ScienceBiologyA&P 28
Please enter something

A&P 28

Uria Lee avatar Uria Lee
25 July 2022
4.7 (114 reviews)
56 test answers

Unlock all answers in this set

Unlock answers (52)
question
The reproductive system
answer
transports gametes nourishes gametes produces gametes stores gametes
question
Arrange the 4 structures in which sperm pass through the testis to the urethral meatus
answer
epididymis ductus deferens ejaculatory duct urethra
question
The organ that carries sperm from the epididymis to the urethra is the
answer
ductus deferens
question
Straight tubules originate at the seminiferous tubules and form a network of passageways called the
answer
rete testis
question
The dense layer of connective tissue that surrounds the testis is called the
answer
tunica albuginea
question
When spermatogonia divide, that daughter cells are called
answer
spermatocytes
question
The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the
answer
seminal gland (seminal vesicle)
question
Semen contains all of the following, except
answer
spermatogonia
question
The external marking of the boundary between the two testes is the
answer
raphe
question
The fold of skin that covers the glans penis is the
answer
prepuce
question
The role of FSH in males is to
answer
initiate sperm production in the testes
question
Which of the following can be found inside the spermatic cord?
answer
nerves lymphatic vessels ductus deferens blood vessels
question
The delicate layer of serous membrane that covers the testis is called the
answer
tunica vaginalis
question
The special type of cell division required to produce gametes is called
answer
meiosis
question
During meiosis I, maternal and paternal chromosomes fuse together during the process called ___ to form a ___.
answer
synapsis; tetrad
question
Testicular nurse cells function in all of the following ways, except that they don't
answer
secrets progesterone-binding protein
question
A typical ejaculation releases approximately ___ sperm.
answer
250 million
question
Where in the male reproductive system would you expect to find the most mature spermatozoa?
answer
in the ductus deferens and ejaculatory duct
question
Contraction of the dartos muscle
answer
tightens the scrotal sac
question
The organ that transports the ovum to the uterus is the
answer
uterine tube
question
During the secretory phase of the menstrual cycle
answer
the corpus luteum is formed progesterone levels are high the fertilized ovum implants endometrial glands enlarge
question
The vulva includes all of the following, except the
answer
vagina
question
The pigmented skin that surrounds the nipple is the
answer
areola
question
The ___ is the region of the vagina that surrounds the cervix.
answer
fornix
question
The segment of the uterine tube where fertilization commonly occurs is the
answer
boundary between the ampulla and isthmus
question
Follicle-stimulating hormone
answer
stimulates maturation of primordial follicles in the ovary
question
Which of the following descriptions best matches the term uterine tube?
answer
has ciliated epithelium
question
Emission and ejaculation
answer
is responsible for propelling semen into the female reproductive tract; begins with peristaltic contradictions of the ampulla; occurs under sympathetic stimulation; involves contraction of the bulbospongiosus muscles
question
Which of the following is (are) a type of sexually transmitted disease?
answer
chlamydia genital herpes gonorrhea AIDS
question
Which of the following does not occur after menopause?
answer
estrogen levels rise
question
Which of these reproductive system hormones is mismatched to its source?
answer
oxytocin; adenohypophysis
question
Which of these structures is the last structure for sperm to go through?
answer
prostatic urethra
question
Sperm are moved along the ductus deferens by ___.
answer
peristaltic contraction
question
Which reproductive gland encircles the urethra as it leaves the bladder and produces an acidic fluid that contributes to semen?
answer
prostate gland
question
Proper function of LH
answer
stimulates ovulation
question
Proper function of FSH
answer
stimulates sustentacular cells of the seminiferous tubules
question
Which of the following is found in the myometrium of the uterus?
answer
arcuate arteries
question
The hormone that promotes spermatogenesis along the seminiferous tubules is ___.
answer
FSH
question
The outer limits of the vulva are established by the ___.
answer
mons pubis and labia majora
question
Proper function of GnRH
answer
released in pulses, this hormone stimulates the release of the reproductive hormones from the pituitary
question
Which of the following does NOT produce a product that contributes to semen?
answer
endometrial glands
question
In the male between the ages of 50 and 60, circulating ___ levels begin to decline, coupled with increases in circulating levels of ___.
answer
testosterone; FSH and LH
question
Engorgement of the erectile tissues of the clitoris and increased secretion of the greater vestibular glands involve neural activity that includes ___.
answer
parasympathetic activation
question
The process of spermiogenesis produces ___.
answer
spermatozoa
question
When spermatozoa became motile and fully functional, they have undergone ___.
answer
capacitation
question
Enzymes that help the sperm penetrate the ovum, or egg, are in the ___ of the sperm cell.
answer
acrosomal cap
question
Starting at the superior end, the uterus in the female is divided into ___.
answer
fundus, body, isthmus, and cervix
question
The rising levels of estrogen as the point of ovulation nears trigger a massive release of ___ from the anterior pituitary.
answer
luteinizing hormone
question
In males, luteinizing hormone ___.
answer
causes secretion of testosterone
question
Which of the following expresses the correct average characteristics and composition of semen?
answer
volume, 4mL; sperm count, 20-100 million/mL
question
In males, meiosis produces ___ spermatids
answer
four haploid
question
Ovum transport in the uterine tubes presumably involves a combination of ___.
answer
ciliary movement and peristaltic contractions
question
Which of the following would NOT cause secondary amenorrhea?
answer
being born without functional ovaries
question
Proper function of progesterone
answer
promotes the secretory phase of the uterine cycle
question
The two-step process necessary for sperm to become mobile is called ___.
answer
capacitation
question
Straight tubules originate at the seminiferous tubules and form a maze of passageways called the ___.
answer
rete testis