Chapter 16

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Ovaries contain many tiny saclike structures called ovarian follicles, each of which consists of an immature egg surrounded by one or more layers of follicle cells

true

Ovulation occurs when a vesicular (Graafian) follicles releases an egg

true

Ovulation usually occurs on or about day 14 of the menstrual cycle.

true

Progesterone is produced by the corpus luteum and is needed for maintenance if a female becomes pregnant.

true

Sperm swim are sluggish in an acidic environment below a pH of 6.

true

The acrosome helps a sperm penetrate the follicle cells that surround the egg.

true

The bulbourethral glands are located inferior to the prostate gland and produce a clear mucous secretion that aids lubrication during sexual intercourse.

true

The cervix typically dilates to about 10 cm during the dilation stage of labor

true

The cyclic changes that occur monthly in the ovary constitute the ovarian cycle.

true

The diamond-shaped region of a female's external genitalia found between the anterior end of the labial folds, the anus posteriorly, and the ischial tuberosities is called the perineum.

true

The ejaculatory duct passes through the prostate gland.

true

The external genitalia of a female is also called the vulva.

true

The males testes have both an endocrine and an exocrine function.

true

The placenta and its attached fetal membranes, delivered during the placental stage of labor, are called the afterbirth.

true

The process of childbirth is known as parturition.

true

The rapid mitotic cell division that occurs after the fertilization of an egg is known as cleavage.

true

When a woman is not pregnant, the endometrial lining of the uterus is sloughed off about every 28 days.

true

The portion of the male urethra that is surrounded by the prostate is called the membranous urethra

FALSE

The two functional areas of the blastocyst are the morula and the trophoblast.

FALSE

Urine and sperm are able to pass through the urethra at the same time

FALSE

Viable sperm cannot be produced at temperatures below body temperature.

FALSE

When a year has passed without menstruation, a woman has reached menarche

FALSE

The hormone that causes secondary sex characteristics in males is progesterone.

FALSE

The innermost layer of the uterus is called the myometrium.

FALSE

In a female, the labia minora are two outer, hair-covered folds of skin that enclose the delicate, hair-free folds called the labia majora

FALSE

Oocytes are viable for 48-72 hours once ovulated from the ovary.

FALSE

Ovulation occurs during the secretory phase of the uterine (menstrual) cycle.

FALSE

Sperm are matured and ejaculated from the epididymis and ductus (vas) deferens during ejaculation.

FALSE

Spermatids are functional sperm.

FALSE

The endoderm gives rise to the nervous system and the epidermis of the skin.

FALSE

Oocytes are carried toward the uterus by both cilia and peristalsis.

true

A primary oocyte undergoes meiosis and produces a secondary oocyte and a polar body.

true

An erection results from blood filling the spongy erectile tissues of the penis.

true

Beginning at the ninth week of development, the embryo is referred to as a fetus.

true

Estrogens cause the appearance of secondary sex characteristics in females.

true

Hypertrophy of the prostate gland makes urination quite difficult for males

true

One primary spermatocyte will undergo meiosis to ultimately form four sperm.

true


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