BI 122 Exam 4 - GRCC Forbes Questions and Answers Already Passed
Head of a Sperm Cell - Answers Nucleus with chromosomes (23)
Midpiece of a Sperm Cell - Answers Mitochondria
Spermatogenesis - Answers Production of sperm cells
PATHOLOGY NOTE:
What can give rise to testicular cancer in young males? - Answers Epithelial cells of the seminiferous
tubules can give rise to testicular cancer in young males.
Function of the Epididymis - Answers Nutrition and maturation of sperm
How long can sperm live once mature? - Answers Sperm can live for 2-3 weeks once mature.
Function of the Vas (Ductus) Deferens - Answers Transport sperm to ejaculatory duct.
Vasectomy - Answers The vas deferens is surgically obstructed during a vasectomy to prevent sperm
release. Knots, thermal scarring or clips most commonly used.
Reversal of a Vasectomy has a low success rate.
Functions of the Seminal Gland (Vessicle) - Answers 1. Secrete alkaline fluid to moderate pH of
ejaulatory duct and acid from epididymis.
2. Produce fructose for energy for sperm.
3. Produce prostaglandins to stimulate muscular contractions in female reproductive tract to help move
sperm.
Note: Released at emission.
Prostaglandins - Answers Hormones produced by the seminal gland that causes peristalsis that pushes
the sperm to the egg.
Functions of the Prostate Gland - Answers 1. Secrete alkaline fluid to moderate pH of acid from
epididymis and in vagina.
2. Activates sperm.
When is prostatic fluid released? - Answers Prostatic fluid is released at emission when it joins sperm
from the vas deferens and seminal fluid.
PATHOLOGY NOTE:
What is Prostate Hyperplasia? - Answers Prostate hyperplasia is an enlargement of the prostate due to
aging or cancer.
, Function of the Bulbourethral Glands - Answers Produce mucus for lubrication and alkaline fluid.
Commonly released during arousal.
What is Semen? - Answers The ejaculate that contains...
1. Sperm
2. Seminal Fluid
3. Prostatic Fluid
4. Bulbourethral Fluid
Approx. how many sperm are in semen? - Answers Approx. 200-600 million
How long can sperm live in a female? - Answers Sperm can live up to 48 hours in females.
What is in the ejaculate of those who have had a vasectomy? - Answers The ejaculate of those with a
vasectomy will have all items of semen, minus the sperm.
Function of the Scrotum - Answers Enclose testes and moderate their temperature (3*C/5*F) below
body temperature via movements of smooth muscle.
Functions of the Penis - Answers 1. Conver urine
2. Convey semen
3. Copulatory organ
Components of the Penis - Answers 1. Corporus(a) cavernous(a)
2. Corporus spongiosum
3. Penile urethra
4. Glans penis
5. Prepuce (foreskin)
Function of the Corporus Cavernosum - Answers Erectile Tissue
Function of the Corporus Spongiosum - Answers Erectile Tissue
Function of the Penile Urethra - Answers Carry urine and semen
Function of the Glans Penis - Answers Stimulation
Function of the Prepuce(foreskin) - Answers Stimulation
Head of a Sperm Cell - Answers Nucleus with chromosomes (23)
Midpiece of a Sperm Cell - Answers Mitochondria
Spermatogenesis - Answers Production of sperm cells
PATHOLOGY NOTE:
What can give rise to testicular cancer in young males? - Answers Epithelial cells of the seminiferous
tubules can give rise to testicular cancer in young males.
Function of the Epididymis - Answers Nutrition and maturation of sperm
How long can sperm live once mature? - Answers Sperm can live for 2-3 weeks once mature.
Function of the Vas (Ductus) Deferens - Answers Transport sperm to ejaculatory duct.
Vasectomy - Answers The vas deferens is surgically obstructed during a vasectomy to prevent sperm
release. Knots, thermal scarring or clips most commonly used.
Reversal of a Vasectomy has a low success rate.
Functions of the Seminal Gland (Vessicle) - Answers 1. Secrete alkaline fluid to moderate pH of
ejaulatory duct and acid from epididymis.
2. Produce fructose for energy for sperm.
3. Produce prostaglandins to stimulate muscular contractions in female reproductive tract to help move
sperm.
Note: Released at emission.
Prostaglandins - Answers Hormones produced by the seminal gland that causes peristalsis that pushes
the sperm to the egg.
Functions of the Prostate Gland - Answers 1. Secrete alkaline fluid to moderate pH of acid from
epididymis and in vagina.
2. Activates sperm.
When is prostatic fluid released? - Answers Prostatic fluid is released at emission when it joins sperm
from the vas deferens and seminal fluid.
PATHOLOGY NOTE:
What is Prostate Hyperplasia? - Answers Prostate hyperplasia is an enlargement of the prostate due to
aging or cancer.
, Function of the Bulbourethral Glands - Answers Produce mucus for lubrication and alkaline fluid.
Commonly released during arousal.
What is Semen? - Answers The ejaculate that contains...
1. Sperm
2. Seminal Fluid
3. Prostatic Fluid
4. Bulbourethral Fluid
Approx. how many sperm are in semen? - Answers Approx. 200-600 million
How long can sperm live in a female? - Answers Sperm can live up to 48 hours in females.
What is in the ejaculate of those who have had a vasectomy? - Answers The ejaculate of those with a
vasectomy will have all items of semen, minus the sperm.
Function of the Scrotum - Answers Enclose testes and moderate their temperature (3*C/5*F) below
body temperature via movements of smooth muscle.
Functions of the Penis - Answers 1. Conver urine
2. Convey semen
3. Copulatory organ
Components of the Penis - Answers 1. Corporus(a) cavernous(a)
2. Corporus spongiosum
3. Penile urethra
4. Glans penis
5. Prepuce (foreskin)
Function of the Corporus Cavernosum - Answers Erectile Tissue
Function of the Corporus Spongiosum - Answers Erectile Tissue
Function of the Penile Urethra - Answers Carry urine and semen
Function of the Glans Penis - Answers Stimulation
Function of the Prepuce(foreskin) - Answers Stimulation
