1.

Norepinephrine:(a) Is released by sympathetic fibres(b) Is released by parasympathetic fibres(c) Increases the heart rate(d) Decreases blood pressureWhich of the above said statements are correct?

A. (a) and (d)
B. (b) and (c)
C. (a) and (c)
D. (b) and (d)
Answer» D. (b) and (d)


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