Science Quiz / Male reproduction

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Can you name the HYTQ of Male reproduction?

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

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Created Feb 25, 2012ReportNominate
Tags:male, reproduction

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