Melanie goes to the hospital emergency room hysterical and hurt because she has just been attacked. if the er doctor wants to be sure that melanie will not develop posttraumatic stress disorder as a result of the attack, he could give her which block(s) postsynaptic receptors.

The answer is . propranolol; norepinephrine
Propranolol is a beta blocker that will influence the receiver's blood criculation by affecting the operations in veins and arteries.
Norepinephrine, on the other hand, is functioned in order to regulate the hormonal and neurotransmitter function in our body.

Idont know which one is right   but i know that c is wrong and a might be wrong

France played a key role in the american revolutionary war (american war of independence; 1775–1783). motivated by the ideals of the new nation which were inspired by the french enlightenment, as well as its long-term rivalry with britain and so as to avenge their territorial losses during the french and indian war, france secretly began sending supplies to the americans in 1775.