Question

1. A young man is in an accident that crushes his spinal cord at the neck and leaves him paralyzed from the neck down. The man asks his physician if he will be able to have erections and father any children. What should the doctor tell him? Explain your answer.
2. A breast-feeding woman leaves her baby at home and meets a friend for dinner. Two tables over, a baby is crying and the woman notices her shirt becomes wet from leaking milk. Explain the physiological link between hearing that sound and the ejection of milk.
3. A woman has a mutation that causes the zona pellucida to be tough and not disintegrate after the egg was fertilized. How would this affect her fertility? Explain.

Answer 1

1. No there is only no/ rare chance to give birth to a child. The accident definitely affect his sex organ



1 Definitely affect his male reproductive system. The doctors should give him some medicines and could mention that it is very difficult /no chance to give birth to a child. The para sympathetic nerves from the S₂, S3 ands tiers are related to resser erection of the penis. T 10 to L2 stages of spinal- wires is play an importan role en psychogenic erection. 2. Prolactin and oxyto in are two major hormones which are released durlig breast feeding. These are the reason behind euphoria and relaxations. It could also affect moms parenting behaviour. These hormones also releases or play a major role when a mother hears the soud of a crying child.

3.Zona pellucida is a membrane surrounding the plasma membrane of ovum. It is secreted by both oocyte and the ovarian follicles.Corona radiata surrounds the zona pellucida. After fertilization the zona pellucida should be Brocken and fall away. This helps ovum to move to the uterine wall for the implementation. If this will not happen then there is a chance of abnormal implementation.