Exam 17: The Reproductive System

The ____________________ are the primary reproductive organs.In males they consist of a pair of ____________________ and in females a pair of ____________________.

Mucus secretions from the male provide the primary lubricant for intercourse.

Describe regulation of spermatogenesis.

A surge in LH halts estrogen synthesis.

Which structure serves as a common passageway for two tracts in the male?

Indicate the chromosomal composition of each of the stages of developing sperm by using the answer code (options may be used more than once or not at all): -secondary oocyte

The ____________________ of the testes secrete testosterone under the hormonal influence of ____________________.

One spermatogonium containing 46 chromosomes yields two spermatozoa each containing 23 chromosomes.

In a sexually mature individual,pulses of GnRH are secreted once a day.

Prostaglandins are secreted into the semen by the prostate gland.

Secretion of progesterone inhibits GnRH secretion.

The secondary oocyte normally has a diploid chromosome number.

What is the primary reproductive organ in the male?

Which layer of the uterus is shed each month with menstruation?

What is the proper sequence of the menstrual (uterine)cycle?

Oxytocin is secreted by the hypothalamus.

Which factor does NOT contribute to parturition?

When the entire uterine contents shift downward during late gestation so that the baby's head is brought into contact with the cervix,this is often mistaken as the onset of labour,so-called "false labour."

Males and females produce testosterone and estrogen.

Which statement concerning suckling is INCORRECT?