Chapter 27

The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?

The ability of sperm cells to move along the ductus deferens is due to ________.

The ability of a male to ejaculate is due to the action of ________.

The most important risk for testicular cancer in young males is ________.

Which of the following glands are responsible for 60% of the synthesis of semen?

Which of the following hormones controls the release of anterior pituitary gonadotropins?

Development of male reproductive structures depends on which of the following events?

The primary function of the uterus is to ________.

Why is the blood-testis barrier important?

The structures that receive the ovulated oocyte, providing a site for fertilization, are called the ________.

If gametes were diploid like somatic cells, how many chromosomes would the zygote contain?

Human egg and sperm are similar in that ________.

The constancy of the chromosome number from one cell generation to the next is maintained through ________.

Fertilization generally occurs in the ________.

Spermiogenesis involves the ________.

All of the following can be considered male secondary sex characteristics except the ________.

In humans, separation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be ________.

Characteristics of the mature sperm include the ________.

How do the testes respond to exposure to excessive body warmth?

Effects of estrogen include ________.

Secretion of progesterone stimulates ________.

Which of the following statements about sperm is not true?

The cells that produce testosterone in the testis are called ________.

The testicular cells that construct the blood-testis barrier are the ________.

Which of the following occurs as a result of undescended testes?

Erection of the penis results from ________.

Which is not a part of the proliferative phase of the female menstrual cycle?

Which of the choices below is not a function of the vagina?

Select the correct statement about male sexual response.

Which of the choices below is not a function of testosterone?

Which male hormone inhibits the secretion of FSH?

During the secretory phase of the menstrual cycle ________.

Select the correct statement about the uterine cycle.

Which of the choices below is not a part of the brain-testicular axis?

Which of the following statements is true concerning the mammary glands of both males and females?

Normally menstruation occurs when ________.

The basic difference between spermatogenesis and oogenesis is that ________.

Occasionally three polar bodies are found clinging to the mature ovum. One came from an unequal division of the ovum, but from where did the other two arise?

Which of the following will occur after ovulation?

Why doesn't semen enter the urinary bladder during ejaculation?

Spermatogenesis ________.

Which hormone is absolutely necessary for ovulation to occur?

The brain-testicular axis ________.

Select the correct statement about testosterone control.

Which of the following is a correct statement about uterine tubes?

Select the correct statement about the hormonal events of the ovarian cycle.

Which of these statements about sexually transmitted infections is false?

Which of the following statements about spermatogenesis is not true?

A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH is normal. After he grows to maturity, one would expect that he would ________.

Which of the following statements about the female reproductive process is not true?

A low secretion of luteinizing hormone (LH) in the normal male adult would cause ________.

All of the following statements referring to the uterine cycle are true except ________.

Which of the following phases or processes in the monthly reproductive cycle of the female occur simultaneously?

The duct system of the male reproductive system does not include the ________.

An ovulating oocyte is actually activated by hormones about ________ days before ovulation.

Prostate cancer is _______.