Chapter 27 Review (Reproductive System)

Question 1

What are male gametes called?

Answer 1

sperm

Male gametes are specifically referred to as sperm.

Question 2

Leydig cells ________.

Answer 2

secrete testosterone

Leydig cells play a crucial role in the endocrine function of the testes.

Question 3

Which hypothalamic hormone contributes to the regulation of the male reproductive system?

Answer 3

gonadotropin-releasing hormone

This hormone stimulates the release of luteinizing hormone and follicle-stimulating hormone from the pituitary gland.

Question 4

What is the function of the epididymis?

Answer 4

sperm maturation and storage

The epididymis is essential for the maturation of spermatozoa.

Question 5

Spermatogenesis takes place in the ________.

Answer 5

seminiferous tubules

These tubules are located within the testes and are the site of sperm production.

Question 6

What are the female gonads called?

Answer 6

ovaries

Ovaries are responsible for producing oocytes and hormones like estrogen.

Question 7

When do the oogonia undergo mitosis?

Answer 7

before birth

Oogonia multiply by mitosis during fetal development.

Question 8

From what structure does the corpus luteum originate?

Answer 8

dominant follicle

The corpus luteum forms from the remnants of the dominant follicle after ovulation.

Question 9

Where does fertilization of the egg by the sperm typically occur?

Answer 9

uterine tube

Fertilization usually takes place in the ampulla of the uterine tube.

Question 10

Why do estrogen levels fall after menopause?

Answer 10

There are no follicles left to produce estrogen

The depletion of ovarian follicles results in decreased estrogen production.

Question 11

The vulva includes the ________.

Answer 11

mons pubis, labia majora, and Bartholin’s glands

The vulva consists of external female genital structures.

Question 12

What controls whether an embryo will develop testes or ovaries?

Answer 12

Y chromosome

The presence of the Y chromosome typically leads to the development of male reproductive structures.

Question 13

Without SRY expression, an embryo will develop ________.

Answer 13

female reproductive structures

SRY (Sex-determining Region Y) gene is crucial for male sex determination.

Question 14

The timing of puberty can be influenced by which of the following?

Answer 14

all of the above

Factors such as genes, stress, and body fat can affect the onset of puberty.