Pharmacology MCQs

Page No. 32

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


aInverse agonist

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b Antagonist

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c Agonist

✓


dPartial agonist

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View Answer Agonist

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


aA normal healthy individual

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b A patient with mild systemic disease

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cA patient with severe systemic disease that it not in capacitating

✓


dNone of the above

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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

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

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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

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b With mild systemic disease

✓


cWith severe systemic disease

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d None of the above

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


aLd50

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bTd50

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cMd50

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d Ed50

✓


View Answer Ed50

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


aIt is useful in emergencies

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bAseptic precautions are required

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cBioavailability is 100%

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dSuspensions can be administered

✓



Teratogenicity results when drugs are given during____________?


a First trimester

✓


bSecond trimester

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cThird trimester

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dSoon after birth

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View Answer First trimester

Therapetic index indicates____________?


aDrug toxicty

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bDrug potency

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cDrug safety

✓


dDrug’s Lethal effect

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View Answer Drug safety

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


aMorbidity index

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bMoratality index

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cAnesthetic ratio

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dTherapeutic index

✓


View Answer Therapeutic index

Km value indicates______________?


aPurity of Enzyme

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b Physiological role

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cHalf life enzymes drug complex

✓


d Affinity

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