Mcq Subject: Pharmacology
Which of the following is not an established antimicrobial drug synergism at clinical level?
A. Amphotericin B and flucytosine in cryptococcal meningitis
B. Carbenicillin and gentamicin in pseudomonal infections
C. Penicillin and tetracycline in bacterial meningitis
D. Trimethoprim and sulfamethoxazole in coliform infections
View DescriptionWhich one of the following drugs cause hypo magnesemia by increased excretion?
A. Frusemide therapy
B. Cisplatin
C. Digitalis
D. Aminoglycosides
View DescriptionWhich of the following is a mineralocoicoid antagonist ?
A. Spironolactone
B. Inamrinone
C. Nicorandil
D. Ketorolac
View DescriptionRegarding propofol, which one of the following is false :
A. It is used as an intravenous induction agent
B. It causes severe vomiting
C. It is painful on injecting intravenously
D. It has no muscle relaxant property
View DescriptionAll act by inhibiting call wall synthesis except ?
A. Aminoglycoside
B. Penicillin
C. Cycloserine
D. Bacitracin
View DescriptionIn contrast to heparin, enoxaparin:
A. Can be used without monitoring the patient's aPTT
B. Is less likely to have a teratogenic effect
C. Is more likely to be given intravenously
D. Is more likely to cause thrombosis and thrombocytopenia
View DescriptionWhich of the following therapeutic index (T.I.) values represent the greatest safety profile for a drug?
A. 100
B. 1,000
C. 500
D. 2
View DescriptionErgot alkaloid commonly used to prevent postpartum hemorrhage is :
A. Methylergometrine
B. Ergotamine
C. Dihydroergotamine
D. Dihydroergotoxine
View DescriptionIn which type of poisonings is gastric lavage contraindicated?
A. Organophosphorus poisoning
B. Sedative drug poisoning
C. Corrosive acid poisoning
D. Barium carbonate poisoning
View DescriptionWhich of the following is the mechanism of action of methyl dopa?
A. Blockade of beta-adrenergic receptors
B. Agonism of alpha 2 receptors
C. Blockade of alpha 2 receptors
D. Agonism of beta 2 receptors.
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