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Bioassays are carried out to
Measure the pharmacological activity of a drug Avoid clinical trails for new drugs Detect the impurity in a given drug Screen fro pharmacognetic influences of new drugs |
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Indicate the barbituric acid derivative, which has 4-5 days elimination half-life:
Secobarbital Thiopental Phenobarbital Amobarbital |
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which of the following antitubercular drug contraindicated in pragnancy.
INH ethambutol rifampicin streptomycin |
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Drug effect correlates with plasma drug concentration with:
hit and run drugs digoxin diuretics lignocaine |
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Indicate the agent, which interferes with GABA binding:
Flurazepam Bicuculline Thiopental Zolpidem |
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Which of the following statements is not correct?
Epinephrine acts on both alfa- and beta-receptors Norepinephrine has a predominantly beta action Methoxamine has a predominantly alfa action Isoprenaline has a predominantly beta action |
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Mebendazole is not given in
Intestinal amoebiasis Ascariasis Ancylostoma duodenale Trichurea trichuris |
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Basanti, 23 year old pregnant women presents with features of dilated cardiomyopathy. Which of the following drugs you will not give to treat her
Digoxin ACE Inhibitors Diuretics vasodilators |
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Characteristics of dobutamine include all of the following EXCEPT:
It is a relatively beta1-selective synthetic catecholamine It is used to treat bronchospasm It increases atrioventricular conduction It causes minimal changes in heart rate and systolic pressure |
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Flumazenil blocks the actions of:
Phenobarbital Morphine Zolpidem Ethanol |
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Indicate the sympathomimetic agent, which is combined with a local anesthetic to prolong the duration of infiltration nerve block:
Epinephrine Xylometazoline Isoproterenol Dobutamine |
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Which is a hypnotic agent – a barbituric acid derivative:
Flurazepam Zaleplon Thyopental Triazolam |
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A 5HT receptor agonist useful in migraine is
Sumatriptan Ketanserin Ergotamine Methysergide |
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Beta1 receptor stimulation includes all of the following effects EXCEPT:
Increase in contractility Bronchodilation Tachycardia Increase in conduction velocity in the atrioventricular node |
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Which of the following is an antifungal
Flucytosin Cytosine arabinoside 5 fluourasil Procarbazine |
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The effects of sympathomimetics on blood pressure are associated with their effects on:
The heart The peripheral resistance The venous return All of the above |
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Which of the following is not used in renal failure?
Pefloxacin Cephaloridine Doxycycline Cephaperazone |
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