MCQs

1.Nitroglycerine is denitrated by.

p] @Glutathione q] Glucuronidation r] Acetylation s] Hydroxylation

2.Nucleophilic substitution of the following is a ring opening.

p] Acetates q] Sulfates r] Nitrates s] Epoxides t] @all

3.Major lymphokines involved in delayed hypersensitivity reaction include

p] Interleukin-2 q] Interferon-gamma r] TNF alpha/beta s] @all

4.Following utilized to detect immune complexes.

p] Raji cell test q] Polyethylene glycol-mediated turbidity (nephelometry) binding of C1q r]@ both s] none

5.Arthus reaction is .....hypersensitivity.

p] Type I q] Type II r] @Type III s] Type IV

6.DOC for elevation of cyclic-AMP.

p] epinephrine q] isoproterenol r] phenoxybenzamine s] theophylline t] @all

7.Chromolyn sodium inhibits mast cell degranulation, probably, by inhibiting.

p]@ Ca++ influx q] Na+ influx r] k+influx s] cl- influx

8.DOC for lowering of cAMP.

p]nor-epinephrin q]phenyl-epinephrin r]propanolo s] @all

9.Eosinophils may also control the local reaction by releasing.

p] arylsulphatase q] histaminase r] phospholipase-D s]prostaglandin-E t]@all

10.Leukotriene C4, D4 ARE same as histamine but ......TIMES more potent.

p] 10 q] 100 r] @1000 s] 10000

11.ECF-A is

p] dipeptide q] tripeptide r] @tetrapeptide s] pentapeptide

12.Following is an isomer of lawsone.

p]maple ) q] birch r]beech s] @juglone

13.DOC β-blocking and Ca++-channel blocking activity can worsen heart failure.

p]@propafenone q]moricizine r]flecainide s]mexiletine

14.Following activates plasminogen. Select false.

p]dicumarol q]t- PA r]streptokinase s]@urease