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

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Created Feb 25, 2012ReportNominate
Tags:male, reproduction

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