Which statement regarding testosterone is incorrect?
|A)||Testosterone production nearly ceases during childhood.|
|B)||Levels of testosterone are regulated by negative feedback through the hypothalamus.|
|C)||Testosterone causes enlargement of the trachea and increased white blood cell production.|
|D)||Testosterone stimulates enlargement of the testes during puberty.|
In the ovary, the ovarian follicles are located
|A)||in the medulla|
|B)||between the medulla and the cortex|
|C)||in the cortex|
|D)||on the free surface of the ovary|
The egg arises directly from the
|D)||cells of the follicle|
Which of the following statements about the uterine tubes is incorrect?
|A)||The end of the uterine tube near the ovary has many fingerlike projections called fimbriae.|
|B)||The uterine tube penetrates the uterine wall and empties into its cavity.|
|C)||The inner layer of the uterine tube is cuboidal epithelium.|
|D)||There are cilia in the lining of the uterine tube that help move the egg toward the uterus.|
The lower segment of the uterus that joins the vagina is the
Which of the following statements about the vagina is true?
|A)||The mucosal layer contains many mucous glands that provide lubrication during sexual intercourse.|
|B)||The bulbospongiosus muscle is primarily responsible for opening the vaginal orifice.|
|C)||The vagina is posterior to the urinary bladder and anterior to the rectum.|
|D)||The hymen is a membrane that covers the mouth of the cervix.|
The organ of the female reproductive system that corresponds to the male penis is the
All of the following structures open into the vestibule of the female, except the
Which of the following tissues become engorged and erect in response to sexual stimulation in the female?
|A)||clitoris and outer 1/3 of vagina|
|B)||labia minora and vestibular glands|
|C)||upper and outer 1/3 of vagina|
|D)||labia majora and labia minora|
Which of the female secondary sex characteristics is thought to be related to androgen concentration?
|B)||growth of axillary and pubic hair|
|C)||increased vascularization of the skin|
|D)||deposition of adipose tissue over hips, thighs, buttocks, and breasts|
During the reproductive cycle, the event that is thought to initiate ovulation is
|A)||increasing levels of progesterone|
|B)||a sudden increase in concentration of LH|
|C)||decreasing levels of estrogen|
|D)||a cessation of secretion of FSH|
Which of the following hormones peaks during the second half of the menstrual cycle, due to its production by the corpus luteum?
Progesterone produces all of the following effects except
|A)||making the endometrium more vascular and glandular|
|B)||stimulating uterine glands to secrete glycogen and lipids|
|C)||providing increased levels of nutrients and electrolytes|
|D)||stimulating the anterior pituitary to secrete LH and FSH for the next cycle|
If an oocyte is not fertilized, the corpus luteum degenerates and the levels of
|A)||estrogen and progesterone decrease|
|C)||FSH and LH begin a gradual decrease|
|D)||FSH levels increase, LH levels decrease then increase|
The primary source of estrogens is the
Which of the following methods of contraception is the least effective?
All of the following are common symptoms of sexually transmitted diseases (STDs) except
|B)||blisters or sores in the mouth|
|C)||pain in the lower back|
|D)||burning sensation during urination|
What cells give rise most commonly to testicular cancer in young men?
|C)||epithelial cells of seminiferous tubules|
|D)||cells of the epididymis|
The testes are located in the scrotum.
Male sex hormones are produced and secreted by the interstitial cells of the testes.
Sperm cells are produced only during periods of sexual excitation of the male.
Spermatogenesis is the process of producing sperm cells.
Pelvic inflammatory disease in a female is a complication of sexually transmitted diseases (STDs), and can lead to infertility.
Menopause occurs when there are no longer many primary follicles remaining in the ovaries.
Ejaculation and orgasm are not the same thing; orgasm has a psychological effect.
The myometrium is the middle layer of the uterine wall, and contains bundles of smooth muscle fibers.
Ovulation occurs when the primary oocyte is released from the ovary and enters the uterine tube.
The male climacteric signals the cessation of testosterone production.
The distribution of cytoplasm is equally divided among four daughter cells when the primary oocyte divides.
The cell divisions involved in oogenesis and spermatogenesis are termed meiosis.
Before puberty, the mammary glands of males and females are similar.