Module 2

Question 1

It is a sack of loose skin, fascia & smooth muscle divided into two pouches by a septum

Answer 1

scrotum

Question 2

contains the testes

Answer 2

scrotum

Question 3

it is a pair of oval glands measuring 4-5 cm, where each lobule is filled with 2 or 3 seminiferous tubules

Answer 3

testes

Question 4

it is where spern is formed

Answer 4

seminiferous tubules

Question 5

external male organ of copulation and transfers the sperm cell

Answer 5

penis

Question 6

list the parts of the sperm

Answer 6

head, midpiece, and tail

Question 7

the flagellum used for locomotion

Answer 7

tail

Question 8

contains mitochondria to form ATP for energy

Answer 8

midpiece

Question 9

contains DNA and the acrosome with enzymes for penetrating the egg

Answer 9

head

Question 10

it has adapted for reaching and fertilizing the egg

Answer 10

sperm

Question 11

secretes 60% of clear, alkaline seminal fluid, with fructose sugar, ATP and prostaglandins

Answer 11

seminal vesicles

Question 12

secretes 30% of milky, slightly acidic seminal fluid with an antibiotic to kill bacteria

Answer 12

prostate

Question 13

this secretes clear, alkaline mucus to buffer and lubricate urethra

Answer 13

cowper’s glands

Question 14

list the parts of the male glands

Answer 14

seminal vesicles, prostate, cowper’s glands

Question 15

a mixture of sperms and seminal fluid

Answer 15

semen

Question 16

what does the semen consist of and their percentages

Answer 16

60% - seminal vesicles
30% - from prostate
5% - testes
5% - bulbourethral glands

Question 17

what does the hypothalamus secrete

Answer 17

gonadotropin releasing hormones

Question 18

what does the anterior pituitary secerete

Answer 18

FSH and LH

Question 19

what does FSH stand for

Answer 19

follicle stimulating hormone

Question 20

what does LH stand for

Answer 20

Luteinizing hormone

Question 21

FSH causes sertoli cells to secerete what

Answer 21

ABP and inhibin

Question 22

what does ABP stand for

Answer 22

Androgen Binding Protein

Question 23

LH causes interstitial cells to secrete what

Answer 23

testosterone

Question 24

ABP and testosterone stimulate what

Answer 24

spermatogenesis

Question 25

list puberty changes of male from child to adult

Answer 25

• reproductive system matures
• developmental changes in hypothalamus
• elevated FSH levels
• promote spermatogenesis
• elevates LH level

Question 26

it is a major male hormone and necessary for spermatogenesis

Answer 26

testosterone

Question 27

it is responsible for the development of secondary male sexual characteristics

Answer 27

testosterone

Question 28

what are the secondary sexual characteristics

Answer 28

• hair distribution and growth
• skin texture
• body fat distribution
• skeletal muscle grow
• changes in the larynx

Question 29

refers to when prostatic fluid secreted into urethra

Answer 29

emission

Question 30

• muscle contractions close sphincter at base of bladder
• fluid propelled through ductus deferens, seminal vesicles & ejaculatory ducts into bulbs of penis

Answer 30

emission

Question 31

it is a sympathetic nervous system reflex

Answer 31

ejaculation

Question 32

refers to when the skeletal muscles squeeze semen out through urethra

Answer 32

ejaculation

Question 33

• parasympathetic nervous system reflex
• dilation of arterioles supplying the penis
• blood sinuses of penis engorge with blood

Answer 33

erection

Question 34

blood enters the penis compressing the veins so that the blood is trapped

Answer 34

erection