A&P II Chapter 27 & 28 Lab – Flashcards
Unlock all answers in this set
Unlock answersquestion
The essential organs of reproduction are the __________, which produce the sex cells.
answer
gonads
question
The paired oval testes lie in the __________ outside the abdominopelvic cavity, where they are kept slightly cooler than body temperature.
answer
scrotum
question
After sperm are produced, they enter the first part of the duct system, the __________.
answer
epididymis
question
The prostate, seminal glands, and bulbo-urethral glands produce __________, the liquid medium in which sperm leaves the body.
answer
seminal fluid
question
The __________ produce testosterone, the hormonal product of the testis.
answer
interstitial endocrine cells
question
The endocrine products of the ovaries are estrogen and __________.
answer
progesterone
question
The __________ is/are homologous to the penis.
answer
clitoris
question
The __________ is a pear-shaped organ that houses the embryo or fetus during its development.
answer
uterus
question
The __________, the thick mucosal lining of the uterus, has a superficial layer that sloughs off periodically.
answer
endometrium
question
A developing egg is ejected from the ovary at the appropriate stage of maturity in an event known as __________.
answer
ovulation
question
What urinary tract structure does an enlarged prostate usually compress, making urination difficult in an individual suffering from benign prostatic hyperplasia (BPH)?
answer
urethra
question
Which condition, other than BPH, would you expect to cause a rise in the level of prostate specific antigen (PSA)?
answer
prostatitis
question
Which of the following is the site where sperm are stored until they are ejaculated?
answer
tail of the epididymis
question
If a male undergoes a vasectomy, which of the following can no longer take place?
answer
passage of sperm cells from the epididymis to the penis
question
Which of the following is/are contained within the spermatic cord?
answer
testicular arteries and veins
question
Which portion of the penis is removed during circumcision?
answer
prepuce (foreskin)
question
Which of these male accessory ducts transports both sperm cells and urine?
answer
urethra
question
Which of these does NOT empty materials into the area of the prostatic urethra?
answer
bulbo-urethral gland
question
What part of the female system is the usual site of fertilization of the ovulated oocyte?
answer
uterine (fallopian) tube
question
Which layer of the uterus is made of smooth muscle?
answer
myometrium
question
Which of the following represents the correct pathway of the egg after leaving the ovary and entering the uterine tube?
answer
infundibulum, ampulla, isthmus, uterus
question
Which of these structures directly encloses the vestibule?
answer
labia minora
question
Which structure(s) of the female's external genitalia has/have erectile tissue?
answer
clitoris
question
Which of these would be included in the female peritoneum but NOT the urogenital triangle?
answer
anus
question
What part(s) of the breast produce(s) milk?
answer
alveoli
question
The mammary glands are classified as being part of which of the following systems?
answer
integumentary system
question
What is the pigmented ring of skin surrounding the nipple?
answer
areola
question
Which part of this reproductive organ is highlighted?
fundus
cervix
vagina
body
answer
body
question
Which part of this reproductive organ is highlighted?
vagina
ovary
clitoris
cervix
answer
cervix
question
What hormone would cause mucus secreted by the highlighted structure to be thicker and stickier?
estrogen
luteinizing hormone
follicle stimulating hormone
progesterone
answer
progesterone
question
Which structures are highlighted?
prepuce
corpora cavernosa
corpus spongiosum
spongy urethra
answer
corpora cavernosa
question
Which structure is highlighted?
corpus spongiosum
glans penis
prostatic urethra
prostate
answer
corpus spongiosum
question
Which structure is highlighted?
epididymis
seminal vesicle
ductus deferens
testis
answer
ductus deferens
question
What happens to a sperm as it passes through the highlighted structure?
It remains immature and immobile.
It becomes mobile and capable of fertilization.
It divides, producing new sperm.
