A&P Practice Questions Final Chapter28 Flashcards
In the female fetus, the absence of testosterone results in the development of the external genitalia into clitoris, labia minora, and labia majora.
- True
- False
A
The uterus is a thick muscular chamber inferior to the urinary bladder.
- True
- False
B
The vagina has no glands but it is moistened by mucus from glands in the cervical canal.
- True
- False
A
Although two breast cancer genes are known, most cases are nonhereditary.
- True
- False
A
Inhibin modulates the secretion of LH.
- True
- False
B
The number of ovarian follicles declines with age, leading to a reduction of estrogen levels.
- True
- False
A
The ovarian cycle typically lasts about 28 days, with day 1 considered to be the first day after ovulation.
- True
- False
B
Most primary oocytes undergo atresia during climacteric.
- True
- False
B
The proliferative phase of the uterus is driven by estrogen from the ovaries.
- True
- False
A
In the excitement phase, the uterus rises from its forward-tilted (anteverted) position.
- True
- False
A
Unlike men, women lack a refractory period and may experience successive orgasms.
- True
- False
A
Human chorionic gonadotropin (HCG) stimulates the corpus luteum to grow and secrete estrogen and progesterone.
- True
- False
A
Progesterone stimulates uterine contractions.
- True
- False
B
Prolactin is secreted during pregnancy to stimulate milk synthesis so that milk will be available by the time the infant is born.
- True
- False
B
Oxytocin stimulates contraction of myoepithelial cell of the mammary acini.
- True
- False
A
Which of the following is a part of the internal female genitalia?
- Vagina
- Clitoris
- Labia majora
- Labia minora
- Mammary gland
A
In which structure does fertilization usually occur?
- Urethra
- Uterus
- Ovary
- Urinary bladder
- Uterine tube
E
Which of the following structures is composed of a theca folliculi, granulosa cells, a zona pellucida, and a secondary oocyte?
- Primary follicle
- Secondary follicle
- Tertiary follicle
- Corpus luteum
- Corpus albicans
B
What structure leads from each ovary to the uterus?
- Uterine tube
- Vagina
- Urethra
- Vas deferens
- Copulatory duct
A
Which uterine layer is composed of a simple columnar epithelium containing tubular glands?
- Fimbrium
- Myometrium
- Endometrium
- Cervix
- Perimetrium
C
Which of the following is not a component of the vulva?
- Vaginal orifice
- Mons pubis
- Clitoris
- Cervix
- Labia minora
D
In the premenstrual phase of the menstrual cycle, which arteries rhythmically constrict and dilate causing endometrial ischemia?
- Uterine
- Arcuate
- Spiral
- Internal iliac
- Ovarian
C
After puberty, which epithelium lines the vagina?
- Simple squamous epithelium
- Stratified squamous epithelium
- Transitional epithelium
- Simple columnar epithelium
- Simple cuboidal epithelium
B
Where does an embryo usually attach to its mother?
- To the endometrium
- To the perimetrium
- To the myometrium
- To the lining of the uterine tube
- To the lining of the vagina
A
What provides most of the natural lubrication during female sexual excitement?
- Seminiferous tubules
- Vaginal mucosa
- Vestibular bulbs
- Greater vestibular glands
- Lesser vestibular glands
D
The nonpregnant uterine wall consists mostly of __________.
- perimetrium
- endometrium
- dense regular connective tissue
- dense irregular connective tissue
- myometrium
E
Which of these is not found in the vestibule?
- Urinary orifice
- Mons pubis
- Vaginal orifice
- Labia minora
- Clitoris
B
__________ are found in both male and female external genitalia, but the ___________ is/are only found in the female.
- Corpora cavernosa; urethral orifice
- Corpora cavernosa; bulbourethral glands
- Corpora cavernosa; vestibular bulbs
- Corpus spongiosum; mons pubis
- Corpus spongiosum; urethral orifice
C
When do mammary glands primarily develop within the breasts?
- During the last weeks of fetal development
- At birth
- During infancy
- During puberty
- During pregnancy
E
What determines breast size?
- The amount of adipose tissue
- The amount of collagenous fiber
- The size of lactiferous sinuses
- The amount of mammary gland tissue E. Muscle tone
A
Where are follicles located?
- Medulla of the ovary
- Cortex of the ovary
- Center of the ovum
- Epithelium of the endometrium
- Epithelium of the placenta
B
What is the earliest sign of puberty in girls?
