Pharmacology MCQs

Page No. 32

Drug binds to activate the receptor is same fashion, which directly or indirectly brings effect, is_____________?


aInverse agonist


b Antagonist


c Agonist


dPartial agonist


View Answer Agonist

According to American society of Anesthetists, physical status scale Class III would be_____________?


aA normal healthy individual


b A patient with mild systemic disease


cA patient with severe systemic disease that it not in capacitating


dNone of the above



A drug A & B compared, all are true except____________?


a1 mg of A causes same effect of 3 mg of B, so A is more potent


b 1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious


c1 mg of A cause effect not caused by 1 mg of B so A is more efficacious


dEfficacy is not dose dependent



American society of anesthesiologists physical status classification system, P2 is a is a patient who______________?


aIs healthy


b With mild systemic disease


cWith severe systemic disease


d None of the above



The dose of a drug required to produce a specified effect in 50% of the population is_____________?


aLd50


bTd50


cMd50


d Ed50


View Answer Ed50

The following statements are true about intravenous route of drug administration EXCEPT____________?


aIt is useful in emergencies


bAseptic precautions are required


cBioavailability is 100%


dSuspensions can be administered



Teratogenicity results when drugs are given during____________?


a First trimester


bSecond trimester


cThird trimester


dSoon after birth


View Answer First trimester

Therapetic index indicates____________?


aDrug toxicty


bDrug potency


cDrug safety


dDrug’s Lethal effect


View Answer Drug safety

The ratio of the median lethal dose of the median effective dose is the_____________?


aMorbidity index


bMoratality index


cAnesthetic ratio


dTherapeutic index


View Answer Therapeutic index

Km value indicates______________?


aPurity of Enzyme


b Physiological role


cHalf life enzymes drug complex


d Affinity



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