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Influences of Estrogen and Progesterone on the Uterus S749

12 Questions

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Influences of Estrogen and Progesterone on the Uterus S749

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@LawfulNovaculite

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Questions and Answers

Which layer of the uterus is responsible for the growth of the endometrium?

Myometrium

Endometrium (correct)

Both myometrium and endometrium

None of the above

What hormone is needed by progesterone to exert an effect on the endometrium?

Estrogen (correct)

Testosterone

Androgen

None of the above

What is the role of progesterone in preparing the endometrium?

Shedding the endometrium

Regrowing the endometrium

Preparing the endometrium for implantation of fertilized ovum (correct)

None of the above

What effect does progesterone have on the growth of endometrial blood vessels and secretion of glycogen?

Increases Signup and view all the answers

What effect does progesterone have on the contractility of the uterus?

Decreases Signup and view all the answers

How many phases does the menstrual cycle have?

Three Signup and view all the answers

During which phase of the menstrual cycle is the endometrium shed?

Menstrual Signup and view all the answers

During which phase of the menstrual cycle does the endometrium regrow under the influence of estrogen?

Proliferative Signup and view all the answers

During which phase of the menstrual cycle is the endometrium prepared for implantation under the influence of progesterone?

Secretory Signup and view all the answers

Which hormone stimulates the growth of both layers of the uterus?

Estrogen Signup and view all the answers

Which layer of the uterus is responsible for reducing the contractility of the uterus?

Myometrium Signup and view all the answers

What is the role of progesterone in the menstrual cycle?

Preparing the endometrium for implantation of fertilized ovum Signup and view all the answers

Study Notes

The uterus has two layers: myometrium and endometrium
Estrogen stimulates growth of both layers
Progesterone needs estrogen to exert an effect on the endometrium
Progesterone prepares the endometrium for implantation of fertilized ovum
Progesterone causes growth of endometrial blood vessels and secretion of glycogen
Progesterone reduces the contractility of the uterus
Menstrual cycle has three phases: menstrual, proliferative, and secretory
Menstrual phase is when the endometrium is shed
Proliferative phase is when the endometrium regrows under the influence of estrogen
Secretory phase is when the endometrium is prepared for implantation under the influence of progesterone.