Reproduction; Multiple Choice

1-- Unlike males, human females follow a cyclic pattern in their reproductive system. The cycles in the female reproductive system are the

A) ovarian cycle and the uterine cycle
B) follicular cycle and the luteal cycle
C)parasympathetic and sympathetic antagonistic cycles   
D)uterine cycle and the menstrual cycle

2-- Some men over the age of fifty experience difficulty in urination. The associated change in the male's reproductive system is most often

A) testicular cancer   
B) decline in pituitary FSH   
C) infected ductus deferent   
D) enlarged prostate gland


3-- Human reproductive systems are regulated through negative and positive feedback loops. The correct operation of a feedback mechanism linked with a hormone is
   
A) LH secretion → negative feedback to testes; testosterone → positive feedback to the pituitary
B) FSH secretion → positive feedback to ovaries; estrogen secretion → positive feedback to the pituitary
C) LH secretion → positive feedback to ovaries: estrogen secretion → negative feedback to the pituitary
D) FSH secretion → negative feedback to testes;  testosterone secretion → negative feedback to the pituitary

Thnx for all your help