Question 1

Currently, approximately how many bacterial, viral, and fungal infections are characterized as sexually transmitted diseases (STDs)?

Accepted Answer

According to the Centers for Disease Control and Prevention (CDC), there are approximately 24 bacterial, viral, and fungal infections that are characterized as sexually transmitted diseases (STDs).

Question 2

What may be the most likely reason for the existence of polar bodies?

Accepted Answer

Polar bodies are a byproduct of meiosis in female gametogenesis, serving to discard the extra set of chromosomes, thus ensuring the egg (oocyte) has the correct number of chromosomes for fertilization.

Question 3

Regarding hormones and body temperature, which statement is true?

Accepted Answer

During the follicular phase, estrogen is dominant, and body temperature is lower. In the luteal phase, progesterone increases body temperature by about 0.3°C.

Question 4

A young couple desires to start a family later, but they currently rely on the rhythm method and are uncomfortable with the thought of hormonal contraceptives. What additional form of birth control would you advise them to use?

Accepted Answer

The answer of A young couple desires to start a...

Question 5

Marissa is an avid marathon runner, and she trains incessantly. She has slimmed down so that she is now underweight for her height and has very little fat tissue. One would expect Marissa to

Accepted Answer

Intense physical training and low body fat can disrupt the hypothalamic-pituitary-gonadal axis, leading to decreased production of estrogen and other hormones needed for the menstrual cycle. This can lead to amenorrhea in women, which is the absence of menstrual periods. Therefore, one would expect Marissa to be amenorrheic due to her intense training and low body fat.

Question 6

Female orgasm is accompanied by peristaltic contractions of the uterine and vaginal walls and by rhythmic contractions of which of the following muscles?

Accepted Answer

The ischiocavernosus and the bulbospongiosus muscles are responsible for the rhythmic contractions that occur during female orgasm.

Question 7

During the male climacteric,

Accepted Answer

During the male climacteric, there is a decrease in testosterone levels and an increase in FSH and LH levels, which can result in effects such as reduced sexual function, decreased muscle mass, and decreased bone density. However, it is important to note that the male climacteric is not a universal phenomenon and not all men will experience it in the same way.

Question 8

Menopause is accompanied by a decline in

Accepted Answer

During menopause, there is a decline in the production of both estrogen and progesterone. The other options may also experience changes during menopause, but they are not the main hormones that decline.

Question 9

The process of emission is under the control of

Accepted Answer

The process of emission is under the control of the sympathetic nervous system. The sympathetic nervous system stimulates the smooth muscle contractions in the walls of the epididymis, vas deferens, seminal vesicles, and prostate gland, which propel the semen into the urethra for ejaculation.

Question 10

Emission

Accepted Answer

The answer of Emission
...

Question 11

Jerry was in an automobile accident that severed his spinal cord at the L3 level. After his recovery, he wonders if he will still be able to have an erection. What would you tell him?

Accepted Answer

The answer of Jerry was in an automobile accident that...

Question 12

Which of the following contraceptive strategies will least likely result in an unwanted pregnancy?

Accepted Answer

The answer of Which of the following contraceptive strategies will...

Question 13

The time in which ovulation and menstruation cease is called

Accepted Answer

Menopause is the time in which ovulation and menstruation cease in women.

Question 14

The subsidence, known as detumescence in the male, is mediated by the

Accepted Answer

The answer of The subsidence, known as detumescence in the...

Question 15

In males and females, the process of arousal is under the control of

Accepted Answer

The answer of In males and females, the process of...

Question 16

Male ejaculation occurs as powerful, rhythmic contractions appear in which of the following muscles?

Accepted Answer

Male ejaculation occurs as powerful, rhythmic contractions appear in the ischiocavernosus and bulbospongiosus muscles. These muscles are responsible for the expulsion of semen during ejaculation.

Question 17

The most commonly prescribed oral contraceptives use small amounts of estrogen, or only

Accepted Answer

The most commonly prescribed oral contraceptives use small amounts of progesterone.

Question 18

Identify the notable risk factor associated with breast cancer.

Accepted Answer

A family history of breast cancer is a well-known risk factor and is associated with a higher likelihood of developing the disease. Other factors such as poor diet, early menopause, and late menarche may also play a role in breast cancer development, but a family history is considered a more significant risk factor. Additionally, pregnancy before age 21 is actually considered a protective factor against breast cancer.

Quiz 19: The Reproductive System

Currently, approximately how many bacterial, viral, and fungal infections are characterized as sexually transmitted diseases (STDs) ?