Science Quiz / Male reproduction

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Can you name the HYTQ of Male reproduction?

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

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Created Feb 25, 2012ReportNominate
Tags:male, reproduction

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