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Author Question: The uterus is a muscular, pear-shaped organ that is responsible for: a. Cyclic menstruation. c. ... (Read 126 times)

cookcarl

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on: Jun 28, 2018
The uterus is a muscular, pear-shaped organ that is responsible for:
 
  a. Cyclic menstruation. c. Fertilization.
  b. Sex hormone production. d. Sexual arousal.

Question 2

Unique muscle fibers make the uterine myometrium ideally suited for:
 
  a. Menstruation. c. Ovulation.
  b. The birth process. d. Fertilization.


Tonny

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

ANS: A
The uterus is an organ for reception, implantation, retention, and nutrition of the fertilized ovum; it also is responsible for cyclic menstruation. Hormone production and fertilization occur in the ovaries. Sexual arousal is a feedback mechanism involving the hypothalamus, the pituitary gland, and the ovaries.

Answer to Question 2

ANS: B
The myometrium is made up of layers of smooth muscle that extend in three directions. These muscles assist in the birth process by expelling the fetus, ligating blood vessels after birth, and controlling the opening of the cervical os.


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