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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?

Cause pressure leading to cervical effacement Signup and view all the answers

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

By expelling the fetus through contraction Signup and view all the answers

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

Promote fetal descent Signup and view all the answers

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

By constricting blood vessels Signup and view all the answers

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

Cause effacement Signup and view all the answers

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

Contraction of longitudinal muscles Signup and view all the answers

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

Aid in uterine contraction Signup and view all the answers