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Author Question: Individual irregularities in the ovarian (menstrual) cycle are most often caused by: a. ... (Read 276 times)

iveyjurea

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on: Jun 28, 2018
Individual irregularities in the ovarian (menstrual) cycle are most often caused by:
 
  a. Variations in the follicular (preovulatory) phase.
  b. An intact hypothalamic-pituitary feedback mechanism.
  c. A functioning corpus luteum.
  d. A prolonged ischemic phase.

Question 2

Prostaglandins are produced in most organs of the body, including the uterus. Other source(s) of prostaglandins is/are:
 
  a. Ovaries. c. Menstrual blood.
  b. Breast milk. d. The vagina.


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Cnarkel

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: A
Almost all variations in the length of the ovarian cycle are the result of variations in the length of the follicular phase. An intact hypothalamic-pituitary feedback mechanism is regular, not irregular. The luteal phase begins after ovulation. The corpus luteum depends on the ovulatory phase and fertilization. During the ischemic phase, the blood supply to the functional endometrium is blocked, and necrosis develops. The functional layer separates from the basal layer, and menstrual bleeding begins.

Answer to Question 2

ANS: C
Menstrual blood is a potent source of prostaglandins. Prostaglandins are produced in most organs of the body and in menstrual blood. The ovaries, breast milk, and vagina are neither organs nor a source of prostaglandins.


iveyjurea

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Reply 2 on: Jun 28, 2018
Gracias!

amandalm

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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