pharmacology MCQs – Page 4

Practise focused pharmacology questions with marked answers for exam preparation and subject revision.

pharmacology Mcqs
61. Aspirine is useful in all the following conditions EXCEPT_____________?
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A. Gout

B. Fever

C. Post myocardial infarction

D. Venous thrombosis

62. A paralyzing dose of succinylcholine initially elicits______________?
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A. Muscle fasciculation

B. CNS stimulation

C. CNS depression

D. Decreased salivation

63. Drug which is used to control status epilepticus is______________?
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A. Pheno barbital

B. Diazepam

C. Sodium nitroprusside

D. Glyceryl trinitrite

64. The beneficial effect of drug neostigmine in the treatment of Myasthenia gravis is due to the action____________?
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A. It produces more acetycholine receptors

B. It increases the action of cholinesterase

C. It is produces more acetylcholine

D. It inhibits the action of cholinesterase
65. In which of the following stage general anesthesia surgery is done_______________?
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A. Stage III plane 3

B. Stage I

C. Stage II

D. Stage III plane 2

66. Nitrates are not used in______________?
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A. Esophageal spasm

B. Cyanide poisoning

C. CCF

D. Renal colic
67. Which of the following histamine blockers has no effect on muscarinic receptors______________?
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A. Terfenadine

B. Diphenydramine

C. Promethazine

D. Pyrilamine

68. Drug efficacy refers to_________________?
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A. The therapeutic index of the drug

B. Range of disease in which the drug beneficial

C. The therapeutic does range of the drug

D. Maximal intensity of response that can be produced by the drug
69. Which one of the following drugs has been shown to offer protection from gastric aspiration syndrome in a patient with symptoms of reflex ?
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A. Sodium citrate

B. Ondansetron

C. Metoclopramide

D. Atropine

70. Elimination after 4 half lives in first order kinetics is____________?
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A. 93%

B. 84%

C. 80.50%

D. 4.75%

71. Which of the following is true for carbonic anhydrase inhibitor ?
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A. It causes excertion of Na & Cl

B. It causes metabolic alkalosis

C. It is very potent

D. It is used as an adjunct in epilepsy
72. A factor with a mucopoly saccaride, present in liver, presenting in platelet aggregation is______________?
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A. Prothrombin

B. Acetylsalicylic acid

C. Plasmin

D. Heparin
73. The most common type of epilepsy in children is________________?
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A. Infantile spasm

B. Grand mal epilepsy

C. Petit mal

D. None of the above

74. According to American society of Anesthetists, physical status scale Class III would be_____________?
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A. A normal healthy individual

B. A patient with severe systemic disease that it not in capacitating

C. A patient with mild systemic disease

D. None of the above

75. Idiosyncracy is known as to have_____________?
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A. Genetic component

B. Nutritional component

C. Psychological component

D. Psysiological component

76. The ratio of the median lethal dose of the median effective dose is the_____________?
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A. Morbidity index

B. Therapeutic index

C. Moratality index

D. Anesthetic ratio

77. Which of the following is not an antimigraine agent ?
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A. Flunarizine

B. Propanolol

C. Divalprox sodium

D. Zonisamide
78. Which of the following is a non steroidal anti inflammatory agent with a tendency to produce blood dyscrasias ?
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A. Ibuprofen

B. Aspirin

C. Indomethacin

D. B & C
79. Drug which crosses placental barrier is____________?
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A. All of the above

B. phenytoin

C. Corticosteroids

D. Diazepam

80. Digitalis induced automaticity is enhanced by______________?
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A. Low K+ levels

B. High K+ levels

C. High Na+ levels

D. High Ca2+ levels