HESI Reproductive Male

Question 1

the testes are how many degrees below the body cavity

Answer 1

3 degrees C

Question 2

The ___ muscle is located in the superficial fascia of the scrotum and septum. Contraction of this muscle creates wrinkles in skin. The wrinkles thickens skin to reduce heat loss

Answer 2

dartos muscle

Question 3

The ___ muscles contract to lift the scrotum (also to avoid heat loss

Answer 3

cremaster muscle

Question 4

Testes structure. The ___ ___ is a 2 layer outer serous membrane

Answer 4

tunica vaginalis

Question 5

The tunica ___ lies inside the tunica vaginalis and divides each testis into compartments called lobules

Answer 5

tunica albuginea

Question 6

1 to 4 tightly coiled tubes, the ___ ___ are in each lobules

Answer 6

seminiferous tubules

Question 7

The seminiferous tubules are the sites of ___ production

Answer 7

sperm

Question 8

cells that form sperm

Answer 8

spermatogenic cells

Question 9

cells that support developing sperm are called ___ cells or ___ cells

Answer 9

sustentacular cells

sertoli cells

Question 10

The coiled seminiferous tubules inside each lobule unite to form a straight tube, the tubulus ___

Answer 10

rectus

Question 11

The ___ ___ is a network of tubes formed by the merging of the tubulus recti from each lobule

Answer 11

rete testis

Question 12

The___ ducts transport sperm out of the testis (from the rete testis)

Answer 12

efferent ducts

Question 13

The efferent ducts transport sperm from the rete testis to the ___

Answer 13

epididymis

Question 14

___ cells surrounding the seminiferous tubules secrete testosterone and other androgen hormones

Answer 14

interstitial cells

Question 15

A comma shaped organ that lies next to each testis

Answer 15

epididymis

Question 16

Each epididymis has a tightly coiled tube, the ___ ___ where sperm complete their maturation

Answer 16

ductus epididymus

Question 17

After maturation, sperm are stored in the ___ ___

Answer 17

ductus epididymis

Question 18

During ejaculation, smooth muscles encircling the epididymis contract, forcing mature sperm into the next tube, the ___ ___

Answer 18

ductus deferens

Question 19

The ductus deferens is also called the ___ ___

Answer 19

vas deferens

Question 20

The vas deferens goes up into the body, around the bladder, and together with the duct from the ___ vesicle, joins the ejaculatory duct

Answer 20

seminal vesicle

Question 21

The ___ ducts are short tubes that connect each vas deferens to the urethra

Answer 21

ejaculatory ducts

Question 22

the 3 regions of the urethra

Answer 22

prostatic
membranous
spongy (penile)

Question 23

The ___ ___ contains blood vessels, lymphatic vessels, nerves, cremaster muscle. It connects each testis to the body cavity

Answer 23

spermatic cord

Question 24

The ___ ___ secrete into the vas deferens an alkaline fluid, fructose, a prostaglandins

Answer 24

the seminal vesicles

Question 25

The ___ ___ secretes a milky, slightly acidic fluid into the urethra.

Answer 25

prostate gland

Question 26

The ___ ___s secrete an alkaline fluid into the spongey urethra. The fluid neutralizes acidic urine in the urethra before ejaculation occurs

Answer 26

the bulbourethral glands

Question 27

The penis has 3 cylindrical masses. 2 of them are ___ ___ which take up the most volume.

Answer 27

corpora cavernosa

Question 28

The 3rd part of the penis is the ___ ___

Answer 28

corpus spongiosum

Question 29

The cells that line the walls of the seminiferous tubules are collectively called spermatogenic cells. Those cells nearest the basement membrane are called ___. They are stem cells

Answer 29

spermatogonia

Question 30

How many chromosomes do spermatogonia have

Answer 30

46

Question 31

Spermatogonia divide by mitosis and differentiate to produce primary ___

Answer 31

spermatocytes

Question 32

The primary spermatocytes, which are still diploid with 46 chromosomes) begin dividing ___

Answer 32

meiosis

Question 33

During the first meiotic division, each primary spermatocyte divides into 2 secondary spermatocytes each with ___ chromosomes (looking for the number of chromosomes)

Answer 33

23

Question 34

In a mature sperm, at the top of the head is the ___

Answer 34

acrosome

Question 35

In a mature sperm, the first part of the tail is the ___

Answer 35

midpiece

Question 36

the midpiece has a lot of a certain organelle, which is

Answer 36

mitochondria

Question 37

Hormonal regulation of spermatogenesis. The hypothalamus begins secreting ___ ___ ___ at puberty

Answer 37

gonadotropin releasing hormone (GnRH)

Question 38

GnRH stimulates the ___ pituitary to secrete ___ ___ ___ and ___ ___

Answer 38

anterior pituitary
Follicle stimulating hormone
Luteinizing hormone

Question 39

LH stimulates the interstitial cells in the testes to produce ___

Answer 39

testosterone

Question 40

Testosterone and other male hormones are called

Answer 40

androgens

Question 41

This hormone is released from the hypothalamus and stimulates cells in the anterior pituitary

Answer 41

GnRH

Question 42

_________ , which is secreted by the placenta, stimulates the synthesis and secretion of testosterone before birth.

Answer 42

HCG

Question 43

Testosterone has a negative-feedback effect on 3 hormones

Answer 43

GnRH
FSH
LH

Question 44

n the male, the process in which sperm cells, secretions of the prostate, and secretions of the seminal vesicles accumulate in the prostatic urethra is called

Answer 44

emission

Question 45

The visceral peritoneum covering the surface of the ovary is

Answer 45

germinal epithelium

Question 46

At birth, a girl has in her ovaries many __________ that have started meiosis but stopped at prophase I

Answer 46

primary oocytes

Question 47

A primary oocyte divides to produce 2 things-

Answer 47

secondary oocyte

polar body