Final Exam - Chapter 28

Question 1

What is the function of the testes?

Answer 1

Produce testosterone hormone (via leydig cells)

Question 2

Where does sperm maturate?

Answer 2

Epididymis

Question 3

spermatogenesis starts with mitotic division of stem cells called what?

Answer 3

Spermatagonial stem cells

Question 4

Spermatagonia —>

Answer 4

Sperm

Question 5

Leydig cells —>

Answer 5

Testosterone

Question 6

Sertoli cells —>

Answer 6

Feed sperm

Question 7

Sertoli cells support sperm. What are its functions?

Answer 7

• deliver nutrients to the sperm
• secrete testicular fluid

Question 8

What is the ratio of the glands contribution to the semen fluid?

Answer 8

• Seminal vesicles : 60%
• Prostate: 30%
• Bulbourethral gland: 5% (mucous secretion)
• Semen: 5%

Question 9

What are the two main processes are supported by FSH?

Answer 9

Spermatogenesis and secondary sex characteristics

Question 10

If someone was born with the problem of secreting LH, it will have an effect on what?

Answer 10

Testosterone

Question 11

The mesonephric ducts are the origin of the male or female reproductive system?

Answer 11

Male

Question 12

The mesonephric ducts develop into what two systems in the male?

Answer 12

The male reproductive system and the urinary system

Question 13

the mullarian ducts are part of the male or female reproductive system?

Answer 13

Female

Question 14

If someone was born with a defect in the mesonephric duct, which origin would be affected?

Answer 14

The male reproductive system and urinary system

Question 15

True or false: the uterine tubes have no contact with the ovaries

Answer 15

True

Question 16

Where is the ovum formed?

Answer 16

The ovary

Question 17

Fertilization occurs where?

Answer 17

In the oviduct

Question 18

Implantation occurs where?

Answer 18

In the uterus

Question 19

what is the name of the ells that are the origin of the ovum?

Answer 19

Oogonia

Question 20

What does the corpus luteum produce?

Answer 20

Extra estrogen and progesterone

Question 21

during the proliferative phase (days 1-14), which hormone is higher than the other? Estrogen or progesterone?

Answer 21

Estrogen

Question 22

On what day does estrogen peak?

Answer 22

Day 14

Question 23

Which hormone is higher in the secondary phase? Estrogen or progesterone

Answer 23

Progesterone

Question 24

why is progesterone higher during the secondary phase?

Answer 24

Because it thickens the uterus to prepare for a baby

Question 25

what are the 5 hormones that are working in the female reproductive system?

Answer 25

- LH - FSH - estrogen - progesterone - GnRH

Question 26

Estrogen needs to be higher before day 14 because it helps finish the development of the egg?

Answer 26

- progesterone goes up after fertilization

Question 27

Uterus is adapted for fertilized egg (called what) to attach the wall?

Answer 27

Blastocyst

Question 28

How many cells are in the blastocyst?

Answer 28

32

Question 29

ICM are what type of cells that form the whole body?

Answer 29

Embryonic stem cells

Question 30

Trophectoderm does what?

Answer 30

Attaches to the uterus wall

Question 31

Trophoblast forms what by branching into the cell wall

Answer 31

Placenta

Question 32

A baby is born with congenital defect in with the testes inside the abdomen. Will the sperm survive?

Answer 32

No because the body is 37C (98.5F) and sperm like 34C (95F)

Question 33

Leydig cells produce testosterone or _________ in males

Answer 33

Androgens

Question 34

What is GnRH produced by?

Answer 34

The hypothalamus

Question 35

Is FSH produced by the anterior or posterior pituitary?

Answer 35

Anterior

Question 36

If you illegally use testosterone with na excess dose, what happens?

Answer 36

- can be converted into estrogen: feminizing - make you weaker - leads to liver damage

Question 37

If the uterus has any defect (thin or is inflamed), what process will be affected?

Answer 37

Implantation

Question 38

Does mitosis or meiosis occur in germ cells?

Answer 38

Mitosis

Question 39

What is the function of estrogen?

Answer 39

Stimulate egg development and female sex characteristics

Question 40

progesterone function:

Answer 40

Control implantation by increasing thickness of uterus

Question 41

Does FSH come from the anterior or posterior pituitary?

Answer 41

Anterior

Question 42

FSH in women regulates which hormone that leads to secondary sex characteristics?

Answer 42

Estrogen

Question 43

Conception should be thought as the same as ?

Answer 43

Fertilization

Question 44

The male reproductive system origin is what?

Answer 44

Mesoderm