The long-acting penicillin applied for chemoprophylaxis of rheumatic fever as a monthly injection is:
Anonymous Quiz
16%
Benzyl penicillin
0%
Amoxycillin
68%
Benzathine penicillin
16%
Procaine penicillin
26-year-old man was diagnosed to have MRSA (methicillin resistant staph aureus) infection. Which of the following is most likely to be effective in treating this infection?
Anonymous Quiz
0%
Erythromycin
0%
Clindamycin
92%
Vancomycin
8%
Amoxycillin
man syndrome is a side effect of rapid injection of the following drug:
Anonymous Quiz
83%
Vancomycin
0%
Clindamycin
9%
Metronidazole
9%
Nafcillin
10) An agent that is a beta lactamase inhibitor but has no antibacterial activity by itself is:
Anonymous Quiz
23%
Imipenem
55%
Sulbactam
9%
Monobactams
14%
Ceftriaxone
One of the following drugs is a beta lactam antibiotic:
Anonymous Quiz
90%
Monobactams
0%
Acyclovir
5%
Metronidazole
5%
Gentamicin
The following is a dihydropeptidase inhibitor added to imipenem to protect it from inactivation:
Anonymous Quiz
7%
Sulbactam
7%
Tiecoplanin
86%
Cilastatin
0%
Vancomycin
Select the 3rd generation cephalosporin that can be used safely in patients with renal impairment:
Anonymous Quiz
88%
Ceftriaxone
6%
Cifoxitin
0%
Cefazoline
6%
Carbenicillin
A 66 years old male patient known to be diabetic and hypertensive. was admitted to the hospital with bronchopneumonia; culture revealed Pseudomonas infection. Select the most appropriate b-lactam antimicrobials with antipseudomonal activity.
Aminoglycosides have the following unwanted effects:
Anonymous Quiz
0%
Pancytopenia
89%
Ototoxicity, nephrotoxicity
11%
Hepatotoxic
0%
Imitation of gastrointestinal mucosa
Cariaxone has all the following attributes EXCEPT:
Anonymous Quiz
50%
is classified as a cell wall inhibitor
0%
It can cause thrombophlebitis if given IV
20%
It has attained high cure rates in multi resistant typhoid infections
30%
It penetrates CSF poorly and therefore not effective in meningitis
Teicoplanin has the following feature(s):
Anonymous Quiz
33%
Antimicrobial activity and indications similar to vancomycin
17%
Long elimination half-life
0%
Efficacy in systemic infections by oral route
50%
Both 'A' and 'B' are correct
Cloxacillin is indicated in infections caused by the following organism(S):
Anonymous Quiz
43%
Staphylococci
7%
Streptococci
0%
Gonococci
50%
All of the above
Chloramphenicol produces its antibacterial action by the following mechanism:
Anonymous Quiz
23%
a) Inhibits bacterial cell wall synthesis
0%
Inhibits DNA gyrase enzyme
77%
c) Inhibits bacterial protein synthesis
0%
Inhibits folic acid synthesis
Which of the following antimicrobials inhibits protein synthesis through binding to 50S ribosomal subunits?
Anonymous Quiz
15%
Gentamycin
69%
Erythromycin
8%
Tetracycline
8%
Amoxycillin
34) All the following antimicrobials produce inhibition of HME Except:
Anonymous Quiz
25%
Erythromycin
25%
Chloramphenicol
33%
Azithromycin
17%
Ciprofloxacin
35) Cholestatic jaundice is a possible adverse effect of:
Anonymous Quiz
39%
Brythromycin
24%
Vancomycin
25%
Chloramphenicol
12%
Streptomycin
Which of the following is 1st generation quinolone?
Anonymous Quiz
0%
Ofloxacin
31%
Ciprofloxacin
56%
Nalidixic acid
13%
Levofloxacin
43) Quinolones produce their actions by inhibiting which of the following enzymes?
Anonymous Quiz
64%
DNA gyrase
0%
Transpeptidase
29%
Dihydroptroate synthetase
7%
Dihydropeptidase
The aminoglycoside that can be used in amoebiasis is:
Anonymous Quiz
25%
Paromomycin
42%
Streptomycin
33%
Amikacin
0%
Netilmicin
Streptomycin sulfate is not absorbed orally because it is:
Anonymous Quiz
14%
Degraded by gastrointestinal enzymes
29%
Destroyed by gastric acid
50%
Highly ionized at a wide range of pH values
7%
Insoluble in water