It fertilizes any eggs.
answer
It becomes mobile and capable of fertilization.
question
What is a function of the highlighted structure?
to produce hormones that will assist with oocyte development
to sweep a released ovum into the uterine tube
to provide a site of implantation for a fertilized egg
to help regulate the temperature of the ovaries
answer
to sweep a released ovum into the uterine tube
question
Which part of this reproductive organ is highlighted?
vagina
fundus
body
cervix
answer
fundus
question
Which structures are highlighted?
vestibular bulbs
corpora cavernosa
labia majora
labia minora
answer
labia minora
question
Which structure is highlighted?
round ligament
broad ligament
ovarian ligament
uterine tube
answer
round ligament
question
Which structure is highlighted?
corpus spongiosum
glans penis
tunica albuginea
corpus cavernosum
answer
glans penis
question
Which structure is highlighted?
right ovary
right ovarian ligaments
right uterine tube
right round ligaments
answer
right uterine tube
question
Which structure is highlighted?
epididymis
scrotum
testis
penis
answer
scrotum
question
Which structure is highlighted?
ejaculatory duct
prostatic urethra
membranous urethra
spongy urethra
answer
spongy urethra
question
Which organ is highlighted?
epididymis
testis
spermatic cord
scrotum
answer
testis
question
Which structure is highlighted?
scrotum
internal spermatic fascia
tunica albuginea
tunica vaginalis
answer
tunica albuginea
question
What muscle is responsible for voluntary release of urine from the highlighted organ into the urethra?
external urethral sphincter
internal urethral sphincter
trigone muscle
detrusor muscle
answer
external urethral sphincter
question
Which organ is highlighted?
rectum
urinary bladder
ovary
uterus
answer
urinary bladder
question
What type of epithelium lines the highlighted structure?
stratified squamous
pseudostratified columnar
transitional
simple columnar
answer
stratified squamous
question
Which structure is highlighted?
antrum
primary follicle
corpus luteum
vesicular (mature) follicle
answer
antrum
question
Which structure is highlighted?
basal lamina
areolar connective tissue
basement membrane
basal layer of epithelium
answer
basement membrane
question
Which structure in the testis is highlighted?
tunica vaginalis
tunica albuginea
adventitia
cortex
answer
tunica albuginea
question
Which hormone is secreted by the highlighted cells?
follicle stimulating hormone
estrogen
progesterone
prolactin
answer
progesterone
question
Which structure is highlighted?
collagen fibers
elastic fibers
tails of sperm
heads of sperm
answer
tails of sperm
question
Which structure is highlighted?
spermatogonia
sustentacular cell nuclei
spermatids
primary spermatocytes
answer
spermatogonia
question
Which structure is highlighted?
primary spermatocytes
sperm
spermatogonia
spermatids
answer
sperm
question
Which structure is highlighted?
secondary follicle
primordial follicle
primary follicle
atretic follicle
answer
secondary follicle
question
Which structure is highlighted?
primordial follicle
primary follicle
oocyte
secondary follicle
answer
primary follicle
question
Which structure is highlighted?
theca lutein cells
granulosa lutein cells
granulosa cells
connective tissue septa
answer
granulosa lutein cells
question
Which structure is highlighted?
fibroblast nuclei
heads of sperm
red blood cells
tails of sperm
answer
heads of sperm
question
Which structure is highlighted?
sustentacular cell nuclei
interstitial cells
primary spermatocyte
spermatids
answer
sustentacular cell nuclei
question
Which structure is highlighted?
zona pellucida
theca interna
granulosa cells
corona radiata
answer
granulosa cells
question
Which hormones secreted by the ovary induce development of the highlighted layer during the proliferative phase of the uterine cycle?
estrogen
follicle stimulating hormone (FSH)
luteinizing hormone (LH)
progesterone
answer
estrogen
question
Which structure is highlighted?
endometrium
antrum
cortex
medulla
answer
cortex
question
Which structure is highlighted?
corpus albicans
corpus luteum
antrum
vesicular follicle
answer
corpus luteum
question
Which structure is highlighted?
