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A human egg or sperm contains 23 pairs of chromosomes.

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A scrotal muscle that contracts in response to cold environmental temperature is the cremaster.

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A follicle with only a small antrum in it would be classified as a(n)________ follicle.

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Which of the following statements is true concerning the mammary glands of both males and females?


A) The only time hormones target breast tissue is during pregnancy and lactation.
B) All lumps identified in breast tissue are malignant.
C) The mammary glands are modified sweat glands that are actually part of the integumentary system.
D) Both sexes are equally prone to breast cancer.

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The suspensory ligament and mesovarium are part of the ________ ligament.

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Explain the function of the myometrium and endometrium.

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The myometrium plays an active role duri...

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Ovulation occurs near the end of the ovarian cycle.

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Which of the following statements is true of metaphase I of meiosis I?


A) Joined homologous pair uniformly line up on the equatorial spindle with chromosome one at the top and chromosome 23 on the bottom.
B) Tetrads align randomly on the spindle equator with all the maternal homologs on one side and all the paternal homologs on the opposite side.
C) Homologous pairs align randomly on the spindle equator with a mix of paternal and maternal homologs destined for each of the daughter cells.
D) The sister chromatids line up randomly on the spindle equator with some maternal and paternal chromatids on both sides of the equator.

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Which male hormone inhibits the secretion of FSH?


A) GnRH
B) ACTH
C) inhibin
D) ICSH

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Because of the resurgence of cervical cancer in young women,what important information should a nurse share with young women at a local health fair?

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There is a risk of cervical cancer with ...

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What are some risk factors for developing breast cancer?

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Some of the risk factors for developing ...

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Which of the choices below is not a part of the hypothalamic-pituitary-gonadal axis?


A) thalamus
B) hypothalamus
C) anterior pituitary gland
D) interstitial cells

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Which of the choices below is not a function of the vagina?


A) serves as the birth canal
B) receives semen from the penis during sexual intercourse
C) serves as a passageway for menstrual flow
D) serves as a passageway for the primary oocyte

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All but one of the events described below occur during spermiogenesis.Select the event that does not occur during spermiogenesis.


A) The centrioles migrate to the posterior end of the developing sperm to form the microtubules that make up the flagellum.
B) Mitochondrial DNA is packaged into the nucleus to be delivered to the egg during fertilization.
C) Excessive cytoplasm will be shed to reduce unneeded mass of the maturing sperm.
D) Mitochondria form around the proximal end of the flagellum.They will provide the ATP to drive the motion of the flagellum.

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When it is cold,the scrotum is pulled away from the body.

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False

The soft mucosal lining of the uterus is the endometrium.

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True

All of the following statements referring to the uterine cycle are true except ________.


A) the corpus luteum is formed from the ruptured follicle after ovulation
B) FSH and LH directly promote development of the uterine endometrium
C) a decrease in the levels of ovarian hormones signals menstruation
D) estrogen is secreted by the developing follicle in the follicular phase of the cycle

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B

It is necessary for the testes to be kept below body temperature for abundant,viable sperm formation.

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The adenohypophyseal hormone that triggers ovulation is estrogen.

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Normally menstruation occurs when ________.


A) blood levels of estrogen and progesterone decrease
B) blood levels of FSH fall off
C) the corpus luteum secretes estrogen
D) blood levels of estrogen and progesterone increase

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