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pes Between four and six months, a human fetus has most of its systems operational. However, there is one key system that is not yet functional, making survival difficult for prematurely born babies. Which one? respiratory circulatory urinary nervous digestive Participants Chat Share Screen Record Live Transcript Reactions Apps a C MAY 10 1
2 pts Where will the blastocyst normally implant? O ampulla of the uterine tubes O lumen of the uterus o endometrium of uterus O cervix O myometrium of the uterus
Which of the following is false regarding ovulation? O The oocyte passes from the ovary to the uterine tubes through direct contact O The ruptured follicle becomes the corpus luteum The oocyte moves through a small gap in the body cavity before entering the tube O The fimbriae of the uterine tubes create a "current" to sweep the oocyte towards the tube O Ovulation occurs approximately once per month 2 pts
2 pts We know that implantation of a fertilized egg in the endometrium will cause progesterone levels to stay elevated. How does the endometrium respond to high levels of progesterone? The endometrium secretes luteinizing hormone in response It begins to shed and will eventually be expelled (menses) All of these options occur It continues to thicken, become more vascularized, and nourish the fertilized egg The endometrium stays constant from the follicular phase D Question 66 2 pts
Question 60 2 pts Oocytes (or possibly fertilized eggs!) move from the uterine tubes towards the uterus thanks to ciliary action and O peristalsis Outerine contractions 2 pts accessory gland secretions O skeletal muscle contractions O flagella Question 61