A) oviduct. B) uterus.C)agina. D) cervix. 17) The secretion of follicle stimulat

Question

A) oviduct. B) uterus.C)agina. D) cervix. 17) The secretion of follicle stimulating hormone from the pituitary is reduced by A) vassopressin. B)luteinizing hormone. C) oxytocin. nhibin 18) A woman in the final week of pregnancy who is given an injection of oxytocin would likely A) undergo the loss of oxytocin receptors from her uterine smooth muscle cells B) stop secreting prostaglandins from the placenta C) undergo vigorous contractions of her uterine muscles D) increase the synthesis and secretion of progesterone 19) Tubal ligation A) prevents oocytes from entering the urethra. B) prevents fertilization by preventing sperm from entering the uterus. C) prevents implantation of an embryo. D) prevents sperm from exiting the male urethra. 20) Among these contraception methods, which has the highest risk of accidental pregnancy? A) diaphragm B) condom C) coitus interruptus D) vasectomy E) rhythm method 21) The proposal that a human sperm contained a miniature human being is consistent with the now-discredited theory of development known as A) epigenesis. B) preformation. C) cell differentiation. D) morphogenesis. 22) As an embryo develops, new cells are produced as the result of A) undifferentiation. B) preformation. C) cell division. D) morphology ith signal molecules on sperm causes the egg to undergo brief 23) Contact of an egg A) mitosis. B) membrane depolarization/change in electrical potential C) apoptosis. D) vitellogenesis. E) acrosomal reaction. 24) During fertilization, the arosomal contents of the sperm A) block polyspermy B) help propel more sperm toward the egg. C) digest the protective coat on the surface of the egg. D) nourish the mitochondria of the sperm. E) trigger the completion of meiosis by the sperm. 25) The small portion of the embryo that will become a 'cavity' develops from the A) morula. B) primitive streak. C) blastocoel. D) gray crescent 26) From earliest to latest, the overall sequence of early development proceeds as follows: A) gastrulation ? organogenesis ? cleavage B) ovulation ? gastrulation ? fertilization C) cleavage- gastrulation- organogenesis D) gastrulation blastulation- neurulation E) preformation morphogenesis- neurulation

Explanation / Answer

The answers of the above objective questions are:

17) B. Luteinizing hormone
18) C. undergo vigorous contractions of her uterine muscles
19) B. Prevents fertilization by preventing sperm from entering the uterus
20) B. Condom
21) A. epigenesis
22) C. Cell division
23) B. membrane depolatizaton/change in electrical potential
24) C. digest the protective coat on the surface of the egg
25) C. Blastocoel
26) C. Cleavage->gastrulation->organogenesis

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.