Multiple Choice Questions

The ability of a male to ejaculate is due to the action of ________.
  • the seminal vesicles
  • the bulbospongiosus muscles
  • They are sluggish in an alkaline environment
  • nondescent of the testes
Why doesn't semen enter the urinary bladder during ejaculation?
  • FSH and LH directly promote development of the uterine endometrium
  • smooth muscle sphincter at the base of the urinary bladder closes.
  • Syphilis is caused by a virus that may lead to death if untreated.
  • Rebuilding the endometrium is under the control of prolactin.
How do the testes respond to exposure to excessive body warmth?
  • The endometrium enters its secretory phase
  • Inadequate or nonviable sperm will be produced
  • stimulates mammary gland development
  • They move away from the pelvic cavity
Which of these statements about sexually transmitted infections is false?
  • stimulates mammary gland development
  • regression of the corpus luteum and a decrease in ovarian progesterone secretion
  • Inadequate or nonviable sperm will be produced
  • Syphilis is caused by a virus that may lead to death if untreated.
Fertilization generally occurs in the ________.
  • fallopian tubes
  • they have the same number of chromosomes
  • interstitial cells
  • thalamus
A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH is normal. After he grows to maturity, one would expect that he would ___
  • be sterile
  • interstitial cells
  • corpus luteum
  • corpus spongiosum
All of the following statements referring to the uterine cycle are true except
  • High estrogen levels result in a surge of LH release.
  • development of testes as opposed to ovaries
  • Rebuilding the endometrium is under the control of prolactin.
  • FSH and LH directly promote development of the uterine endometrium
Why is the blood-testis barrier important
  • because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system
  • Erection is the result of vascular spaces in the erectile tissues filling with blood.
  • Each spermatid forms two sperm
  • They are sluggish in an alkaline environment
Select the correct statement about the uterine cycle.
  • because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system
  • If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
  • GnRH from the hypothalamus causes FSH and LH release from the anterior pituitary
  • in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
Effects of estrogen include
  • they have the same number of chromosomes
  • involves FSH and LH release
  • growth of the breasts at puberty
  • preparation of the mammary glands for lactation
The testicular cells that construct the blood-testis barrier are the ________.
  • nondescent of the testes
  • interstitial cells
  • peristaltic contractions
  • sustentacular cells
Prostate cancer is
  • formation of a functional sperm by the stripping away of superfluous cytoplasm
  • If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
  • sometimes a slow-growing cancer that may never represent a threat to the patient
  • blood levels of estrogen and progesterone decrease
Normally menstruation occurs when
  • progesterone levels are at their highest
  • involves a kind of cell division limited to the gametes
  • blood levels of estrogen and progesterone decrease
  • growth of the breasts at puberty
Which is not a part of the proliferative phase of the female menstrual cycle?
  • corpus luteum
  • fallopian tubes
  • the seminal vesicles
  • Each spermatid forms two sperm
Which hormone is absolutely necessary for ovulation to occur?
  • stimulates mammary gland development
  • inhibin
  • GnRH
  • LH
The cells that produce testosterone in the testis are called ________.
  • sustentacular cells
  • interstitial cells
  • peristaltic contractions
  • the seminal vesicles
During the secretory phase of the menstrual cycle ________.
  • development of testes as opposed to ovaries
  • progesterone levels are at their highest
  • They move away from the pelvic cavity
  • Erection is the result of vascular spaces in the erectile tissues filling with blood.
Select the correct statement about the hormonal events of the ovarian cycle.
  • FSH and LH directly promote development of the uterine endometrium
  • High estrogen levels result in a surge of LH release.
  • Inadequate or nonviable sperm will be produced
  • progesterone levels are at their highest
Development of male reproductive structures depends on which of the following events?
  • Erection is the result of vascular spaces in the erectile tissues filling with blood.
  • The mammary glands are modified sweat glands that are actually part of the integumentary system
  • Syphilis is caused by a virus that may lead to death if untreated.
  • secretion of male hormones prenatally and lasting into the first few months after birth
Secretion of progesterone stimulates
  • presence of Y chromosomes in approximately half the sperm
  • receive, retain, and nourish a fertilized ovum
  • secretion of male hormones prenatally and lasting into the first few months after birth
  • preparation of the mammary glands for lactation
The ability of sperm cells to move along the ductus deferens is due to ________.
  • interstitial cells
  • sustentacular cells
  • the bulbospongiosus muscles
  • peristaltic contractions
Which of the following will occur after ovulation
  • The infundibulum is the funnel-shaped region near the ovary.
  • stimulates mammary gland development
  • They are sluggish in an alkaline environment
  • The endometrium enters its secretory phase
The brain-testicular axis
  • growth of the breasts at puberty
  • involves FSH and LH release
  • the bulbospongiosus muscles
  • nondescent of the testes
An ovulating oocyte is actually activated by hormones about ________ days before ovulation
  • meiosis
  • 110
  • thalamus
  • peristaltic contractions
Which of the following occurs as a result of undescended testes?
