Myometrium Layers and Functions

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Questions and Answers

What is the function of the longitudinal muscles in the outer layer of the myometrium?

  • They cause the descent of the fetus (correct)
  • They lead to delivery of the fetus
  • They surround large blood vessels
  • They cause cervical effacement

How do the muscle fibers in the middle layer of the myometrium contribute to hemostasis?

  • They regulate blood flow to the fetus
  • They produce a tourniquet-like action on blood vessels (correct)
  • They increase blood pressure in large vessels
  • They cause dilation of blood vessels

In which part of the myometrium are the interlacing muscle fibers mainly located?

  • Inner layer
  • Middle layer (correct)
  • Fundus
  • Outer layer

What effect do the longitudinal muscles have on the cervical fibers?

<p>Cause pressure leading to cervical effacement (C)</p> Signup and view all the answers

How do the myometrial muscle fibers contribute to delivery of the fetus?

<p>By expelling the fetus through contraction (D)</p> Signup and view all the answers

What is the primary role of the longitudinal muscles in the outer layer of the myometrium?

<p>Promote fetal descent (C)</p> Signup and view all the answers

How do the interlacing muscle fibers in the middle layer of the myometrium contribute to hemostasis?

<p>By constricting blood vessels (B)</p> Signup and view all the answers

What effect do the longitudinal muscles in the outer layer of the myometrium have on cervical fibers?

<p>Cause effacement (D)</p> Signup and view all the answers

Which action is primarily responsible for stopping bleeding after birth, according to the text?

<p>Contraction of longitudinal muscles (D)</p> Signup and view all the answers

What is the main function of the interlacing muscle fibers surrounding large blood vessels in the myometrium?

<p>Aid in uterine contraction (C)</p> Signup and view all the answers

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