The Genital (Reproductive) System

Question 1

Diploid cells have how many chromosomes

Answer 1

46

Question 2

Haploid cells have how many chromosomes

Answer 2

23

Question 3

Spermatozoa are produced by

Answer 3

spermatogenesis

Question 4

Ova are produced by

Answer 4

oogenesis

Question 5

Special form of cell division that reduce the number of chromosomes in each daughter cell to one half of those in the parent cell

Answer 5

meiosis

Question 6

Any condensed chromatin with its own centromere is defined as

Answer 6

chromosomes

Question 7

Crossover occurs and daughter cells formed by meiotic division 1 contains half the number of chromosomes occurs in

Answer 7

meiotic division 1

Question 8

reproduces each of the two cells formed by meiotic division 1 and forms four cells, each still with the haploid number of chromosomes occurs in

Answer 8

meiotic division 2

Question 9

the process by which primitive male sex cells become transformed into mature sperm is defined as

Answer 9

spermatogenesis

Question 10

Spermatogenesis begins at ______ and continues _____

Answer 10

at puberty; throughout a mans life

Question 11

the process by which primitive female sex cells become transformed into mature ova is defined as

Answer 11

oogenesis

Question 12

oogonia reproduces to form primary oocytes during

Answer 12

mitosis

Question 13

most primary oocytes begin mitosis and develop to prophase 1 ______; they stay there until _____

Answer 13

before birth; puberty

Question 14

usually how many mature oocytes are enough for ovulation

Answer 14

one

Question 15

testes and ovaries are gonads and they are _____ organs

Answer 15

essential

Question 16

genital ducts, glands, and supportive structures in the male are _____ organs

Answer 16

accessory

Question 17

convey sperm to the outside of the body

Answer 17

genital ducts

Question 18

produce secretions that serve to nourish, transport, and mature sperm

Answer 18

glands

Question 19

epididymides, vasa deferentia, ejaculatory ducts, urethra are all

Answer 19

genital ducts

Question 20

seminal vesicles, prostate, bulbourethral glands are all

Answer 20

glands

Question 21

scrotum, penis, spermatic cords are all

Answer 21

supportive structures

Question 22

urogenital triangle and anal triangle are the two parts of the

Answer 22

perineum

Question 23

which testes is usually 1 cm lower than the other

Answer 23

left

Question 24

what sends out partitions that divide each testis into lobules that contain interstitial cells and seminiferous tubules

Answer 24

tunica albuginea

Question 25

what cells support and regulate developing germ cells and secrete the hormone inhibin

Answer 25

sustentacular cells sertoli cells

Question 26

releasing hormone in the hypothalamus and follicle stimulating hormone in the anterior pituitary (slows down sperm production if needed)

Answer 26

inhibits gonadotropin

Question 27

what hormone regulates metabolism, promotes maleness, is controlled by gonadotropic hormones in the APG, and works on a negative feedback loop

Answer 27

testosterone

Question 28

what hormone is produced by sustentacular cells, controls sperm production rate

Answer 28

inhibin

Question 29

what hormone stimulates sperm production

Answer 29

follicle-stimulating hormone

Question 30

what hormone stimulates testosterone production

Answer 30

luteinizing hormone

Question 31

if there is less follicle stimulating hormone (FSH) and less luteinizing hormone (LH) there will be less

Answer 31

testosterone

Question 32

what part of sperm is covered by acrosomes that contains enzymes that will break down cervical mucus which will allow sperm to pass into the uterus

Answer 32

head

Question 33

what part of sperm contains the mitochondria which provides energy for sperm locomotion

Answer 33

midpiece

Question 34

what part of sperm twirls to allow locomotion

Answer 34

tail

Question 35

the 2 epididymis, 2 vas deferens, 2 ejaculatory ducts, and 1 urethra are all

Answer 35

reproductive ducts

Question 36

the epididymis store sperm for how long

Answer 36

1-3 weeks

Question 37

what duct extends from the tail of the epididymis to the join the duct from the seminal vesicle and has thick muscular walls

