Reproductive System Final Review
uterus
A fertilized egg must embed in which one of the following organs for pregnancy to occur?
spermatids
As sperm are produced, they go through several stages. Which one of the following stages develops directly into mature motile sperm?
FSH
At the beginning of each ovarian cycle, which one of the following hormones causes the development of a primary oocyte?
14
At which one of the following days in the 28-day cycle is a woman MOST likely to get pregnant?
sympathetic nerves
During ejaculation, smooth muscle in the ejaculatory duct, seminal vesicles, epididymis, prostate, and bulbourethral glands are stimulated by...
prevent urine from leaking into the urethra.
During male ejaculation, the internal urethral sphincter closes tightly to...
penis and scrotum
External genitalia of the male reproductive system include the...
secrete lubricants for penis insertion.
Female sexual arousal causes the vagina and area around the labia to...
stimulate the endometrium to continue to proliferate.
Following ovulation, rising levels of estrogen..
corpus luteum
If fertilization does not occur following release of the egg by the ovary, then which one of the following degenerates approximately two weeks after ovulation?
corpus luteum
If fertilization does not occur following the release of the egg by the ovary, then which one of the following degenerates approximately two weeks after ovulation?
hCG
If pregnancy does occur, a layer of tissue from the embryo called the chorion begins to secrete which one of the following hormones?
oviduct
In which one of the following locations does fertilization usually occur?
not be able to penetrate a egg
Not all sperm produced by the testes are functional. A sperm with a defective acrosome would...
a layer of granulosa cells
Nourishment is provided to a primary oocyte via which one of the following?
during the middle of the proliferative phase of the menstrual cycle
Ovulation occurs....
the hormonal action of estrogen and progesterone
Prior to the onset of lactation, the mammary glands are prepared for the production of milk by...
ovulation
Shortly before the midpoint of the menstrual cycle, estrogen from the mature follicle triggers a surge in LH, which stimulates which one of the following events?
seminiferous tubules
Synthesis of new sperm cells occurs in the...
rate of sperm production
The influence of testosterone on undifferentiated spermatogonia and Sertoli cells results in the hormone dictating...
cervix
The opening of the uterus is referred to as the...
hypothalamus; anterior pituitary gland
The production and secretion of testosterone depends on the secretion of three other hormones; GnRH is secreted by the ________, and FSH and LH are secreted by the ________.
blood levels of testosterone are low.
The release of LH in human males signals that...
fructose
The seminal vesicles produce which one of the following to serve as the energy source to fuel sperm motility?
Deliver sperm into the female's reproductive system
The ultimate goal of the male reproductive system is to...
True
True or false. As many as one-third of all pregnancies end in miscarriage.
False
True or false. Eggs are moved through the oviduct by rhythmic muscle movements.
True
True or false. Endometrial tissue sometimes migrates out of the uterus and attaches to other abdominal organs.
True
True or false. FSH causes granulosa cells to divide and secrete a sugary coating of glycoproteins around the oocyte.
True
True or false. Fertilization of an egg usually occurs in the upper third of an oviduct.
False
True or false. LH is released by the anterior pituitary gland to stimulate Sertoli cells to produce sperm.
True
True or false. Males are considered infertile if they do not produce sufficient numbers of normal, healthy sperm.
True
True or false. Secretions from the bulbourethral gland lubricate and cleanse the urethra of urine residue prior to the entry of sperm.
True
True or false. Since the chance of any one particular sperm fertilizing an egg is very low, large numbers of sperm are produced by the male reproductive system.
True
True or false. Testosterone controls the rate of sperm production.
False
True or false. The inner lining of the uterus is termed the myometrium.
True
True or false. The menstrual cycle actually consists of 2 cycles that are interconnected: the ovarian cycle and the uterine cycle.
True
True or false. The symptoms of HPV can be treated, but there is no cure.
False
True or false. Trichomoniasis is a bacterial infection that is sexually transmitted; chronic infection often results in blindness, damage to the nervous system, and eventually death.
True
True or false. Untreated gonorrhea or untreated Chlamydia infections may result in sterility.
oviduct
When the oocyte is released from the ovary, it is transported to the uterus through the...
progesterone
Which hormone causes the endometrium to thicken in preperation for implantation?
estrogen, progesterone
Which hormone prepares mammary glands for lactation?
prolactin
Which hormone stimulates lactation?
GnRH
Which hormone stimulates release of FSH and LH from the anterior pituitary gland?
LH
Which hormone stimulates testosterone production in males?
hCG
Which one of the following hormones would be tested for in a home pregnancy test?
contain the haploid number of chromosomes
Which one of the following is TRUE regarding mature human gametes?
C
Which one of the following stages in the figure above occurs due to a surge of LH midway through the ovarian cycle?
corpus luteum
Which one of the following structures degenerates if a fertilized egg does not embed in the uterus?
surge in LH from the anterior pituitary gland
You are a reproductive physiologist designing an at-home kit that can be used to help predict when ovulation occurs. Which one of the following could be detected that would indicate the time of ovulation?
