12/3/2024 11:27AM
MEDSCI 142 – Reproduction Exam
Questions With Correct Answers
What is the principal androgen? - answer✔testosterone
What is the glycoprotein layer between the oocyte and the granulosa cells of an ovarian follicle
called? - answer✔zona pellucida
The oogenesis begins in females when? - answer✔before birth
Where are the secretory cells of an ovarian follicle located? - answer✔theca interna
During the menstrual cycle, the endometrium would be at its thickest when? - answer✔late in the
postovulatory phase - true the stratum functionalis is the thickest during the secretory phase just
before menstruation. This is because the uterus is preparing for a fertilised egg to implant into
the lining of the endometrium. if this does not happen that's when menstruation happens
During the menstrual cycle, progesterone would be at its highest levels: - answer✔late in the
postovulatory phase (same as thickest endometrium)
Repair of the endometrium during the preovulatory phase of menstruation is due to rising levels
of: - answer✔estrogen
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
During the menstrual cycle, progesterone is produced by: - answer✔corpus luteum
The main function of progesterone during the menstrual cycle is to: - answer✔thicken and
maintain the thickness of the endometrium
If fertilisation does not occur, the corpus luteum - answer✔degenerates into the corpus albicans
Onset of puberty in both sexes is signaled by increases in levels of what hormone? - answer✔LH
Sertoli cells produce what? - answer✔androgen-binding protein
Testosterone is produced by - answer✔interstitial cells (Leydig cells)
The acrosome of a sperm cell contains what? - answer✔hyaluronidase for egg penetration
In the male, LH causes what to occur? - answer✔testosterone production - LH stimulates leydig
cells that synthesize testosterone in conjuction with cholesterol from the testes
Interstitial cells do what? - answer✔produce testosterone
The interstitial cells of the testes are an important target for what hormone? - answer✔LH
During the menstrual cycle, LH is at its highest levels when? - answer✔Just prior to ovulation
Müllerian duct regression is under the control of which hormone? - answer✔AMH - anti-
Mullerian hormone
Which regresses in the male - Wolfferian or Mullerian? - answer✔Mullerian