medical MCQs – Page 463

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 Review each marked answer and report any item that may be outdated or unclear.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

9241. Heroin, an addict drug contains______________?
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A. Pentazocine

B. ASA

C. Acetyl morphine

D. Propoxyphene

9242. Which of the following drugs is least efficacious in the treatment of cemporal lobe epilepsy ?
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A. Phenobarbitone

B. Phenytoin sodium

C. Carbamazepine

D. Primidone

9243. All of the following are predominant arteriolar dilators except____________?
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A. Nifedipine

B. Sodium Nitro prusside

C. Hydrallazine

D. Nitrates

9244. A prodrug is____________?
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A. The oldest member of a class of drugs

B. The proto type member of a class of drugs

C. A drug that is stored in body tissues and is then gradually released in the direction

D. An inactive drug that is transformed in the body to an active metabolite

9245. Toxic optic neuropathy can be caused by all of the following EXCEPT____________?
0

A. Ethylene glycol

B. Tetracycline

C. Ethambutol

D. Ciprofloxacin

9246. Salicylate administration is contraindicated in pregnancy because_______________?
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A. Readily croses placental barrier

B. Causes pulmonary hypertension of newborn

C. It delay onset of labour

D. All of these

9247. A patient has had an allergic reaction with Urticarlia and wheezing. The drug of choice will be_____________?
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A. Epinephrine

B. Succinylcholine

C. Hydrocortisone

D. All of the above

9248. Magnesium and Aluminium are added in Antacid because_____________?
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A. Mg Causes constipation, Al causes diarrhoea

B. Mg Causes Diarrhoea, Al Causes Constipation

C. Mg act as buffering agent and Al antagonize its action

D. Both increase gastric motility

9249. The most important property in determining the induction of a general anaesthetic agent is_____________?
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A. Alveolar exchage

B. Pulmonary ventilation

C. solubility of anaesthetic in tissue

D. Solubility of anaesthetic in blood

9250. A patient, without prior medication, breathes a gas mixture consisting of 50 percent nitrous oxide and 50 percent oxygen by volume. Which of the following effects would be expected_____________?
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A. Respiratory arrest

B. Excitation

C. Surgical anesthesia

D. Analgesia

9251. Which drug may be administered even when the patient is on alcoholic beverages ?
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A. Animal charcoal

B. Glibenclamide

C. Chloral hydrate

D. Cefixime

9252. Drugs that does not cross Blood Brain Barrier______________?
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A. Atropine

B. Scopolamine

C. Physostigmine

D. Neostigmine

9253. Which drugs had high first pass effect_____________?
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A. Amiodarone

B. Phenytoin

C. Disorpyamide

D. Verapamil

9254. Less gastrointestinal bleed is seen in the following NSAID_______________?
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A. Naproxen

B. Ibuprofen

C. C0X2 specific inhibitors

D. Meloxicam

9255. Therapeutic index is____________?
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A. ED 100/LD 100

B. LD 100/Ed100

C. LD 50/ED500

D. ED50/LD50

9256. I.V anesthesia is_________________?
0

A. Propofol

B. Flumazanil

C. Naloxane

D. Sevoflurane

9257. A dentist who first used ether as a general antithetic was_____________?
0

A. Morrison

B. Martin

C. Morton

D. Murray

9258. Which of the following drug is given for treating hypertensive crisis_______________?
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A. Isosobide dinitrate

B. Verapamil

C. Digoxin

D. NIfedipine

9259. What is the advantage of sublingual route of administration of drugs_____________?
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A. Can be spitted out with signs of toxicity

B. Easy to administer

C. prevents or bypasses first pass effects

D. Lipid soluble

9260. Dermatologic manifestation of drug allergy are managed by_____________?
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A. Pirenzepine

B. Ranitidine

C. Chlorpheniramine

D. Lorazepam

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