week 4 pre lecture quiz

Question 1

Transport of sperm through the cervix…

Answer 1

-requires a rise in estrogen
-Is impossible for most of the menstrual cycle due to thick mucus

Question 2

Transport of sperm from uterus to oviduct…

Answer 2

-is increased by the contraction of smooth muscle that occurs as a result of oxytocin release
-is due, in part, to muscle contraction

Question 3

Capacitation of sperm…

Answer 3

-Likely involves factors that are released in follicular fluid escaping from the ovulated follicle
-Involves removal of proteins and cholesterol from the sperm, to increase motility
-involves a process called “hyperactivation”