Transport of sperm

Choose all answers that may apply.

1. Transport of sperm through the cervix…

– Requires that sperm enter ‘cervical crypts’.

– Occurs throughout the menstrual cycle.

– Is impossible for most of the menstrual cycle due to thick mucus.

– requires a rise in estrogen.

2. Transport of sperm from the uterus to the oviduct…

– is due to contractions of the smooth muscle of the vagina.

– is entirely due to sperm swimming.

– is due, in part, to muscle contraction.

– is increased by the contraction of smooth muscle that occurs as a result of oxytocin release.

3. Capacitation of sperm…

– Occurs in the male reproductive system.

– Likely involves factors that are released in follicular fluid escaping from the ovulated follicle.

– involves a process called “hyperactivation”.

– Involves removal of proteins and cholesterol from the sperm, to increase motility.