Filters
Question type

Study Flashcards

Which of the following is not properly paired?


A) seminiferous tubule-cervix
B) Sertoli cells-follicle cells
C) testosterone-estradiol
D) scrotum-labia majora
E) vas deferens-oviduct

F) A) and E)
G) C) and D)

Correct Answer

verifed

verified

An oocyte released from a human ovary enters the oviduct as a result of


A) the beating action of the flagellum on the oocyte.
B) the force of the follicular ejection directing the oocyte into the oviduct.
C) the wavelike beating of cilia lining the oviduct.
D) movement of the oocyte through the pulsating uterus into the oviduct.
E) peristaltic contraction of ovarian muscles.

F) C) and D)
G) A) and C)

Correct Answer

verifed

verified

During human gestation, rudiments of all organs develop


A) in the first trimester.
B) in the second trimester.
C) in the third trimester.
D) while the embryo is in the oviduct.
E) during the blastocyst stage.

F) D) and E)
G) B) and C)

Correct Answer

verifed

verified

External chemical signals that coordinate potential reproductive partners are called


A) hormones.
B) pheromones.
C) paracrine signals.
D) cytokines.
E) gametes.

F) A) and C)
G) D) and E)

Correct Answer

verifed

verified

Among these contraception methods, the highest risk of accidental pregnancy accompanies


A) the use of a diaphragm.
B) the use of a condom.
C) the practice of coitus interruptus.
D) a verified vasectomy.
E) the practice of the "rhythm method."

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

The first cavity formed during sea urchin development is the


A) blastopore.
B) mouth.
C) blastocoel.
D) anus.

E) All of the above
F) A) and D)

Correct Answer

verifed

verified

Fertilization normally


A) reinstates diploidy.
B) follows gastrulation.
C) is required for parthenogenesis.
D) merges two diploid cells into one haploid cell.
E) precedes ovulation.

F) C) and D)
G) A) and B)

Correct Answer

verifed

verified

An inactivating mutation in the progesterone receptor gene would likely result in


A) the absence of secondary sex characteristics.
B) the absence of pituitary gonadotropin hormones.
C) the inability of the uterus to support pregnancy.
D) enlarged and hyperactive uterine endometrium.
E) the absence of mammary gland development.

F) A) and D)
G) B) and E)

Correct Answer

verifed

verified

The surgical removal of the seminal vesicles would likely


A) cause sterility because sperm would not be produced.
B) cause sterility because sperm would not be able to exit the body.
C) greatly reduce the volume of semen.
D) enhance the fertilization potency of sperm in the uterus.
E) cause the testes to migrate back into the abdominal cavity.

F) B) and E)
G) B) and C)

Correct Answer

verifed

verified

Like many other fishes, bluehead wrasses utilize harem mating as they reproduce sexually. However, unlike most fishes


A) they are simultaneous hermaphrodites.
B) they function without any signaling by steroid hormones.
C) they undergo a prolonged diapause during low tide.
D) their offspring can be either haploid or diploid.
E) large females morph into reproductively competent males.

F) A) and C)
G) A) and B)

Correct Answer

verifed

verified

The formation of the fertilization membrane requires an increase in the availability of


A) bicarbonate ions.
B) calcium ions.
C) hydrogen ions.
D) potassium ions.
E) sodium ions.

F) C) and D)
G) None of the above

Correct Answer

verifed

verified

Asexual reproduction results in greater reproductive success than does sexual reproduction when


A) pathogens are rapidly diversifying.
B) a species has accumulated numerous deleterious mutations.
C) there is some potential for rapid overpopulation.
D) a species is expanding into diverse geographic settings.
E) a species is in stable and favorable environments.

F) A) and E)
G) B) and E)

Correct Answer

verifed

verified

For lactation to take place, the synthesis of breast milk and its release from the mammary gland, respectively, are caused by


A) testosterone and dihydrotestosterone.
B) estrogen and progesterone.
C) cortisol and testosterone.
D) prolactin and oxytocin.
E) luteinizing hormone and follicle-stimulating hormone.

F) A) and E)
G) D) and E)

Correct Answer

verifed

verified

Fertilization of human eggs usually takes place in the


A) ovary.
B) uterus.
C) vagina.
D) oviduct.
E) cervix.

F) A) and C)
G) A) and D)

Correct Answer

verifed

verified

At the end of a nonpregnant ovarian cycle, the breakdown and discharge of the soft uterine tissues is called


A) menstruation.
B) lactation.
C) fertilization.
D) menopause.
E) ovulation.

F) A) and B)
G) C) and D)

Correct Answer

verifed

verified

A human zygote undergoes its first cell division


A) 5 seconds after fertilization.
B) 30 minutes after fertilization.
C) 90 minutes after fertilization.
D) 4 hours after fertilization.
E) 24 hours after fertilization.

F) C) and E)
G) A) and B)

Correct Answer

verifed

verified

In correct chronological order, the three phases of the human uterine cycle are


A) menstrual → ovulation → luteal.
B) follicular → luteal → secretory.
C) menstrual → proliferative → secretory.
D) follicular → ovulation → luteal.
E) proliferative → luteal → ovulation.

F) None of the above
G) A) and B)

Correct Answer

verifed

verified

At the time of fertilization, the complete maturation of each oogonium has resulted in


A) one secondary oocyte.
B) two primary oocytes.
C) four secondary oocytes.
D) four primary oocytes.
E) four zygotes.

F) A) and B)
G) B) and D)

Correct Answer

verifed

verified

Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the following questions. Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the following questions.    Figure 36.1 -In Figure 36.1, which letter points to the cervix? A)  A B)  B C)  C D)  D E)  E Figure 36.1 -In Figure 36.1, which letter points to the cervix?


A) A
B) B
C) C
D) D
E) E

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

Refer to Figure 36.2, which diagrams the reproductive anatomy of the human male, to answer the following questions. Refer to Figure 36.2, which diagrams the reproductive anatomy of the human male, to answer the following questions.    Figure 36.2 -In Figure 36.2, which letter points to the vas deferens? A)  A B)  B C)  C D)  D E)  E Figure 36.2 -In Figure 36.2, which letter points to the vas deferens?


A) A
B) B
C) C
D) D
E) E

F) B) and E)
G) B) and D)

Correct Answer

verifed

verified

Showing 61 - 80 of 109

Related Exams

Show Answer