Answer 37

vas deferens

Question 38

what is the procedure that severs or clamps the vas deferens

Answer 38

vasectomy

Question 39

what is located posterior to the bladder and secretes a liquid that makes up 60% of the semen

Answer 39

seminal vesicle

Question 40

what lies just below the bladder and secretes a watery, milky, slightly acidic fluid

Answer 40

prostate gland

Question 41

what is the most common nonskid type of cancer in American men

Answer 41

prostate cancer

Question 42

what gland is like little peas found in the muscle of the pelvic floor and secretes an alkaline (basic) fluid

Answer 42

bulbourethral gland

Question 43

what is the skin-covered pouch suspended from the perineal region

Answer 43

scrotum

Question 44

what is the external separation ridge of the scrotum

Answer 44

raphe

Question 45

what is the internal separation of the testes

Answer 45

scrotal septum

Question 46

what is just below the skin of the scrotum and contracts for slight elevation of the testes

Answer 46

dartos muscle/fascia

Question 47

what is the serous membrane that allows the testis to slide around

Answer 47

tunica vaginalis

Question 48

what is the folded, loose-fitting, retractable casing (foreskin) at the distal end of the penis

Answer 48

prepuce

Question 49

what is the cylindric casing of white, fibrous tissue

Answer 49

spermatic cord

Question 50

what structure secretes the most seminal fluid

Answer 50

seminal vesicles (60%)

Question 51

seminiferous tubules - rete testis - efferent ductules - epididymis - vas deferens - ejaculatory ducts - urethra is

Answer 51

the course of sperm

Question 52

normal sperm count is

Answer 52

50-150 million sperm/mL

Question 53

ducts or modified duct structures, vulva (external genitalia), additional glands are what kind of organs

Answer 53

accessory

Question 54

ovaries are what kind of organs

Answer 54

essential

Question 55

what is located one on each side of the uterus, blow and behind the uterine tubes that attach to the posterior surface of the broad ligament

Answer 55

ovaries

Question 56

what part of the ovaries has thousands of ovarian follicles

Answer 56

cortex

Question 57

what part of the ovaries contains connective tissue cells, blood vessels, nerves, and lymphatics

Answer 57

medulla

Question 58

what is the release of the ovum at the end of oogenesis (oocyte maturation) called

Answer 58

ovulation

Question 59

what hormone prevents follicle-stimulating hormone from being released

Answer 59

progesterone and inhibin

Question 60

what hormone prevents the uterus from contracting

Answer 60

relaxin

Question 61

what hormone maintains the uterine wall for implantation of a fertilized ovum

Answer 61

estrogen

Question 62

if there is fertilization then what will maintain the corpus luteum

Answer 62

human chronic gonadpotropin (hCG)

Question 63

what is the funnel shaped lateral part that extends over the ovary and opens directly into the abdominal cavity

Answer 63

infundibulum

Question 64

what is the middle dilated portion of the uterine tubes

Answer 64

ampulla

Question 65

what is the medial third that attaches to the uterus in the uterine tubes

Answer 65

isthmus

Question 66

what is the site of fertilization

Answer 66

uterine tubes

Question 67

what is located between the bladder and the rectum and is normally "ante flexed" or bent forward

Answer 67

uterus

Question 68

what ligament folds of peritoneum and the uterus is suspended between the two folds

Answer 68

broad ligament

Question 69

what ligament folds of peritoneum that anchors the uterus to the back wall

Answer 69

uterosacral ligament

Question 70

what ligament creates a fold between the uterus and the rectum and makes the "rectouterine pouch" which has clinical significance

Answer 70

posterior ligament

Question 71

what ligament anchors the uterus to the posterior surface of the bladder

Answer 71

anterior ligament

Question 72

what ligament works through the inguinal canal

Answer 72

round ligament