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Antidote of Digoxin
Potassium Lignocaine Fab fragment Propanolol |
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Indicate a beta receptor antagonist with intrinsic sympathomimetic activity:
Propranolol Oxprenolol Metoprolol Carvedilol |
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Which of the following agents is a beta2–selective antagonist?
Tolazolin Pindolol Ergotamin Butoxamine |
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Cocaine causes:
vasoconstriction and hypertension vasoconstriction followed by vasodilatation vasodilatation followed byv.constriction vasodilatation and hyptension |
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Succinylcholine MOA is:
directly acting muscle relaxation depolarizing blocker competitive blocker none of the above |
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Ciprofloxacin act by
Inhibiting protein synthesis Inhibiting DNA function Inhibiting cell wall synthesis Inhibiting glycolysis |
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Characteristics of ephedrine include all of the following EXCEPT:
It acts primarily through the release of stored cathecholamines It is a mild CNS stimulant It causes tachyphylaxis with repeated administration It decreases arterial pressure |
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Indicate a beta1-selective receptor antagonist, which has very long duration of action:
Betaxolol Sotalol Nadolol Metoprolol |
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What is not true of bupivacaine
Less cardio toxic than lignocaine Long acting Mixing with adrenaline helps to use higher amount of it Used for regional anesthesia |
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2-iminothiazolidine is treated with phenyloxirane to get a drug used in roundworm infection is
piperazine tetramisole thiabendazole levamisole |
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Which of the following sympathomimetics is a beta2-selective agonist?
Terbutaline Xylometazoline Isoproterenol Dobutamine |
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Which type of immunoglobulin level will increase when an individual is exposed to a parasite? |
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Beta-blocking drugs-induced chronically lower blood pressure may be associated with theirs effects on:
The heart The blood vessels The renin-angiotensin system All of the above |
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A direct way of studying idiosyncratic reactions to a given drug is by
changing the route of drug administration changing the assay method pharmacogenomics structure activity relationship studies of a family of compounds |
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Which of the following topical decongestant agents is an alfa2-selective agonist?
Phenylephrine Xylometazoline Ephedrine Epinephrine |
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Which is the competitive antagonist of BZ receptors:
Flumazenil Picrotoxin Zolpidem Temazepam |
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Which of the following is a drug with high therapeutic index?
Penicillin Chloremphenicol Tetracycline Erythromycin |
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Which of the following hypnotic agents is a positive allosteric modulator of GABAA receptor function?
Zaleplon Flurazepam Zolpidem All of the above |
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DOC for cisplatin induced vomitting:
metaclopramide domperidone ondansetron prochlorperazine |
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Which of the following statements is not correct?
There are at least three subtypes of alfa1 receptors, designated alfa1a, alfa1b and alfa1d ALFA1a subtype mediates prostate smooth muscle contraction ALFA1b subtype mediates vascular smooth muscle contraction ALFA1a subtype mediates both vascular and prostate smooth muscle contraction |
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