Pharmacology Q on Propranolol

I am stuck between two answers studying for a test and would appreciate help with rationale as my book doesn't make sense. Thanks in advance!

Effects of beta-adrengenic blockade by propranolol include;
a. decreased release of epinepherine and norepinephrine from the adrenal cortex.
b. antagonism of the direct cardiac effects of norepinephrine and epinephrine on vascular smooth muscle.
c. antagonism of the effects of norepinephrine and epinephrine on vascular on vascular smooth muscle.
d. reversal of the hypertensive response to phenylephrine and norepinephrine.
e. potentiation of tyramine of adrenergic nerve terminals.