The male reproductive system is primarily regulated by three hormones. FSH, LH, and testosterone are hormones. FSH promotes sperm production by acting on the testicular Sertoli cells.

Sure, let me check

Option A is right Distal to the acetabulum and proximal to the patella. When you move your hand from acaetabulum to femur your hand goes away from body centre(Distal) When you move your hand from patella to femur your hand moves toward the body centre(Proximal).

Waiting of your response if need further clearification

I haven't clear yet.. you gave question for us loction of the femur..