medical MCQs – Page 62

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

1221. Aspirin acts on which part of brain ?
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A. Cortex

B. Limbic system

C. Substantia gelatinosa

D. Medulla

1222. The drug not belonging to amide group_______________?
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A. Procaine

B. Bupivacaine

C. Xylocaine

D. Lignocaine

1223. 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. Ondansetron

B. Atropine

C. Metoclopramide

D. Sodium citrate

1224. Not true about penicillin G is______________?
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A. Destroyed by gastric acid

B. More concentrated in prostatic secretions and intraocular fluids

C. Very active against sensitive gram positive cocci

D. Used for treatment of meningococcal meningitis

1225. Which of the following drugs to not require a change in their dosage in patients with renal failure_______________?
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A. Aminoglycoside

B. Cefotaxime

C. Isoniazid

D. Rifampicin

1226. Following drug which undergo most of its metabolism presystemically______________?
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A. Paracetamol

B. Salbutamol

C. Propranolol

D. Verapamil

1227. Less gastrointestinal bleed is seen in the following NSAID_______________?
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A. Ibuprofen

B. C0X2 specific inhibitors

C. Naproxen

D. Meloxicam

1228. Which of the following is an irreversible side enact resulting from long term administration of phenothiazline antipsychotics__________________?
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A. Parkinsonism

B. Infertility

C. B & C

D. Tardive dyskinesia

1229. Drugs that does not cross Blood Brain Barrier______________?
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A. Atropine

B. Physostigmine

C. Scopolamine

D. Neostigmine

1230. Which drugs had high first pass effect_____________?
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A. Disorpyamide

B. Verapamil

C. Phenytoin

D. Amiodarone

1231. Which of the following is true for carbonic anhydrase inhibitor ?
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A. It causes excertion of Na & Cl

B. It is very potent

C. It causes metabolic alkalosis

D. It is used as an adjunct in epilepsy

1232. All are symptoms of opiate withdrawls except______________?
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A. Diarrhea

B. Excessive speech

C. Mydriasis

D. Lacrimation

1233. Which of the following drugs cannot reduce the salivary secretions ?
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A. Disopyrmide

B. Atenolol

C. Neostigmine

D. Amitriptyline

1234. Side of action of muscle selanant is______________?
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A. Myoneural junction

B. Central

C. Ascending reticular

D. Red nucleus activating system

1235. Therapeutic index is____________?
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A. ED50/LD50

B. ED 100/LD 100

C. LD 100/Ed100

D. LD 50/ED500

1236. Which of the following anesthetic drugs produces powerful stimulation of the cerebral cortex_____________?
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A. Tetracaine

B. Cocaine

C. Lidocaine

D. Procaine

1237. Action of tannic acid is_______________?
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A. All of the following

B. Astrigent

C. Styptic

D. Blood coagulant

1238. Which drug may be administered even when the patient is on alcoholic beverages ?
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A. Animal charcoal

B. Cefixime

C. Chloral hydrate

D. Glibenclamide

1239. Which among the following anti-histamines, is Least likely to cause sedation_____________?
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A. Promethazine

B. Diphenhydramine

C. Hydroxyzine

D. Loratidine

1240. Which of the following inhalational agents is the induction agent of choice in children______________?
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A. Sevoflurane

B. Desflurane

C. Isoflurane

D. Methoxyflurane

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