- The onset of breast development
- The appearance of pubic and axillary hair
- The appearance of sebaceous and axillary glands
- The first menstrual period
- The increase in muscle mass
A
Which of the following is considered a "feminizing hormone"?
- Female gonadotropin-releasing hormone
- Follicle-stimulating hormone
- Androgen
- Androgen and progesterone
- Estrogen
E
Which hormone acts primarily on the uterus?
- Estrogen
- Androgen
- Progesterone
- Follicle-stimulating hormone
- Luteinizing hormone
C
The appearance of pubic and axillary hair is characteristic of which stage of puberty?
- Menopause
- Climacteric
- Thelarche
- Pubarche
- Menarche
D
What is the midlife change in estrogen and progesterone levels referred to as?
- Climacteric
- Menopause
- Atresia
- Menarche
- Pubarche
A
What is the cessation of menstruation referred to as?
- Menarche
- Menopause
- Climacteric
- Pubarche
B
During climacteric, what can cause hot flashes?
- Vasoconstriction of cutaneous arteries
- Vasodilation of cutaneous arteries
- Vasodilation of cranial arteries
- Vasoconstriction of cranial arteries
- Vasodilation of facial arteries
B
What does the term "menstrual cycle" specifically refer to?
- The sequence of events from fertilization to giving birth
- The events that recur every month during pregnancy
- The cyclic events happening from puberty to menopause
- The cyclic changes in the uterus determined by shifting hormonal changes
- The cyclic changes in the ovaries determined by shifting hormonal changes
D
What is an ovulated egg more technically referred to as?
- A primary oocyte
- A secondary oocyte
- A primary follicle
- A secondary follicle
- A tertiary follicle
B
Which stage of meiosis is an ovulated egg in?
- Prophase I
- Metaphase I
- Telophase I
- Prophase II
- Metaphase II
E
When does an ovum finish meiosis?
- During fertilization
- During implantation
- While in a secondary follicle
- While in a primary follicle
- While in a tertiary follicle
A
Most ovulation home test kits measure a surge of which hormone?
- FSH
- LH
- Estradiol
- Progesterone
- HCG
B
In ovulation, after expelling the oocyte the follicle becomes a __________ and secretes __________.
- corpus albicans; FSH and LH
- corpus albicans; estrogen and progesterone
- corpus luteum; FSH and LH
- corpus luteum; estrogen and progesterone
- corpus albicans; progesterone
D
What is a follicle composed of?
- An organ in the ovary
- An oocyte
- An oocyte enclosed in follicular or granulosa cells
- A group of granulosa cells
- A group of follicular cells
C
Which follicle stage is characterized by the development of a corona radiata?
- Primary
- Secondary
- Tertiary
- Graafian
C
When does oogenesis begin?
- During embryonic development
- At birth
- During thelarche
- During pubarche
- During menarche
A
In the adult ovary, more than 90% of the follicles are found as __________.
- Primary follicles
- Secondary follicles
- Tertiary follicles
- Graafian follicles
- Primordial follicles
E
During the follicular phase, granulosa cells secrete __________, which stimulates secretion of __________.
- estradiol; LH
- estradiol; FSH
- estradiol; GnRH
- progesterone; FSH
- progesterone; LH
A
Which of these blood hormone levels reaches its maximum during the luteal phase?
- GnRH
- FSH
- LH
- Progesterone
- Estradiol
D
What hormone(s) inhibit(s) the secretion of FSH and LH during the female sexual cycle?
- GnRH
- Estradiol and progesterone
- Estradiol
- Progesterone
- Androgens
B
What do lutein cells develop from?
- The corona radiata
- The corpus luteum
- The theca interna
- The granulosa cells
- The corpus albicans
C
Which phase of the menstrual cycle is the one associated with menstrual cramps?
- Proliferative
- Secretory
- Follicular
- Premenstrual
- Luteal
D
Which of the following occurs during the proliferative phase of the menstrual cycle?
- Several follicles are developing an antrum
- The corpus luteum is shrinking
- The corpus luteum is enlarging
- Oogonia are transforming into primary oocytes
- The oocyte completes meiosis II
A
The __________ sometimes expels copious fluid similar to prostatic fluid, which constitutes the female ejaculate.
- prostate gland
- paraurethral glands
- bulbourethral glands
- vestibular bulb
- vaginal epithelium
B
During the plateau phase of the sexual response, the glans and clitoris swell as the deep arteries dilate and the __________ engorge with blood.
