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Mcqs MBBS Exams India
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(Single Best Answer) Question 11: Which one of the following local anaesthetics is highly cardio-toxic ?
A) Lignocaine
B) Procaine
C) Mepivacaine
D) Bupivacaine
Answer (Select an option above to get the answer):
(Single Best Answer) Question 12: Which one of the following local anaesthetics is highly cardio-toxic ?
A) Lignocaine
B) Procaine
C) Mepivacaine
D) Bupivacaine
Answer (Select an option above to get the answer):
(Single Best Answer) Question 13: Anti-tubercular drug susceptibility can be done by all of the following methods, except ?
A) Resistance ratio method
B) Disc diffusion method
C) Molecular method
D) Radiometric broth method
Answer (Select an option above to get the answer):
(Single Best Answer) Question 14: Which one of the following substances is the most potent androgen ?
A) Dihydroepiandrostendione
B) Dihydrotestosterone
C) Androstendione
D) Testosterone
Answer (Select an option above to get the answer):
(Single Best Answer) Question 15: Nevirapine is a ?
A) Protease inhibitor
B) Nucleoside reverse transcriptase inhibitor
C) Non-nucleoside reverse transcriptase inhibitor
D) Fusion inhibitor
Answer (Select an option above to get the answer):
(Single Best Answer) Question 16: Which is the enzyme inhibited by aminophylline ?
A) Monoamine oxidase
B) Alcohol dehydrogenase
C) Cytochrome p-450
D) Phosphodiesterase
Answer (Select an option above to get the answer):
(Single Best Answer) Question 17: Following drugs are immunosuppressive drug except ?
A) Cyclosporin
B) Cefaclor
C) Azathioprine
D) Steroids
Answer (Select an option above to get the answer):
(Single Best Answer) Question 18: A patient with cancer received extreme degree of radiation toxicity. Further history revealed that the dose adjustment of a particular drug was missed during the course of radiotherapy. Which one of the following drugs required a dose adjustment in that patient during radiotherapy in order to prevent radiation toxicity ?
A) Vincristine
B) Dactinomycin
C) Cyclophosphamide
D) 6 - Mercaptopurine
Answer (Select an option above to get the answer):
(Single Best Answer) Question 19: The afferent nerve fibres which are most sensitive to local anaesthetic belong to Group ?
A) A
B) B
C) C
D) D
Answer (Select an option above to get the answer):
(Single Best Answer) Question 20: The neuromuscular blocking action of curare is brought about by ?
A) Blocking acetylcholine synthesis
B) Preventing the release of acetylcholine
C) Causing persistent depolarization
D) Competitive inhibition
Answer (Select an option above to get the answer):