Histamine exerts the following actions except: A. Dilatation of large blood vessels B. Dilatation of small blood vessels C. Stimulation of isolated guineapig heart D. Itching

Histamine exerts the following actions except:
A. Dilatation of large blood vessels
B. Dilatation of small blood vessels
C. Stimulation of isolated guineapig heart
D. Itching
by

1 Answer

Answer :

A. Dilatation of large blood vessels
by

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