- uterine walls
- vaginal walls
- corpora cavernosa
- corpus spongiosum
- vestibular glands
C
During __________, the uterus is tented (erected) and the cervix is withdrawn from the vagina. Typically, the clitoris is engorged and the labia are bright red to violet due to hyperemia.
- excitement
- detumescence
- orgasm
- resolution
- pregnancy
A
In early pregnancy, what hormone stimulates growth of the corpus luteum?
- Human chorionic gonadotropin
- Follicle-stimulating hormone
- Human chorionic somatomammotropin
- Adrenocorticotropic hormone
- Progesterone
A
Pregnancy kits test for the presence of what hormone?
- Progesterone
- Human chorionic gonadotropin
- Estrogen
- Leutinizing hormone
- Follicle-stimulating hormone
B
Contraceptive pills mimic the ___________ feedback effect of ___________.
- positive; FSH and LH
- positive; estrogens and progesterone
- negative; FSH and LH
- negative; human chorionic gonadotropin (HCG)
- negative; estrogens and progesterone
E
Between weeks 3 and 8 of development, a developing individual is considered a __________.
- trophoblast
- zygote
- blastocyst
- embryo
- fetus
D
Which form of estrogen is the most potent in pregnancy?
- Estriol
- Estrone
- Estradiol
- Androstenedione
- Equilinin
C
Which of the following provides fetal nutrition and secretes hormones that regulate pregnancy and fetal development?
- The uterus
- The myometrium
- The endometrium
- The blastocyst
- The placenta
E
What is the longest stage of labor?
- The dilation stage
- The expulsion stage
- The placental stage
- The postpartum stage
- The puerperium stage
A
Milk ejection occurs as a result of stimulation of nerve endings in the ___________, which leads to the release of ___________ from the pituitary.
- mammary acini; oxytocin
- mammary acini; prolactin
- nipple and areola; oxytocin
- nipple and areola; prolactin
- nipple and areola; progesterone
C
Why is breast milk superior to cow's milk for an infant?
- Cow's milk provides fewer calories per mL.
- Cow's milk provides less calcium per mL.
- Cow's milk provides less phosphorous per mL.
- Cow's milk has too much protein and minerals in it.
- It is a myth; cow's milk is equal in quality to breast milk.
D
What is the infant's only source of nutrition during the first 2-3 days postpartum?
- Casein
- Colostrum
- Lactose
- Meconium
- Fructose
B
The medial pole of the ovary is attached to the uterus by which ligament?
- Suspensory ligament
- Ovarian ligament
- Mesovarium
- Broad ligament
B
The anterior margin of the ovary is anchored by a peritoneal fold called the __________.
- broad ligament
- ovarian ligament
- suspensory ligament
- mesovarium
D
The ovary receives blood from which artery/arteries?
- Ovarian
- Uterine
- Ovarian and uterine
- Broad
- Ovarian and broad
C
During climacteric, women secrete __________.
- less estrogen and progesterone
- more estrogen and progesterone
- less estrogen and more progesterone
- more estrogen and less progesterone
A
Which of the following is true of the female sexual response?
- Women do not have a refractory period and may quickly experience additional orgasms.
- The engorged clitoris can swing upward away from the body like the penis.
- The vagina has a high concentration of sensory nerve endings.
- The uterus tilts forward over the urinary bladder during excitement.
A
Why do pregnant women often have heartburn?
- The mother's body is purging itself of toxins to protect the fetus.
- Elevated levels of estrogens cause morning sickness.
- There is reduced intestinal motility.
- As the uterus enlarges it pushes upward on the stomach, causing gastric reflux.
D
Women with morning sickness tend to prefer spicy and pungent foods.
- True
- False
B
"False labor" is a result of what type of contractions?
- Graafian
- Masters Johnson
- Braxton Hicks
- Skene
C
When an infant suckles at its mother's breast, milk moves through the breast structures in what order?
- Acinus - lactiferous duct - lactiferous sinus - nipple
- Lactiferous duct - acinus - lactiferous sinus - nipple
- Lactiferous sinus - lactiferous duct - acinus - nipple
- Lactiferous sinus - acinus - lactiferous duct - nipple
A
How is colostrum different than breast milk?
- It has one-third less protein.
- It has one-third less lactose.
- It has one-third less fat.
- It has one-third the number of immunoglobulins.
C
Which of the following is not a benefit of breast feeding?
- It is more easily digested and absorbed than cow's milk.
- It helps clear meconium from the baby's intestine.
- It reduces the incidence of jaundice in neonates.
- It prevents colonization of the neonatal intestine with beneficial bacteria.
D