Synthetic Hormones and Their Effects Quiz

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Questions and Answers

What is the function of RU486 in the context of inducing abortion?

Activate the receptors for progesterone
Increase the production of progesterone
Prevent the binding of RU486 to progesterone
Block the receptors for progesterone (correct)

How does RU486 affect the lining of the uterus?

Enhances its preparation for implantation
Prevents it from being prepared for implantation (correct)
Encourages the attachment of the embryo
Has no effect on the lining of the uterus

What happens to embryonic development when RU486 is administered to a pregnant woman?

It stops (correct)
It becomes stronger
It becomes more stable
It accelerates

Which hormone's normal effects are prevented by RU486?

Progesterone (D) Signup and view all the answers

What is the outcome of administering RU486 to a pregnant woman?

Embryo is sloughed off along with the uterine lining (A) Signup and view all the answers

What is the mechanism of action of RU486 in inducing abortion?

RU486 binds to progesterone receptors and prevents progesterone from preparing the uterus for implantation, leading to the sloughing off of the embryo. Signup and view all the answers

How does RU486 affect the lining of the uterus?

RU486 prevents progesterone from maintaining the uterine conditions needed for nurturing an embryo, resulting in the sloughing off of the embryo along with the uterine lining. Signup and view all the answers

What is the role of synthetic hormones like RU486 in blocking natural hormones?

Synthetic hormones like RU486 bind to specific receptors and prevent the natural hormones from exerting their effects. Signup and view all the answers

Why does embryonic development stop when RU486 is administered?

Embryonic development stops because the uterine conditions necessary for nurturing the embryo are not maintained due to RU486 blocking progesterone receptors. Signup and view all the answers

What happens to the uterine lining when RU486 is given to a pregnant woman?

The uterine lining is not prepared for implantation, leading to the sloughing off of the embryo along with the lining. Signup and view all the answers