Reproductive System

Genetic variation is NOT enhanced through:

In response to parasympathetic stimulation: blood flow increases to the penis.

The basic difference between spermatogenesis and oogenesis is that: one mature ovum is produced in oogenesis, and four mature sperm are produced in spermatogenesis.

The organ that makes estrogen and progesterone is the:

The primary sex organ of the male is the:

The reason why the testes are suspended in the scrotum is: to provide for a cooler temperature.

The sperm's acrosome: contains enzymes, which allow the sperm to penetrate the egg.

The surge in LH that occurs during the middle of the ovarian cycle triggers:

The usual site of fertilization is the:

The uterine layer shed with each monthly cycle is the: functional layer of endometrium.

__________ cells, located between seminiferous tubules, produce testosterone.

In which uterine phase does the functional layer of the endometrium start to rebuild?

What is the most common sexually transmitted disease in the U.S.?

Which cell type is actually ovulated from the ovary?

Which is the most correct sequence of sperm flow in the male duct system? Seminiferous tubules, epididymis, vas deferens, ampulla, ejaculatory duct, urethra

Which male structure is homologous to the female's clitoris?

Which represents a correct cascade of reproductive hormones in males? GnRH, LH/FSH, testosterone, inhibin

Within the ovary, progesterone is produced by the:

Sperm are produced in the:

Ovulation in a typical, or "average," cycle usually occurs on day:

What hormone is responsible for the secondary sex characteristics found in women?

If the testes are both removed before puberty, will secondary sex characteristics develop in the male? No, they won't develop and the man will be sterile.

The muscular wall of the uterus is called the:

Which of the following hormones causes the oocyte to mature?

Which of the following hormones is NOT involved in the regulation of the number of sperm produced in the testes?

Which of the following statements about myoid cells is true? They surround the seminiferous tubules and contract rhythmically to squeeze sperm and testicular fluid through the tubules out of the testes.

Which of the following absorb heat from the testes? The pampiniform plexus

Which of the following structures passes through the inguinal canal? The spermatic cord

Which of the following structures makes up most of the male urethral length?

All of the following statements about a vasectomy are true, except: It is 50% reversible because the ligatures will eventually be phagocytized.