Exam 23: Reproductive Systems

An experimental male birth control method has been developed that inhibits gonadotropin-releasing hormone (GnRH). Does this drug have the ability to prevent sperm production? Justify your answer. Indicate any potential side effects that might be of concern to a man using this method.

Describe the "path" of a sperm cell from its production until it leaves the male body.

Which of the following signals the end of the reproductive period in females?

________ is a hormone produced by the seminiferous tubules that inhibits FSH from stimulating the production of sperm cells.

If a woman were exposed to a chemical that caused the cilia in her reproductive system to stop moving, what specifically is likely to happen?

The ________ is a part of the sperm that contains enzymes that spill out from the sperm and digest through the layers surrounding the secondary oocyte to allow fertilization.

Which hormone in men could be manipulated to eliminate sperm production without producing problems with the maintenance of secondary sex characteristics?

Prostaglandins are thought to cause ________.

In the female, the ________ secretes both estrogen and progesterone, and if fertilization does not occur, this structure degenerates.

Within the uterus, the layer of tissue where an embryo should implant is the ________.

Which of the following statements is false?

Which of the following hormones is not involved in the male reproductive system?

After a fertility analysis, it is determined that the semen a man produces has the appropriate number of functional sperm cells, yet he is still having problems with his fertility. This indicates that something other than the sperm is causing the problem. List one potential structure that could be causing the problem and what the problem would be.

The anterior pituitary gland secretes ________. In men, this hormone causes the cells that will become sperm to be more sensitive to the effects of testosterone.

The hormones FSH and LH are produced by the ________.

A male has been tested, and his sperm seem to be normal. They are motile and seem to be surviving for the appropriate amount of time. However, the sperm don't seem to be able to fertilize an egg. What part of the sperm is most likely to be malfunctioning?

Without the ________, the semen would not naturally be able to counteract the acidity of the vagina.

A fertility doctor is trying to determine why a couple is infertile. It has been determined that the woman is fertile, so the problem must be with her partner. In analyzing the partner's semen, the doctor notices that it seems to be lacking fructose. The structure malfunctioning must be the ________.

When sperm enter the epididymis, they ________.

The semen from a man who has had a vasectomy would include each of the following except ________.