Effects of Adrenergic Blockers at Receptors

Question 1

Alpha 1

Answer 1

Vasodilation: decreases blood pressure; reflex tachycardia might result; miosis (constriction of pupil) occurs; suppresses ejaculation in men; reduces contraction of smooth muscle in bladder neck and prostate gland

Question 2

Beta 1

Answer 2

Decreases heart rate; reduces force of contractions

Question 3

Beta 2

Answer 3

Constricts bronchioles; contracts uterus; inhibits glycogenolysis, so decreased blood sugar