  • They are sluggish in an alkaline environment
  • serves as a passageway for the primary oocyte
  • stimulates mammary gland development
  • Inadequate or nonviable sperm will be produced
Human egg and sperm are similar in that
  • The endometrium enters its secretory phase
  • they have the same number of chromosomes
  • presence of Y chromosomes in approximately half the sperm
  • They regulate the temperature of the testes
The duct system of the male reproductive system does not include the ________.
  • fallopian tubes
  • nondescent of the testes
  • be sterile
  • corpus spongiosum
The most important risk for testicular cancer in young males is ________.
  • nondescent of the testes
  • peristaltic contractions
  • the bulbospongiosus muscles
  • decreased testosterone secretion
Select the correct statement about male sexual response.
  • Erection is the result of vascular spaces in the erectile tissues filling with blood.
  • secretion of male hormones prenatally and lasting into the first few months after birth
  • High estrogen levels result in a surge of LH release.
  • GnRH from the hypothalamus causes FSH and LH release from the anterior pituitary
Which of the choices below is not a function of testosterone?
  • serves as a passageway for the primary oocyte
  • Inadequate or nonviable sperm will be produced
  • stimulates mammary gland development
  • They are sluggish in an alkaline environment
Spermatogenesis
  • receive, retain, and nourish a fertilized ovum
  • formation of a functional sperm by the stripping away of superfluous cytoplasm
  • blood levels of estrogen and progesterone decrease
  • involves a kind of cell division limited to the gametes
Which of the following phases or processes in the monthly reproductive cycle of the female occur simultaneously?
  • regression of the corpus luteum and a decrease in ovarian progesterone secretion
  • Inadequate or nonviable sperm will be produced
  • The infundibulum is the funnel-shaped region near the ovary.
  • secretion of male hormones prenatally and lasting into the first few months after birth
Characteristics of the mature sperm include the
  • presence of Y chromosomes in approximately half the sperm
  • preparation of the mammary glands for lactation
  • receive, retain, and nourish a fertilized ovum
  • progesterone levels are at their highest
Erection of the penis results from ________.
  • Each spermatid forms two sperm
  • growth of the breasts at puberty
  • a parasympathetic reflex
  • preparation of the mammary glands for lactation
Which of the following statements about spermatogenesis is not true?
  • Inadequate or nonviable sperm will be produced
  • Each spermatid forms two sperm
  • the seminal vesicles
  • Rebuilding the endometrium is under the control of prolactin.
The structures that receive the ovulated oocyte, providing a site for fertilization, are called the
  • fallopian tubes
  • the seminal vesicles
  • meiosis
  • sustentacular cells
Occasionally three polar bodies are found clinging to the mature ovum. One came from an unequal division of the ovum, but from where did the other two arise?
  • The first polar body has also divided to produce two polar bodies.
  • The infundibulum is the funnel-shaped region near the ovary.
  • They regulate the temperature of the testes
  • FSH and LH directly promote development of the uterine endometrium
If gametes were diploid like somatic cells, how many chromosomes would the zygote contain
  • twice the diploid number, and with every succeeding generation, the chromosome number would continue to double and normal development could not occur
  • The mammary glands are modified sweat glands that are actually part of the integumentary system
  • Erection is the result of vascular spaces in the erectile tissues filling with blood.
  • High estrogen levels result in a surge of LH release.
In humans, separation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be
  • interstitial cells
  • thalamus
  • identical
  • meiosis
The Pap smear is a test to detect cancerous changes in cells of the cervix.
  • True
  • False
Which of the following are risk factors for the development of breast cancer?
  • regression of the corpus luteum and a decrease in ovarian progesterone secretion
  • -History of no, or short periods of, breast-feeding-Early onset of menses and late menopause-Family history of breast cancer
  • High estrogen levels result in a surge of LH release.
  • If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Ovarian follicles contain mature eggs.
  • True
  • False
Ovulated oocytes enter the uterine tubes ________.
  • If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
  • they have the same number of chromosomes
  • via undulations of the fimbriae that draw in the oocyte
  • blood levels of estrogen and progesterone decrease
The soft mucosal lining of the uterus is the endometrium.
  • True
  • False
In females, _______ is the stage of life when reproductive hormones first begin surging and reproduction is first possible.
  • labia majora
  • endometrium
  • puberty
  • True
Sexually transmitted diseases are the most important cause of reproductive disorders.
  • True
  • False
In females, the _______ is (are) the homologous structure to the glans penis in males.
  • the fallopian tubes
  • puberty
  • labia majora
  • endometrium
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Multiple Choice Questions
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