Chapter 26: Reproductive System & Chapter 27: Human Development and Heredity

The luteal phase of the ovarian cycle... A. Is responsible for menstruation. B. Elevates plasma levels of estrogen, progesterone, and hCG. C. Precedes the LH surge. D. Is responsible for the uterine secretory phase.

D. is responsible for the uterine secretory phase.

To which organ do these terms refer: womb, hysterectomy, and hystera? A. Oviduct. B. Vagina. C. Ovary. D. Uterus.

D. uterus.

What "lives" in the fallopian tube for a brief period of time? A. A fetus. B. A zygote. C. A blastocyst. D. An embryo.

B. A zygote.

A woman is likely to develop a vaginal yeast infection after taking antibiotics because they... A. Contain pathogens that migrate to the vagina from the blood. B. Alter the normal flora of the vagina. C. Weaken the hymen and allow pathogens to enter the vagina. D. Cannot kill microorganisms that grow in the vagina.

B. Alter the normal flora of the vagina.

Trophoblastic cells... A. Secrete oxytocin. B. Assist with implantation. C. Are responsible for the milk let-down reflex. D. Are incorporated within the graafian follicle.

B. Assist with implantation.

The acrosome... A. Secretes testosterone. B. Contains enzymes that assist the sperm to fertilize an ovum. C. Is an ovarian structure. D. Is the tail of the sperm.

B. Contains enzymes that assist the sperm to fertilize an ovum.

Which of the following describes the consequence of this event: Two ova are fertilized by two different sperm. A. Identical Twins. B. Dizygotic Twins. C. Monozygotic twins. D. More than one of the above are true.

B. Dizygotic Twins.

What is in the "pill" that makes it contraceptive? A. Prostaglandins. B. Estrogen and progesterone. C. Human chorionic gonadotropin. D. Prolactin.

B. Estrogen and Progesterone.

What is the consequence of severing the vas deferens? A. Interferes with testosterone secretion and therefore causes feminization. B. Induces sterility. C. Prevents orgasm. D. Prevents erection.

B. Induces sterility.

Which cells secrete testosterone? A. Seminiferous Tubules. B. Interstitial cells. C. Prostate gland. D. Prepuce.

B. Interstitial cells.

The conversion of the corpus luteum to the corpus albicans... A. Is due to the secretion of hCG. B. Is characteristic of the nonpregnant state. C. Occurs only in twinning. D. Prevents ovulation in the next menstrual cycle.

B. Is characteristic of the nonpregnant state.

The myometrium... A. Thickens in response to estrogen and progesterone. B. Is responsive to oxytocin. C. Is the target of the gonadotropins. D. Is the layer that sloughs during menstruation.

B. Is responsive to oxytocin.

The oviduct of fallopian tube... A. Connects the fundus with the cervix. B. Is the site of fertilization. C. Is an anatomical extension of the ovary. D. Is located between the cervix and the vagina.

B. Is the site of fertilization.

Semen... A. Contains only testosterone. B. Means seed. C. Is formed and stored within the scrotum. D. Is made and stored within the prostate gland.

B. Means seed.

What is the target of FSH and LH? A. Uterus. B. Ovaries. C. Vagina. D. Cervix.

B. Ovaries.

*Afterbirth* refers primarily to which structure? A. Morula. B. Placenta. C. Zygote. D. Fetus.

B. Placenta.

The prostate... A. Is located within the seminiferous tubules. B. Surrounds the upper portion of the urethra and contributes to the formation of semen. C. Is an extension of the epididymis. D. Produces androgens.

B. Surrounds the upper portion of the urethra and contributes to the formation of semen.

Which hormone is secreted by the trophoblastic cells during implantation and helps preserve the corpus luteum? A. Progesterone. B. hCG. C. FSH. D. Estrogen.

B. hCG.

The endometrium... A. Is the target of FSH and LH. B. Is the uterine lining that is most responsive to the hormonal effects of estrogen and progesterone. C. Forms the graafian follicle. D. Is responsive to oxytocin during labor.

