A) seminiferous tubule-cervix
B) Sertoli cells-follicle cells
C) testosterone-estradiol
D) scrotum-labia majora
E) vas deferens-oviduct
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
A) hormones.
B) pheromones.
C) paracrine signals.
D) cytokines.
E) gametes.
Correct Answer
verified
Multiple Choice
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."
Correct Answer
verified
Multiple Choice
A) blastopore.
B) mouth.
C) blastocoel.
D) anus.
Correct Answer
verified
Multiple Choice
A) reinstates diploidy.
B) follows gastrulation.
C) is required for parthenogenesis.
D) merges two diploid cells into one haploid cell.
E) precedes ovulation.
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
A) bicarbonate ions.
B) calcium ions.
C) hydrogen ions.
D) potassium ions.
E) sodium ions.
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
A) testosterone and dihydrotestosterone.
B) estrogen and progesterone.
C) cortisol and testosterone.
D) prolactin and oxytocin.
E) luteinizing hormone and follicle-stimulating hormone.
Correct Answer
verified
Multiple Choice
A) ovary.
B) uterus.
C) vagina.
D) oviduct.
E) cervix.
Correct Answer
verified
Multiple Choice
A) menstruation.
B) lactation.
C) fertilization.
D) menopause.
E) ovulation.
Correct Answer
verified
Multiple Choice
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.
Correct Answer
verified
Multiple Choice
A) menstrual → ovulation → luteal.
B) follicular → luteal → secretory.
C) menstrual → proliferative → secretory.
D) follicular → ovulation → luteal.
E) proliferative → luteal → ovulation.
Correct Answer
verified
Multiple Choice
A) one secondary oocyte.
B) two primary oocytes.
C) four secondary oocytes.
D) four primary oocytes.
E) four zygotes.
Correct Answer
verified
Multiple Choice
A) A
B) B
C) C
D) D
E) E
Correct Answer
verified
Multiple Choice
A) A
B) B
C) C
D) D
E) E
Correct Answer
verified
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