Substance responsible for erection of penis -
Ans. is 'b' i.e., Papaverine Papaverineo It is a nonspecific phosphodiesterase inhibitor.o Injection of papaverine with or without phentolamine into corpus cavemosum produces penile tumiscence to permit intercourse.o Repeated injection can cause penile fibrosis.
Clomipramine
Papaverine
Buspirone
Amitriptyline
Anxiety & Stress