Download MBBS 2nd Year 2023 July 526061 Pharmacology I Mcqs MCQs Question Paper

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THE TAMIL NADU DR. M.G.R. MEDICAL UNIVERSITY

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[MBBS 0723] JULY 2023 Sub. Code : 6061

M.B.B.S. DEGREE EXAMINATION

(For the candidates admitted from the Academic Year 2019-2020)

SECOND YEAR - (CBME)

PAPER I - PHARMACOLOGY -1

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O.P. Code: 526061

Time: 30 Minutes Maximum : 20 Marks

Answer All Questions

Choose one correct answer in the box provided in the Answer Script.

No overwriting should be done. Choice should be given in Capital Letters.

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I. Multiple Choice Questions: (20x1=20)

1. Choose a drug that has long plasma half life
   A) Dopamine B) Alteplase C) Chloroquine D) Esmolol
2. Therapeutic drug monitoring is required for
   A) Drugs with Low safety margin B) Hit and run drugs
   

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   C) Drugs whose response is measurable D) Drugs that develop tolerance
3. Selective Beta₂ stimulant used as uterine relaxant is
   A) Ephedrine B) Brimonidine C) Clonidine D) Isoxsuprine
4. Most preferred drug in Chronic congestive cardiac failure is
   A) Dopamine B) Enalapril C) Prazosin D) Nifedepine

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5. First line drug in open angle glaucoma is
   A) Latanoprost B) Pilocarpine C) Acetazolamide D) Dipivefrine
6. One of the following is a contraindication to Beta blockers
   A) Cirrhosis B) Alcohol withdrawal
   C) Heart block D) Esophageal varices

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7. Atropine substitute preferred in Bronchial asthma is
   A) Glycopyrrolate B) Ipratropium C) Tropicamide D) Benztropine
8. Coronary steal phenomenon is seen with
   A) Dipyridamole B) Diltiazem C) Propranolol D) Verapamil
9. Sumatriptan is an agonist at which serotonergic receptor
   

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   A) 5-HT_1A B) 5-HT_1D C) 5-HT_2A D) 5HT_1C
10. Uricosuric drug used to treat chronic gout among the following is
    A) Allopurinol B) Cochicine C) Febuxostat D) Probenecid
11. More cardiotoxic local anaesthetics is
    A) Bupivacaine B) Lignocaine C) Prilocaine D) Procaine

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12. Flumazenil is the antagonist of
    A) Phenobarbitone B) Diazepam C) Morphine D) Phenytoin
13. The orally active H₁ Histamine analogue used in vertigo is
    A) Betahistine B) Diphenhydramine
    C) Clemastine D) Rupatadine

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14. The preferred general anaesthetic in children is
    A) Thiopentone sodium B) Isoflurane C) Sevoflurane D) Propofol
15. Typical anti-psychotic less prone for extra pyramidal side effect
    A) Chlorpromazine B) Thioridazine C) Fluphenazine D) Trifluoperazine
16. Digoxin acts by inhibiting
    

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    A) H⁺ K⁺ ATPase B) Na⁺ K⁺ 2Cl^- co-transport
    C) Na⁺ Cl^- symport D) Na⁺K⁺ ATPase
17. Dabigatran is
    A) Direct factor Xa inhibitor B) Thromboxane synthesis inhibitor
    C) Direct thrombin inhibitor D) Phosphodiesterase inhibitor

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18. Contraindication for use of ACE inhibitor
    A) Bilateral renal artery stenosis B) Diabetic nephropathy
    C) Left ventricular hypertrophy D) Congestive cardiac failure
19. Drug of choice in lithium-induced nephrogenic diabetes insipidus
    A) Furosemide B) Acetazolamide C) Amiloride D) Mannitol

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20. Drug of choice in malignant hyperthermia
    A) Baclofen B) Dantrolene C) Tizanidine D) Chlorzoxazone.

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