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Gonadotropin: Quiz


Question 1: Gonadotropin deficiency due to pituitary disease results in ________, which can lead to infertility.
Androgen insensitivity syndromeHypopituitarismHypogonadismDelayed puberty

Question 2: Gonadotropins are protein ________ secreted by gonadotrope cells of the pituitary gland of vertebrates.
ProgesteroneHormoneEndocrine systemTestosterone

Question 3: Gonadotropin receptors are embedded in the surface of the target cell membranes and coupled to the ________ system.
G proteinGTPasePlasma membrane Ca2+ ATPaseRas (protein)

Question 4: LH and FSH are heterodimers consisting of two peptide chains, an alpha chain and a beta chain, linked by ________ and van der Waals forces.
Chemical polarityChemical bondHydrogen bondDipolar bond

Question 5: [2] It is used to treat ________ in women by stimulating follicular development, as well as hypo- or normagonadotropic hypogonadism in men and, in combination with hCG, it can stimulate spermatogenesis.
Premenstrual syndromeMenorrhagiaAmenorrhoeaAnovulation

Question 6: Gonadotropins are released under the control of ________ (GnRH) from the arcuate nucleus and preoptic area of the hypothalamus.
Gonadotropin-releasing hormoneCorticotropin-releasing hormoneCalcitoninVasopressin

Question 7: The two principal gonadotropins in vertebrates are luteinizing hormone (LH) and ________ (FSH), although primates produce a third gonadotropin called chorionic gonadotropin (CG).
Follicle-stimulating hormoneActivin and inhibinHuman chorionic gonadotropinEstradiol

Question 8: Human Menopausal Gonadotropin (hMG) is a mixture of FSH, LH and hCG, extracted and purified from the urine of ________ women.
Menstrual cycleMenopauseFollicular phaseOvulation

Question 9: Another human gonadotropin is ________ (hCG), produced by the placenta during pregnancy.
Gonadotropin-releasing hormoneProgesteroneFollicle-stimulating hormoneHuman chorionic gonadotropin

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