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Exam 17: The Reproductive System

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Question 151

True/False

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A surge in LH halts estrogen synthesis.

A) True
B) False

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Question 152

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A reduction in the secretion of what hormone may serve as the trigger for the onset of puberty

A) inhibin
B) melatonin
C) adrenal androgen
D) gonadotropin-releasing hormone

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

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Question 153

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A high level of estrogen stimulates myometrial contraction.

When does implantation normally occur

Match the items labelled a. through u. with the descriptions labelled 32. through 57. (Options may be used more than once or not at all, but there is only one correct response for each.) -secretes estrogen and progesterone during the last seven months of gestation

What is the sequence of phases in the sexual response cycle

The sperm's genetic information is located in the head of the sperm.

High levels of estrogen directly stimulate the LH-secreting cells of the anterior pituitary.

Write the appropriate letter (a.,b., or c.) in the blank.(Options may be used more than once or not at all.) a.A is greater than B. b.B is greater than A. c.A and B are approximately equal. a.the length of the luteal phase of the average menstrual cycle ____ B.the length of the follicular phase of the average menstrual cycle a.the number of chromosomes in the ovulated secondary oocyte ____ B.the number of chromosomes in a primary oocyte a.the number of primary follicles present in the ovary at any time during the menstrual cycle____ B.the number of mature follicles just before ovulation a.plasma concentration of estrogen during the follicular phase of the ovarian cycle ____ B.plasma concentration of estrogen during the luteal phase of the ovarian cycle a.plasma concentration of progesterone during the follicular phase of the ovarian cycle ____ B.plasma concentration of progesterone during the luteal phase of the ovarian cycle

The entire process of movement of the sperm and sex gland secretions out of the male reproductive tract is called __________________; emptying of semen into the urethra is known as ________________; forceful ejection of sperm from the penis is called __________________.

Match the descriptions, labelled a. through e., with the items listed. -colostrum

Prostaglandins are secreted into the semen by the prostate gland.

Parasympathetic stimulation of the uterine muscle is involved in the process of parturition.

Failure of the testes to descend into the scrotal sac is known as cryptorchidism.

Which of these statements does NOT describe human chorionic gonadotropin