pharmacology MCQs – Page 13

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

pharmacology Mcqs

241. Which of the following can be given safely to a patient of congestive heart failure________________?
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A. Diclofenac sodium

B. Paracetamol

C. Ibuprofen

D. Aspirin

242. Which one is not converted to an active metabolite ?
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A. Fosinopril

B. Lisinopril

C. Quinapril

D. Benzopril

243. Which of the following is used in the prophylaxis of migraine ?
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A. Carbamazepine

B. Phenobarbitone

C. Ethosuxamide

D. Topiramate

244. Which antisialagogue is contraindicated in glaucoma_____________?
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A. Ephederine

B. Propranolone

C. Atropine

D. Morphine

245. IV ultrashort acting barbiturate_____________?
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A. Phenobarbitone

B. Thiopentone

C. Meprobamate

D. Pentobarbitone

246. Chloroxylenol has_______________?
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A. Local anesthetic property

B. Antibiotic action

C. Local anesthetic and antiseptic action

D. Antiseptic action

247. Allergic reactions depends on all except____________?
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A. Pharmacological action of the drug

B. Antigen antibody reaction

C. previous exposure to the drug

D. Dosage of the drug received

248. The dentist who first used Nitrous oxide for the abolition of pain due to dental extraction was_____________?
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A. Horace wells

B. Hunter John

C. Harpes David

D. Harvey william

249. All of the following statements regarding biovailability of a drug are true except______________?
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A. Low oral biovailability always and necessarily mean poor absorption

B. It is the proportion (fraction) of unchanged drug that reaches the systemic circulation

C. Biovailability of an orally administered drug can be calculated by comparing the area under cure (o-a) after oral and intravenous (IV) administration

D. Biovailability can be determined from plasma concentration or urinary excretion data

250. Which one of the following drugs is most commonly employed in an attack of angina pectoris ?
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A. Epinephrine

B. Sodium nitrate

C. Isosorbide dinitrate

D. Nitroglycerina

251. Which of the following anti-epileptic agents causes the reversible side-effect of gingival hyperplasia ?
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A. Phenobarbitone

B. None of the above

C. Sodium valporate

D. Ethosuximide

252. Which of the following is not true about ACE inhibitors ?
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A. Postural hypotension is seen

B. Used in asthma

C. Na level decrease

D. Increase quality of life

253. Relative contraindications for the administration of Ketamine hydrochioride include all of the following EXCEPT ?
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A. Age < 5 years

B. History of epilepsy

C. Recent anterior myocardial infarction

D. Raised intracranial tension

254. Which factor of the following contributes to short duration of anesthetic action of single dose thiopental_____________?
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A. Rapid biotransformation

B. Ability to enter and leave brain tissue every rapidly

C. Rapid accumulation in body fat

D. High lipid solubility

255. The principle central action of caffeine is on the________________?
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A. Spinal cord

B. Hypothalamus

C. Corpus callosum

D. Cerebral cortex

256. Which of the following is not true for histamine ?
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A. Causes pain when injected subcutaneously

B. Causes arteriolar dialation

C. Is released following injury and in certain allergic responses

D. causes bronchodialtion

257. Which among the following anti-histamines, is Least likely to cause sedation_____________?
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A. Hydroxyzine

B. Diphenhydramine

C. Promethazine

D. Loratidine

258. Which of the following sympathominetic agents is the most bronchodilator_____________?
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A. Amphetamine

B. Isoproterenol

C. Phenylephrine

D. Nor epinephrine

259. A 50 year old female with end stage renal disease (ESRD) develops pulmonary tuberculosis. Which one of the following drugs should be used in a reduced dose ?
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A. Pyrazamide

B. Rifampicin

C. Isoniazide

D. Ethambutol

260. All of the following are vasodilators except______________?
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A. Procaine

B. Cyclopropane

C. Etomidate

D. Cocaine

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