Drugs acting through receptors exhibit the following features except: A. Structural specificity B. High potency C. Competitive antagonism D. Dependence of action on lipophilicity

Drugs acting through receptors exhibit the following
features except:
A. Structural specificity
B. High potency
C. Competitive antagonism
D. Dependence of action on lipophilicity
by

1 Answer

Answer :

D. Dependence of action on lipophilicity
by

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Which racial difference in response to drugs has been mentioned incorrectly below: A. Africans require higher concentration of atropine to dilate pupils B. Black races are more responsive to antihypertensive action of beta blockers C. Japanese are more prone to develop SMON due to halogenated hydroxyquinolines D. Chloramphenicol induced aplastic anaemia is rare among Indians

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Which of the following drugs is administered by intranasal spray/application for systemic action: A. Phenylephrine B. Desmopressin C. Azelastine D. Beclomethasone dipropionate

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The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of acetylcholine released from motor nerve endings to a wider area activating neighbouring receptors C. Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

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