Reproductive System II

Question 1

The Seminal Gland produces

Answer 1

70% of semen

Question 2

The Prostate Gland produces

Answer 2

25% of semen

Question 3

The Bulbo-urethral Gland produces

Answer 3

Pre-cum, which is slightly alkaline

Question 4

What is the function of the pre-cum being slightly alkaline?

Answer 4

• Helps neutralize any acidic traces of urine in urethra

- Prevents sperm from like dying

Question 5

Pre-cum has mucin in it which allows for

Answer 5

Lubrication of the urethra

Question 6

Accessory Glands are responsible for

Answer 6

Producing bulk of volume of semen

Question 7

How many tubules are found in a lobe?

Answer 7

4-6 seminiferous tubules

Question 8

How many lobes are found per testes?

Answer 8

250 lobes

Question 9

Testicular Cancer is most common found in

Answer 9

Men 15-35

Question 10

A Vasectomy is when the

Answer 10

Vas Deferens gets cut / ligated

Question 11

What happens during ejaculation to prevent urine leaving the bladder?

Answer 11

A sphincter closes

Question 12

Semen is the mixture of

Answer 12

Glandular fluid + sperm

Question 13

Seminal fluid contains

Answer 13

Enzymes which cause coagulation and mobilization

Question 14

Seminal fluid has fructose which provides energy for

Answer 14

Sperm

Question 15

Seminal fluid has prostaglandins which allow for

Answer 15

Cervix to open

Question 16

Semen is slightly

Answer 16

Alkaline

Question 17

Erection is the act of

Answer 17

Enlargement and stiffening of the penis

Question 18

What allows for the penis’ arterioles to relax during arousal?

Answer 18

Nitric oxide is released

Question 19

What happens when the penis is relaxed?

Answer 19

The diameter widens and there is an increase in blood flow

Question 20

Males have a refractory period, meaning that after ejaculation they are

Answer 20

Unable to respond to stimulus

Question 21

Spermatogenesis is the process by which

Answer 21

Males make sperm

Question 22

Spermatogenesis happens in the

Answer 22

Seminiferous tubules

Question 23

Spermatogenesis involves both

Answer 23

Mitosis and Meiosis

Question 24

Mitosis results in

Answer 24

2 identical daughter cells

Question 25

Meiosis is the process of

Answer 25

Gamete formation

Question 26

Spermatogenic cells (or spermatogonia) give rise to

Answer 26

Sperm

Question 27

Mitosis of Spermatogonia forms

Answer 27

Two spermatocytes, which are diploid cells

Question 28

Each mitotic division of Spermatogonia gives rise to

Answer 28

- One type A | - One type B

Question 29

What happens to the formed Type A cell?

Answer 29

It stays behind and continues being stem cell, meaning it will divide again

Question 30

What happens to the formed Type B cell?

Answer 30

It grows and becomes primary spermatocyte

Question 31

What happens to the primary spermatocyte during Meiosis?

Answer 31

The spermatocytes form secondary spermatocytes

Question 32

Meiosis I results in

Answer 32

Two secondary spermatocytes

Question 33

What happens in Meiosis II?

Answer 33

Each secondary spermatocytes becomes two spermatids (with a total of 4)

Question 34

Spermiogenesis is the process in which

Answer 34

Spermatids become sperm

Question 35

The 4 produced spermatids then become

Answer 35

4 sperms

Question 36

During the Spermiogenesis, what gets made?

Answer 36

- Acrosom - Midpiece - Elongated Nucleus

Question 37

The Acrosom is important for fertilization because it

Answer 37

Contains enzymes which allow for the penetration of the egg

Question 38

The Midpiece is the

Answer 38

Flagella of the sperm

Question 39

The Midpiece has a

Answer 39

Mitochondria which power the tail

Question 40

Sperm and egg production are under control of the

Answer 40

Endocrine System

Question 41

Endocrine system is driven by the activity of the

Answer 41

Pituitary gland

Question 42

The Anterior lobe of the pituitary gland contains which hormones?

Answer 42

Growth, thyroid, follicle stimulating hormones

Question 43

Follicle stimulating and Luteinizing hormones are controlled by the

Answer 43

Hypothalamus

Question 44

Hypothalamus releases GnRH which

Answer 44

Tells the Anterior to produce hormones

Question 45

GnRH will bind to the

Answer 45

Anterior gonadotropic cells