B. is the uterine lining that is most responsive to the hormonal effects of estrogen and progesterone.

The morula... A. Is the unfertilized ovum that gets discharged with the menstrual blood. B. Spends its life embedded within the endometrium. C. Occurs only if there is an ectopic pregnancy. D. Refers to the adorable pre-embryonic cluster of cells.

D. Refers to the adorable pre-embryonic cluster of cells.

In the nonpregnant state... A. The zygote becomes hormonally active. B. The corpus albicans becomes hormonally active, secreting estrogen and progesterone. C. The endometrium secretes hCG. D. hormonal secretion of the corpus luteum gradually declines.

D. Hormonal secretion of the corpus luteum gradually declines.

The secretory phase of the uterine cycle... A. Refers to the hormonal response of the endometrium to the corpus albicans. B. Refers tot he adenohypophyseal response to declining plasma levels of estrogen and progesterone. C. Immediately follows the menstrual phase. D. Is the endometrial response to progesterone.

D. Is the endometrial response to progesterone.

Which of the following characterizes the Graafian follicle? A. Causes the midcycle surge of LH. B. Secretes gonadotropins. C. Matures within the fallopian tube. D. Is the mature follicle.

D. Is the mature follicle.

Which hormone is characterized by the following: Androgen, Steroid, and Interstitial Cells? A. Prolactin. B. Oxytocin. C. Gonadotropin. D. Testosterone.

D. Testosterone.

Human Chorionic Gonadotropin (hCG)... A. Promotes the maturation of the egg. B. Is responsible for female characteristics. C. Promotes the transformation of the corpus luteum into the corpus albicans. D. Maintains the corpus luteum.

D. Maintains the corpus luteum.

How is a child with X and Y chromosomes best described? A. Having Down Syndrome. B. Immature. C. Hemophiliac. D. Male.

D. Male.

Which hormones literally means "swift birth" and assists in labor? A. Progesterone. B. Prolactin. C. Prostaglandin. D. Oxytocin.

D. Oxytocin.

Menstruation occurs in response to... A. an LH surge. B. Elevated plasma levels of hCG. C. Elevation of plasma levels of FSH and LH. D. Diminished plasma levels of estrogen and progesterone.

D. Diminished plasma levels of estrogen and progesterone.

From week 3 - 8, the baby-to-be is called a(n)... A. Morula. B. Fetus. C. Zygote. D. Embryo.

D. Embryo.

What is the coiled structure that sits on top of the testes and is the place where sperm mature? A. Prepuce. B. Prostate Gland. C. Scrotum. D. Epididymis.

D. Epididymis.

In addition to acting as an exchange site between the mother and fetus, the placenta also secretes... A. Amniotic Fluid. B. Vernix Caseosa. C. Colostrum. D. Estrogen and progesterone.

D. Estrogen and progesterone.

What is detected by a Pap Smear? A. Cancer of the cervix. B. Cystitis. C. Genital Warts. D. Genital herpes.

A. Cancer of the cervix.

What is the name of the yellowish water fluid secreted by the mammary glands immediately after delivery (baby is nourished on this until the mother's milk comes in)? A. Colostrum. B. Meconium. C. Vernix Caseosa. D. Lanugo.

A. Colostrum.

What is the uterine lining called that is most responsive to the hormonal effects of estrogen and progesterone? A. Endometrium. B. Perineum. C. Fundus. D. Myometrium.

A. Endometrium.

The fimbriae sweep the ovum into which structure immediately following ovulation? A. Fallopian Tube. B. Uterus. C. Ovary. D. Vagina.

A. Fallopian Tube.

What is the hormonal basis of the pregnancy test? A. Human chorionic gonadotropin (hCG) B. Prostaglandin. C. Estrogen. D. oxytocin.

A. Human chorionic gonadotropin (hCG)

The zygote... A. Is the fertilized ovum. B. Matures into the graafian follicle. C. Implants within the uterine lining. D. Is formed within the uterus.

A. Is the fertilized ovum.

Which hormone stimulates the secretion of testosterone? A. LH or ICSH. B. Human Chorionic Gonadotropin. C. Estrogen. D. FSH.

