Ch 27 male

Question 1

sperm pathway

Answer 1

1. epididymus
2. ductus deferns
3. ejaculatory duct
4. the urethra

Question 2

accessory sex glands where they empty secretions into the ducts during ejaculation:

Answer 2

seminal glands
prostate
bulbo-urethral glands

Question 3

Where is sperm made?

Answer 3

the seminiferous tubules

Question 4

What are the 4 cells of seminiferous tubules

Answer 4

sustenocytes (nourish sperm)
spermatogonic cells (sperm forming cells) 
intersistal endocrhine cells (secretes testerone) 
myoid  cells (smooth muscle like cells, surround seminifours cells)

Question 5

sperm matures in the

Answer 5

epididymis

Question 6

During ejaculation the epididymis contracts expelling sperm via

Answer 6

the ductus deferens

Question 7

Three regions of the urethra

Answer 7

prostatic uerthra 
intermediate part (membranuous): urogenital diaphragm 
spongy urethra (via penis, opens at external urethra orifice

Question 8

The three male accessory glands

Answer 8

seminal, prostate, bulbo urethral glands

Question 9

the seminal glands produces

Answer 9

viscous alkaline fluid that contains fructose, citric acid, coagulating enzyme and prostoglandins

Question 10

the seminal glands comprises ____% of sperm, and increases their ____

Answer 10

70, motility (causes fertilization)

Question 11

Prostate glands scretes

Answer 11

milky, acid fluid that contains citrate, enzymes and prostate specific antigen (PSA)

Question 12

Prostate glands makes up ___% of sperm and it ____ sperm

Answer 12

30, activates

Question 13

bulbo urethral glands produce____, to

Answer 13

thick,clear mucus during sexual arousal, lubricate glans penis, neutralizes traces of acidic urine

Question 14

sperm contains____

Answer 14

fructose for ATP production, protects and activates sperm and facilitates sperm movement

Question 15

Penis consits of:

Answer 15

1. root of penis (in body)
2. body of penis
3. glans of penis

Question 16

During erection the penis

Answer 16

fills with blood, causing penis to enlarge, and become rigid

Question 17

During erection the corpus spongisium

Answer 17

surrounds the urethra and expands to form glans and bulb of penis

Question 18

the Corpus cavernosa are paired

Answer 18

dorsal erectile bodies

Question 19

the perineoum is the

Answer 19

diamond shaped region located between the pubic symphysis, coccyx and ischail tuberosities

Question 20

The testosterone is synthesized from

Answer 20

chlosterol

Question 21

Testosterone is converted to

Answer 21

dihydrotestosterone (DHT) in prostate and estradiol in brain neurons

Question 22

Testesterone prompts

Answer 22

spermatogenesis and targets all accessory organs

Question 23

testosterone has ____ effects on body

Answer 23

anabolic

Question 24

deficiency of testosterone

Answer 24

leads to atrophy of accessory organs, semen vol declines, erection/ ejaculation are impaired