Science Quiz / Male reproduction

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Can you name the HYTQ of Male reproduction?

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T/F: The exogenous administration of testosterone can lead to infertility
pH of prostatic fluid
catalyzes the conversion of testosterone to estradiol?
The release of what substance from the nerve terminal of the cavernous nerve causes vasodilation?
Testosterone concentration is ____ times higher in the testes than the blood.
______ acts on gonadotophs to prevent the release of FSH
GnRH is composed of ____ amino acids.
sex binding hormone binding globulin is made in which organ?
Which portion of the autonomic nervous system controls erection?
involved in production of a substance that gives ejaculate its alkaline nature
produces seminal fluid containing nutrients, fructose, and prostaglandins
T/F: Drugs like viagra work by inhibiting the enzyme (Type V phosphodiesterase), which catalyzes the breakdown of cGMP (cGMP stimulates vasodilation).
sperm accounts for what percentage of total ejaculate
T/F: Testosterone, estradiol, and DHT provides positive feedback regulation at the hypothalamus and anterior pituitary gland.
seminal fluid accounts for what percentage of total ejaculate
synthesizes inhibin
Which hormone binds to the same receptor as LH?
synthesizes androgen binding protein
Which cell maintains the blood testes barrier?
Which hormone causes baldness and hair recession in males that are aging?
Which two enzymes catalyze the conversion of progestins to androgens?
FSH acts on which cell in males?
T/F: germ cells express estrogen receptors which optimize spermatogenesis.
Which enzyme catalyzes the conversion of cholesterol to progestins
The binding of Testosterone to what protein helps keep a steady supply of it in the testes.
What type of junctional complex helps maintian the blood testes barrier?
this gland is involved in producing pre=ejaculate
testosterone travels in the blood bound to what protein?
testosterone serves as a negative feedback regulator for the release of what hormone?
How many days does spermatogenesis take?
Which cells provide nourishment to developing germ cells?
Luteinizing hormone acts on which cell in males?
True or False: The epididymis is involved in sperm production.
Which cells are responsible for removing damaged germ cells from the testes?

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