Test Your Knowledge - PHARMACOLOGY MCQ PRACTICE
by Saksham Chaudhry : Lancers Convent, Prashant Vihar, New Delhi 110085
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A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. In a case of severe allergic reaction with bronchospasm the drug needing to be injected first is :
A. Antihistamine 
B. Corticosteroid 
C. Adrenaline 
D. Aminophylline 

2. CNS stimulant action of nikethamide has target cells mainly in :
A. Cerebral cortex 
B. Medulla 
C. Spinal cord 
D. Pons 

3. The term pinocytosis refers to :
A. Shrinkage of the size of a cell to less than one-fourth its usual size 
B. Transformation of the vegetative form of amoeba into cystic form 
C. Ability of cells to engulf small droplets 
D. Ability of cells to shrink in size and be taken up by giant cells 

4. True regarding Phenytoin is ? :
A. It is excreted unchanged 
B. It shows Zero order kinetics 
C. It is not teratogenic 
D. C 

5. Probenecid enhances the half-life of penicillin by :
A. Inhibiting penicillinase production 
B. Destroying penicillinase 
C. Competitive inhibition of penicillinase action 
D. Diminishing glomerular filtration 

6. Sulphonamides are metabolised mainly by :
A. Hydrolysis 
B. Acetylation 
C. Oxidation 
D. Methylation 

7. The penicillin with longest duration of action is :
A. Potassium phenethicillin 
B. Benethamine penicillin 
C. Procaine penicillin 
D. Benzathine penicillin 

8. The chemical name of Heroin is:
A. Methyldihydromorphinone 
B. Dihydromorphinone 
C. Diacetylmorphine 
D. N-allylnormorphine 

9. Propantheline is a :
A. Sympathomimetic drug 
B. Sympatholytic drug 
C. Parasympathomimetic drug 
D. Parasympatholytic drug 

10. Amyl nitrite is usually administered by :
A. Ingestion 
B. Sublingual route 
C. Inhalation 
D. Sub-cutaneous route 

11. The urinary excretion of salicylates and barbiturates is highest at urine pH :
A. Less than 5 
B. 5-6 
C. 6-7 
D. More than 7 

12. D-Lysergic acid, a component of 'LSD-25' is also a chemical component of an alkaloid of :
A. Opium 
B. Ergot 
C. Tobacco 
D. Cinchona 

13. Prothrombin is :
A. A complex protein 
B. A polypeptide 
C. An enzyme 
D. A fatty acid derivative 

14. Isoniazid therapy in tuberculosis requires simultaneous administration of :
A. Thiamine 
B. Riboflavine, 
C. Nicotinic acid 
D. Pyridoxine 

15. Administration of sulphonamide may intensify the action of tolbutamide through :
A. Synergistic action 
B. Facilitating the absorption of tolbutamide 
C. Competing with tolbutamide in plasma protein binding 
D. Direct effect on utilization of glucose 

16. The anticoagulant induced hypoprothrombinaemia is most rapidly reversed by :
A. Dextran 
B. Haemaccel 
C. Normal Saline 
D. Fresh blood or plasma 

17. Repeated administration of acetophenetidin has adverse effect upon :
A. A . Kidney 
B. Liver 
C. Eye sight 
D. Hearing 

18. The metal useful in the treatment of rheumatoid arthritis is :
A. Silver 
B. Iron 
C. Copper 
D. Gold 

19. Atropine antagonises the action of acetylcholine by :
A. Chemical interaction leading to destruction of acetyl choline 
B. Chemical union leading to inactivation 
C. Opposite effect on the motor nerve plate 
D. Competitive inhibition of the action of acetylcholine on motor nerve plate 

20. Apart from its prophylactic value in influenza, amantadine is useful in the treatment of :
A. Disseminated sclerosis 
B. Parkinsonism 
C. Pseudohypertrophic muscular dystrophy 
D. Poliomyelitis 

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