MCQ 21

Aspirin: 
a) Selective inhibitor of both COX-1 and COX-2
b) Antiplatelet effect lasts for the life time of platelets, approximately 7-10 days
c) Plasma half life is 1 hour
d) Does not prolong bleeding time




Answer: b (Antiplatelet effect lasts for the life time of platelets, approximately 7-10 days)

MCQ 17:

Mechanism of Action of Dopexamine is:
(a)- Stimulation of Beta 1 adrenergic and Dopamine receptors
(b)- Stimulation of Beta 2 adrenergic and Dopamine receptors
(c)- Inhibition of Beta 1 adrenergic receptors and Stimulation of Dopamine receptors
(d)- Inhibition of Beta 2 adrenergic receptors and Stimulation of Dopamine receptors



Ans: (b) - Stimulation of Beta 2 adrenergic and Dopamine receptors