Medical MCQs

5099 MCQs  (Page 422 of 510)

Not true about PnG is______________?
A. Destroyed by gastic acid
B. Very active against sensitive gram positive coci
C. Used for treatment of meningococcal meningitis
D. More concentrated in prostatic secretion and intraocular fluids
All are macrolide antibiotics EXCEPT______________?
A. Erythromycin
B. Roxithromycin
C. Neomycin
D. Calithromycin
Which of the following can be given as a single dose antimalarial for P.vivax malaria______________?
A. Atovaquone + proguanil
B. Artemisinin
C. Quinine + tetracycline
D. Pyrimethamine + sulfadoxime
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
Each of the following statement is correct about metronidazole EXCEPT that it_______________?
A. Is a broad spectrum antiprotozoal drug
B. Active against bacteroides and clostridium
C. An effective alternative for infection caused by aerobic gram positive cocci
D. May cause peripheral neuropathy on prolonged use
Jerisch-Heximer reaction is treated by administering______________?
A. Intravenous penicillin g
B. Antihistamines
C. Tetracyclines
D. Steroids
Redman syndrome is side effect of______________?
A. Rifampicin
B. Vancomycin
C. Chloramphenicol
D. Tetracycline