of the following compounds acts in synergy with it for treatment of latent tuberculosis?
- Isoniazid
- Rifampicin
- Ethambutol
- Streptomycin