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.Management Sciences
Category: Chemotherapy
1st generation cephalosporin is________________?
A. Cephadroxil
B. Cefepime
C. Cefotaxime
D. Cefoperazone
Which drug causes photosensitivity______________?
A. Tetracycline
B. Aminoglycoside
C. Penicillin
D. Cephalosporin
The antibiotic of choice in patients sensitive to penicillin is___________?
A. Erythromycin
B. Streptomycin
C. Tetracycline
D. Chloramphenicol
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
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
Tetracycline in children causes____________?
A. Calcification
B. Missing teeth
C. Discolored teeth
D. Peg teeth
Peripheral neuritis is a complication of_______________?
A. Isoniazid
B. Ethambutol
C. Rifampicin
D. Pirazinamide
Tetracyclines act by__________________?
A. Inhibiting the binding of aminoacyl tRNA to the ribosomal complex
B. Inhibiting peptidyl transferase
C. Inactivating elongation factors
D. Causing misreading of mRNA
Which of the following antibiotics is not used in the treatment of infectious mononucleosis ?
A. Ampicillin
B. Gentamycin
C. Erythromycin
D. Ciprofloxacin
Which one of the following drugs is an antipseudomonal penicillin ?
A. Cephalexin
B. Cloxacillin
C. Piperacillin
D. Dictoxacillin
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