A. LH or ICSH

What is the name of the fine downy hair that covers the fetus? A. Lanugo. B. Meconium. C. Colostrum. D. Vernix Caseosa.

A. Lanugo.

The milk let-down reflex is most associated with... A. Oxytocin. B. Estrogen. C. hCG. D. Prolactin.

A. Oxytocin.

What is the primary secretion of the corpus luteum? A. Progesterone. B. FSH. C. Androgen. D. hCG.

A. Progesterone.

The chorionic villi sit in blood-filled endometrial spaces called... A. The lacunae. B. The umbilical cord. C. The yolk sac. D. Allantois.

A. The lacunae.

The seminiferous tubules... A. Secrete testosterone. B. Are located in the pelvic cavity. C. Are tightly coiled structures that produce sperm. D. Are primarily concerned with ejaculation.

C. Are tightly coiled structures that produce sperm

What is the outer extraembryonic membrane that forms finger-like projections called *villi* and helps form the placenta? A. Amnion. B. Umbilicus. C. Chorion. D. Trophoblast.

C. Chorion.

If implantation occurs within the fallopian tube, the pregnancy is described as... A. Normal. B. Embryonic. C. Ectopic. D. Menstrual.

C. Ectopic.

Which group is incorrect? A. Genes: Dominant, Recessive, Codominant. B. Primary germ layers: Ectoderm, Mesoderm, Chromosomes. C. Embryonic structures: Zygote, Blastomere, Morula, Blastocyst. D. Genetic disorders: Down, Edward, and Patau syndromes.

C. Embryonic structures: zygote, Blastomere, morula, blastocyst.

Which group is incorrect? A. Twinning: Monozygotic, Dizygotic. B. Primary germ layers: Ectoderm, Mesoderm, Endoderm. C. Extraembryonic membranes: Graafian follicle, chorion, yolk sac. D. Genes: Dominant, recessive, codominant.

C. Extraembryonic membranes: Graafian follicle, Chorion, Yolk sac.

The proliferative phase of the uterine cycle... A. Is caused primarily by hCG. B. Is the stage during which implantation occurs. C. Immediately precedes the uterine secretory phase. D. Corresponds hormonally to the ovarian luteal phase.

C. Immediately precedes the uterine secretory phase.

Fertilization is most apt to occur when sexual intercourse takes place close to... A. The last day of a 28-day cycle. B. The first day of a 28-day cycle. C. Ovulation. D. Early adenohypophyseal secretion of gonadotropins.

C. Ovulation.

What is the midcycle event stimulated by a surge of LH? A. Emission. B. Orgasm. C. Ovulation. D. Menstruation.

C. Ovulation.

Which group is incorrect? A. Genital Ducts: Epididymis, Ejaculatory ducts, Vas deferens, Urethra. B. Phases of the uterine cycle: Menstrual phase, Proliferative phase, Secretory phase. C. Phases of the ovarian cycle: Proliferative phase, Luteal phase. D. Parts of the sperm: Head, Body, Tail.

C. Phases of the ovarian cycle: Proliferative phase, Luteal phase.

Follicle-stimulating hormone (FSH)... A. Is secreted by the ovaries and testes. B. Is secreted by the posterior pituitary gland. C. Stimulates the female and male gonads. D. Exerts its effects primarily on the endometrium.

C. Stimulates the female and male gonads.

Implantation of the trophoblast occurs within which organ? A. Oviducts. B. Ovaries. C. Uterus. D. Fallopian Tubes.

C. Uterus.

The fundus forms the upper part of which structure? A. Graafian Follicle. B. Corpus Luteum. C. Uterus. D. Vagina.

C. Uterus.

The labia majora, labia minora, clitoris, and vestibular glands... A. Are called the vulva. B. Are external genitals. C. Are called the pudendum. D. All of the above are true.

D. All of the above are true.

The cervix, fundus, and body... A. Secrete estrogen and progesterone. B. Are contents of the scrotum. C. Are parts of the ovary. D. Are part of the uterus.

D. Are part of the uterus.