medical MCQs – Page 476

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 Review each marked answer and report any item that may be outdated or unclear.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

9501. Which of the following drugs undergoes Hoffmann elimination ?
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A. d-tubecurarine

B. Acetazolamide

C. Atracurium

D. Acetycholine

9502. Drugs producing ototoxicity and Nephro toxicity are______________?
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A. Macrolides

B. Tetracyclines

C. Quinalones

D. Aminoglycosides

9503. Granesetron, the antiemetic properties because of____________?
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A. Gaba-inhibitory actions

B. Dopaminergic receptor blocking actions

C. Gabamimetic actions

D. Serotonin receptor blocking action

9504. The drug of choice in the management of life threatening allergic reaction is______________?
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A. Diazepam

B. Corticosteroids

C. Antihistamines

D. Adrenalin

9505. The oral microblal fiora of a patient on prolonged broad spectrume antibiotic therapy is predominantly____________?
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A. Anaerobic

B. Gram positive organism

C. Gram negative organisms

D. Yeast and fungi

9506. Which antibiotic is effective against pseudomonas and indole +ve proteus ?
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A. Oxacillin

B. Lincomycin

C. Methicillin

D. Carbenicillin

9507. In treating Xerostomia, Which of the following might be prescribed ?
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A. Atropine

B. Scopalamine

C. Neostigmine

D. Ephedrine

9508. Identify the factors which decrease the effect of Oral anticoagulants_______________?
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A. Pregnancy

B. Nephrotic syndorme

C. Newborn

D. Liver disease

E. Both A & B

9509. Drugs causing hyperglycemia_______________?
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A. Glucocorticoids

B. a-blockers

C. Acetylcholine

D. B-blocker

9510. Dry mouth during antidepressant therapy is caused by blockade of______________?
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A. Dopaminergic receptors

B. Serotonergic receptors

C. Muscarinic acetylcholine receptors

D. GABA receptors

9511. The drug for choice for treatment of infection involving non-penicillinase producing staphylococcus is___________?
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A. Penicilling G

B. Ampicillin

C. Erythromycin

D. Methicillin sodium

9512. Desfuroxamide is a drug used for____________?
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A. Kala azar

B. Pernicious anaemia

C. Pain control

D. Thalassemia

9513. The drug which is used to treat laryngospasm is_______________?
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A. Atropine

B. Neostigmine

C. Diazepam

D. Succinylcholine

9514. Mode of action of sulphonyl ureas includes all the following except______________?
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A. Decreasing Glucose absorption from the qut

B. Inhibiting gluconeogenesis in liver

C. Activating receptors on beta cells of pancreas to release insulin

D. Enhancing insulin mediated post receptor enzyme reaction

9515. Oral infection by penicillinase producing organisms should be treated with____________?
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A. Ampicillin

B. Dicloxacillin

C. Erythromycin

D. Any of the above

9516. The antibiotic of choice in patients sensitive to penicillin is___________?
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A. Tetracycline

B. Chloramphenicol

C. Erythromycin

D. Streptomycin

9517. Tetracycline in children causes____________?
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A. Peg teeth

B. Calcification

C. Discolored teeth

D. Missing teeth

9518. The intramuscular administration of 0.6 mg of atropine sulphate to a 50 kg adult may produce all of the following effects except_____________?
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A. Bradycardia

B. Decreased Sweating

C. Mydriasis

D. Decreased Salivation

9519. The therapeutic advantage that pencillin V has over pencillin G is____________?
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A. Greater resistance to pencillinase

B. More reliable oral obsorption

C. Broader antibacterial spectrum

D. Slower renal excretion

9520. Which of the following penicillins is given by oral route ?
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A. Benzathine penicillin

B. Procaine pencillin

C. Penicillin V / Phenoxymethyl penicillin

D. Benzyl penicillin

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