Placentation (Placenta formation) lecture

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Questions and Answers

What is the function of the placenta?

To protect the fetus from infections

To provide oxygen to the fetus

To act as the digestive, respiratory, and renal system of the fetus (correct)

To regulate the temperature of the fetus

What is the amniotic sac formed from?

Epithelial layer covering the placenta

Epithelial layer covering the amniotic cavity (correct)

Epithelial layer covering the umbilical cord

Epithelial layer covering the fetus

What is the fluid inside the amniotic sac similar to?

Blood plasma

Lymphatic fluid

Urine

Extracellular fluid (correct)

What hormones are secreted by the placenta?

Progesterone and hCG Signup and view all the answers

What is the function of hCG?

To maintain the corpus luteum Signup and view all the answers

What is the effect of hCG in early pregnancy?

Causes morning sickness Signup and view all the answers

When does hCG decline during pregnancy?

By week 10 Signup and view all the answers

What is the function of estrogen in pregnancy?

To maintain the uterine lining Signup and view all the answers

What is the function of progesterone in pregnancy?

To maintain the uterine lining Signup and view all the answers

What is the role of the placenta in protecting the fetus?

Filtering harmful substances Signup and view all the answers

What is the function of the amniotic fluid?

To cushion and protect the fetus Signup and view all the answers

What is the purpose of the corpus luteum?

To produce estrogen and progesterone Signup and view all the answers

Study Notes

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