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Anatomy Other topics and Adverse effects d6b03b75

Which of the following effects of adrenaline would be block the by phentolamine but not by propanonol

A
Cardiac stimulation
B
Relaxation of bronchial smooth muscle
C
Relaxation of uterus
D
Contraction of radiap smooth muscle in the iris
High-Yield Explanation
Ref-KDT 6/e p123 Smooth muscle of iris contain alpha receptor whereas hea,bronchus and uterus possess ba-adrenergic receptor

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