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Which of the following statements is incorrect?


A) the follicles in the ovary produce luteinizing hormone.
B) the corpus luteum produces progesterone.
C) a surge of LH is believed to promote ovulation.
D) LH stimulates the formation of the corpus luteum.

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

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Estrogen and progesterone provide feedback control on the


A) Ovary
B) Uterus
C) Testes
D) Pituitary
E) Prostate gland

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

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Fertilization in humans normally occurs in the


A) uterus.
B) vagina.
C) outer third of the oviducts.
D) abdominal cavity between ovary and oviducts.
E) ovarian follicle at time of ovulation.

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

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Polar bodies are best characterized as


A) follicles that did not become the graafian follicle.
B) one haploid nucleus from the first meiotic division and one haploid nucleus from the second meiotic division.
C) two haploid nuclei from the first meiotic division.
D) two haploid nuclei from the second meiotic division.
E) three haploid nuclei; one from the second division and one from the first that then divided again to form two more.

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

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Contrast the cloaca of birds and reptiles with the vulva of a mammal.

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The cloaca and the vulva are anatomical ...

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The luteal phase occurs


A) on day 15.
B) during days 6 - 13.
C) on day 14.
D) during days 15 - 28.
E) anytime through the cycle.

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

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When an egg is formed without meiosis,merely a mitotic division,it is


A) ameiotic parthenogenesis.
B) meiotic parthenogenesis.
C) anti-parthenogenesis.
D) hermaphroditism.
E) bisexual reproduction.

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

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Describe the stages of the menstrual cycle,including control of the ovarian cycle.

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The menstrual cycle is divided into four...

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Development of an embryo from an egg without the participation of a spermatozoa is called _________.

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Discuss how internal fertilization and the production of shelled eggs were important in the development of animals capable of living on land.

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Internal fertilization and the productio...

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In reptiles and birds the reproductive and excretory ducts empty into the ________.

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The _______ undergo the first meiotic division in the production of sperm.


A) Sertoli (sustentacular) cells
B) Primary oocytes
C) Spermatids
D) Primary spermatocytes
E) Spermatogonia

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

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A metabolite of testosterone that has important hormone effects is


A) FSH.
B) TSH.
C) anti-testosterone.
D) dihydrotestosterone.
E) progesterone.

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

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The peptide hormone ______ produced by the ______ allows expansion of the pelvis by increasing flexibility of the pubic symphysis.


A) estrogen, ovaries
B) prolactin, hypothalamus
C) prolactin, anterior pituitary
D) relaxin, hypothalamus
E) relaxin, placenta

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

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During oogenesis,the egg grows in size by accumulating _______ reserves to support future growth and development after fertilization.


A) hormone.
B) sugar.
C) water.
D) mitochondrial.
E) yolk.

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

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A larger number of synthetic estrogens are showing up in the environment.Speculate on what physiological effects this may have on male animals.

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The presence of a larger number of synth...

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Since humans have two individual organisms to bear eggs or sperm separately,we are in the biological sense


A) asexual.
B) bisexual.
C) monoecious.
D) hermaphroditic.
E) parthenogenetic.

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

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Describe two other systems for determining the sex of offspring besides the XX-XY system described for humans,and give an example of the organism(s)that use the system.

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One other system for determining the sex...

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Birds never developed an internal placental system but are confined to laying eggs.Consider the many physiological burdens and limitations imposed by bearing live young,and then consider all of the adaptations of birds for flight.Given that birds arose from dinosaur-like ancestors that also laid eggs,but birds managed to evolve a high metabolism and other specialized features,discuss one physiological reason that probably limits birds from ever evolving viviparity.

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One physiological reason that likely lim...

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In mammals,the ______ carries both sperm and urine.


A) vas deferens.
B) urethra.
C) fallopian tube.
D) ureter.
E) seminiferous tubule.

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

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