c4 - sexual anatomy

Question 1

How are mammograms disadvantageous?

• They involve exposure to radiation, which is likely to increase the risk of cancer.
• They are incapable of detecting small tumors.
• They cannot detect cysts and fibroadenoma.
• They can detect cancer only in its advanced stages.

Answer 1

They involve exposure to radiation, which is likely to increase the risk of cancer.

Question 2

Which of the following is true of sperm?

• Sperm are manufactured in the interstitial cells.
• Sperm are manufactured by the Bartholin glands.
• Sperm can survive unharmed in extreme temperatures.
• Sperm can be injured by extremes of temperature.

Answer 2

Sperm can be injured by extremes of temperature.

Question 3

Which of the following is true of cancer of the penis?

• It is thought to be related to the collection of smegma under the foreskin.
• It cannot be treated by surgery or by radiation therapy.
• It is the most common form of cancer in men.
• It is more common in circumcised men than in uncircumcised men.

Answer 3

It is thought to be related to the collection of smegma under the foreskin.

Question 4

The muscles of the myometrium in the uterus

• form the external cover of the uterus.
• create the contractions of labor and orgasm.
• are sloughed off during menstruation.
• are very weak and are incapable of expanding.

Answer 4

create the contractions of labor and orgasm.

Question 5

The prostate

• is composed entirely of glandular tissue.
• is fairly large at birth but shrinks during puberty.
• secretes a milky alkaline fluid that is part of the ejaculate.
• cannot be felt by rectal examination.

Answer 5

secretes a milky alkaline fluid that is part of the ejaculate.

Question 6

Which of the following is true of the labia?

• The labia minora are covered with pubic hair.
• The Bartholin glands lie inside the labia majora.
• The labia majora are hairless folds of skin.
• The clitoral hood is formed by the labia minora.

Answer 6

The clitoral hood is formed by the labia minora.

Question 7

Which of the following is true of the penis and the clitoris?

• Both the penis and the clitoris have a direct function in reproduction.
• Both the penis and the clitoris have corpora cavernosa.
• Unlike the clitoris, the penis is erectile.
• Unlike the penis, the clitoris has few or no nerve endings.

Answer 7

Both the penis and the clitoris have corpora cavernosa.

Question 8

Which of the following is true of the hymen?

• An annular hymen hinders menstruation.
• An imperforate hymen has several openings.
• The hymen is present in all females at birth.
• Hymens are not reliable indicators of virginity.

Answer 8

Hymens are not reliable indicators of virginity.

Question 9

Which of the following is true of the G spot?

• It is an insensate spot on the vaginal wall.
• It is located between the wall of the urethra and the wall of the vagina.
• It is typically more sensitive than the clitoris.
• It is homologous with the male penis.

Answer 9

It is located between the wall of the urethra and the wall of the vagina.

Question 10

Which of the following is true of breasts?

• Small breasts are more erotically sensitive per square inch than are large ones.
• Breasts have no reproductive or erotic functions.
• Large breasts have a greater number of nerve endings than small breasts.
• Breasts manufacture the sex hormones estrogen and progesterone.

Answer 10

Small breasts are more erotically sensitive per square inch than are large ones.