medical MCQs – Page 60

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 Review each marked answer and report any item that may be outdated or unclear.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

1181. All the following increases drug metabolism by activating cytochrome enzyme, EXCEPT___________?
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A. Phenobarbitone

B. Tetracycline

C. Rifampicin

D. Cimetidine

1182. A patient on digoxin should not be given quindine because______________?
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A. Displaces digoxin from its protein binding sites

B. Decrease the renal clearance of digoxin

C. Displaces digoxine from its tissue binding sites

D. Decreases the plasma potassium level

1183. Allergic reactions depends on all except____________?
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A. Dosage of the drug received

B. previous exposure to the drug

C. Antigen antibody reaction

D. Pharmacological action of the drug

1184. Atypical Antipsychotic are all except______________?
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A. Clozapine

B. Thioridazone

C. Olanzepine

D. Risperidone

1185. Which of the following cannot be used as a surface local anaesthetics ?
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A. Procaine

B. Tetracaine

C. Lidocaine

D. Benzocaine

1186. Drug injury may be caused by therapeutic drugs or______________?
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A. All of the above

B. Allergens

C. Nontherapeutic agents

D. Carcinogens

1187. Drugs showing zero order kinetics of elimination_____________?
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A. Are more common than first order kinetics

B. Show a plot of drug concentration versus time that is linear

C. Have a half life independent of dose

D. Decrease in concentration exponentially with time

1188. Which of the following is a leukotriene antagonist ?
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A. Zileuton

B. Montelukast

C. Nedocromil

D. Misopristol

1189. Naturally occurring local anaesthetic________________?
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A. None of the above

B. Lignocaine

C. Cocaine

D. Procaine

1190. All of the following statements about pain are correct except_____________?
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A. Naloxane is a non-competitive antagonist and irreversibly opposes the opioids

B. Analgesia is associated with ? and k receptors

C. NSAIDS benefit by preventing prostaglandin synthesis

D. Dysphoria is associated with S receptors

1191. Verrils sign is seen in_________________?
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A. Digitalis toxicity

B. Diazepam administration

C. Pagets disease

D. Unconscious states

1192. Methemoglobinemia is a complication following the administration of_____________?
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A. Benzacaine

B. Procaine

C. Prilocaine

D. Lignocaine

1193. All of the following are true except____________?
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A. A special application of dantrolene is used to treat malignant hyperthermia

B. Thalidomide is used for the treatment of leprosy

C. Allopurinol is a derivative of 8-mercaptopurine

D. Interferons have a role in immunology of cancer

1194. INFLIXIMAB (systemic) is used in_____________?
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A. Rheumatoid arthritis (treatment)

B. All of the above

C. To reduce the number of draining enterocutaneous fistula(s) in patients with fistulizing crohns disease

D. Crohns disease (treatment)

1195. Finasteride is a ?
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A. 5 alpha reductase inhibitor

B. PDE inhibitor

C. Androgen receptor blocker

D. Alpha blocker

1196. A drug A & B compared, all are true except____________?
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A. 1 mg of A cause effect not caused by 1 mg of B so A is more efficacious

B. 1 mg of A causes same effect of 3 mg of B, so A is more potent

C. Efficacy is not dose dependent

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

1197. Which of the following is a mismatch ?
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A. Naloxone-Tricyclic antidepressant

B. Acetaminophen anti inflammatory

C. Herbicide and earth materials allergies

D. Warfarin- Oral anticoagulant

1198. American society of anesthesiologists physical status classification system, P2 is a is a patient who______________?
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A. With severe systemic disease

B. Is healthy

C. With mild systemic disease

D. None of the above

1199. Combination of ampicillin and gentamicin is an example of_____________?
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A. Synergy

B. Indifference

C. Bacterial symbiosis

D. Antagonism

1200. When a drug creates an effect that is unpredictable and unique it is termed as____________?
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A. Side effect

B. Idiosyncratic effect

C. Drug on Drug effect

D. Toxicity effect

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