5.11 Male Reproductive Physiology

Question 0

Part of the testis found in the peritubular compartment

Answer 0

Leydig cells- produce sex hormones

Question 1

Part of the testis found in the intratubular compartment

Answer 1

Seminiferous tubules: contains Gametes and Sertoli cells

Question 2

Spermatogenesis starts at _y/o

Answer 2

13 y/o

Question 3

Spermatogonium which remains in the basal compartment of seminiferous tubules

Answer 3

Spermatogonium A

Question 4

Germ cell proliferation occurs in which compartment

Answer 4

Adluminal compartment

Question 5

Formation of acrosome by nuclear shaping and condensation

Answer 5

Spermiogenesis

Question 6

What do you call the Release of spermatids from contact Sertoli cells

Answer 6

Spermiation

Question 7

Part of the spermatozoon which has mitochondria

Answer 7

Mid piece

Question 8

Genes activated for flagellum formation

Answer 8

Tubulin and dynein

Question 9

Sertoli cells secrete which hormones

Answer 9

Antimullerian
Inhibin
Activin

Question 10

Intrinsic regulation of spermatogenesis is by

Answer 10

Leydig cells

Question 11

Low frequency of GnRH pulses effects in which hormone release

Answer 11

Low GnRH- FSH release

High GnRH- LH release

Question 12

This hormone stimulates Leydig cells to produce testosterone

Answer 12

LH

Question 13

This hormone forms blood testis barrier by inducing Sertoli cells to secrete ABP

Answer 13

FSH

Question 14

Even at the time if death this hormone is still at high levels

Answer 14

Testosterone

Question 15

Andropause starts at what age

Answer 15

60y/o

Question 16

Responsible for prostatic secretions
A. Testosterone
B. DHT

Answer 16

A. Testosterone - spermatogenesis

B. DHT - correct

Question 17

Hormone Responsible for descent of testes in fetal life

Answer 17

Testosterone

Question 18

At this month of gestation, testes is located in scrotum
A. 3 mos
B. 4 mos
C. 5 mos
D. 6 mos
E. 7 mos

Answer 18

E. 7 mos

Question 19

Stages in the male sexual act that have PARAsympathetic stimulation

Answer 19

Erection and lubrication - parasympathetic

Emission and ejaculation - sympathetic

Question 20

Beginning phase of arousal
A. Desire
B. Excitement
C. Plateau
D. Orgasm
E. Resolution

Answer 20

A. Desire - physical attraction via pheromones
B. Excitement - beginning phase of arousal CORRECT
C. Plateau - peak phase of sexual excitement
D. Orgasm - climax, semen ejaculated
E. Resolution - post orgasm phase, returns to normal flaccid state

Question 21

Phase of the male sexual response cycle where semen in ejaculated

Answer 21

Orgasm

Question 22

Counters acidity of the vagina

Answer 22

Seminal plasma

Question 23

Capacitation occurs in the

Answer 23

Vagina

Question 24

Impotence in men is known as

Answer 24

Erectile dysfunction

Question 25

A cavernosal sexual arousal disorder
A. Parkinson’s
B. Alzheimer’s
C. Peyronie’s

Answer 25

A. Parkinson’s
B. Alzheimer’s
C. Peyronie’s - CORRECT

A and B are both neurogenic

Question 26

Normal forward progression of sperm
A. 0
b. 1+
C. 2+ 
D. 3 +

Answer 26

2+

Question 27

Main source of energy of the sperm
A. Glucose
B. Fructose
C. Sucrose

Answer 27

B. Fructose

Question 28

Plasminogen activator is needed for this process
A. Capacitation
B. Spermiation
C. Spermiogenesis
D. Steroidgenesis

Answer 28

B. Spermiation

Question 29

Stage of spermatogenesis 
A. Capacitation
B. Spermiation
C. Spermiogenesis
D. Steroidgenesis

Answer 29

C. Spermiogenesis

Question 30

Across all reaction occurs here
A. Capacitation
B. Spermiation
C. Spermiogenesis
D. Steroidgenesis

Answer 30

A. Capacitation