connective tissue septa
corpus albicans
theca lutein cells
granulosa lutein cells
answer
connective tissue septa
question
Which structure is highlighted?
theca interna
corona radiata
zona pellucida
granulosa cells
answer
corona radiata
question
Human gametes contain __________ chromosomes.
answer
23
question
The end product of meiosis is __________.
answer
four haploid daughter cells
question
A grouping of four chromatids, known as a __________, occurs only during __________.
answer
tetrad; meiosis
question
__________ extend inward from the periphery of the seminiferous tubule and provide nourishment to the spermatids as they begin their transformation into sperm.
answer
Sustentocytes
question
The __________ of the sperm contains enzymes involved in the penetration of the egg.
answer
acrosome
question
Within each ovary, the immature ovum develops in a saclike structure called a __________.
answer
follicle
question
As the primordial follicle grows and its epithelium changes from squamous to cuboidal cells, it becomes a(n) __________ and begins to produce estrogens.
answer
primary follicle
question
A sudden release of luteinizing hormone by the anterior pituitary triggers ovulation.
answer
True
question
The __________ is a solid glandular structure with a scalloped lumen that develops from a ruptured follicle.
answer
corpus luteum
question
The __________ phase of the female cycle occurs from days 1-5 and is signaled by the sloughing off of the thick functional layer of the endometrium.
answer
menstrual
question
What peritoneum-associated cell is thought to develop into endometrial tissue, causing endometriosis?
answer
mesothelium
question
All of the following conditions occurring in the left lower abdominal region could be misdiagnosed as endometriosis EXCEPT for __________.
answer
appendicitis
question
Which of the following is the final product of spermiogenesis?
answer
spermatozoa
question
Which of these cells would contain 23 unpaired chromosomes?
answer
early spermatids
question
Which of the following cells remains at the basal lamina to continue the pool of dividing germ cells?
answer
type A daughter cells
question
Which of the following cells is released during ovulation?
answer
secondary oocyte
question
Which of these is true regarding primary oocytes?
answer
They contain chromosomal tetrads.
question
What is the main difference between oogenesis and spermatogenesis in terms of meiosis?
answer
The number of functional gametes produced is different.
question
What event coincides with the transition from the proliferative phase to the secretory phase?
answer
ovulation
question
During what phase of the female's uterine cycle is the uterine lining shed?
answer
menstrual phase
question
What ovarian structure forms at the beginning of the secretory phase, encouraging its progress, and then degenerates just before menses?
answer
corpus luteum
question
The fertilized egg, or __________, appears as a single cell surrounded by a fertilization membrane and a jellylike membrane.
answer
zygote
question
The uniting of the egg and sperm nuclei is known as __________.
answer
fertilization
question
Cleavage is a series of mitotic divisions without any intervening growth periods and results in a multicellular embryonic body.
answer
True
question
As a result of gastrulation, a __________-layered embryo forms, with each layer corresponding to a primary germ layer.
answer
three
question
The __________ implants in the uterine wall.
answer
blastocyst
question
The __________ gives rise to the epidermis of the skin and the nervous system.
answer
ectoderm
question
By the ninth week of development, the embryo is referred to as a __________.
answer
fetus
question
The placenta is composed solely of embryonic membranes.
answer
False
question
The __________ encases the young embryonic body in a fluid-filled chamber that acts to protect the developing embryo against trauma.
answer
amnion
question
Which of the following implants in the mucosa of the endometrium?
answer
blastocyst
question
A morula has approximately 16 cells. What is the rate of mitotic division that takes place between the 4-cell stage and the morula?
answer
12 hours per cell division
question
The 4-cell stage occurs 2 days after fertilization. How much time passes between the 4-cell stage and implantation?
answer
5 days
question
Together, what do the decidua basalis and the chorionic villi form?
answer
placenta
question
Which of these is the innermost (closest) structure that envelops the embryo?
answer
amnion
question
Which of these statements regarding the embryo is FALSE?
answer
The embryo's blood supply mixes with that of the mother.