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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

Which of the following general anesthetics is given by intravenous route ?
A Propofol
B Sevofluorane
C Naloxane
D Flumizenil
Correct Answer: Propofol
Which of the following drugs undergoes “Hoffmann elimination” ?
A d-tubecurarine
B Acetycholine
C Atracurium
D Acetazolamide
Correct Answer: Atracurium
While performing a procedure, a resident doctor injures herself with a suture needle that has been used to stitch a patient with HIV infection for 11 years. He has been complaint with therapy for several years and has recently changed tablets because of alteration in his appearance. His last CD4 count was 360 cells/mm. The doctor is offered post exposure prophylaxis. Which regimen should she take ?
A Ziduvidine and Lamivudine
B Ziduvidine and Lamivudine and Indivair
C Ziduvidine and Lamivudine and Stavudine
D Ziduvidine and Lamivudine and Abacavir
Correct Answer: Ziduvidine and Lamivudine
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
Correct Answer: Inhibiting the binding of aminoacyl tRNA to the ribosomal complex
Which of the following is not uridopenicillin ?
A Piperacillin
B Mezlocillin
C Azlocillin
D Flucloxacillin
Correct Answer: Flucloxacillin
Roxithromycin is______________?
A A long acting macrolide
B Short action quinolone
C Short acting macrolide
D Long acting polypeptide
Correct Answer: A long acting macrolide
Not true about piperacilline is_______________?
A Active against pseudomonas aeruginose
B Inhibits Beta-lactamase
C It is a ureido penicillin
D Given parenterally
Correct Answer: Inhibits Beta-lactamase
1st generation cephalosporin is________________?
A Cephadroxil
B Cefepime
C Cefotaxime
D Cefoperazone
Correct Answer: Cephadroxil
Which of the following is beta-lactam antibiotic ?
A Sulphonamide
B Carbamide
C Cephalosporins
D Ofloxacin
Correct Answer: Cephalosporins
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
Correct Answer: Inhibition of cell wall peptidoglycan synthesis by competitive inhibition of transpetidases
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