Which of the following effects of adrenaline would be block the by phentolamine but not by propanonol
Cardiac stimulation
Relaxation of bronchial smooth muscle
Relaxation of uterus
Contraction of radiap smooth muscle in the iris
Ref-KDT 6/e p123 Smooth muscle of iris contain alpha receptor whereas hea,bronchus and uterus possess ba-adrenergic receptor
Other topics and Adverse effects