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Maternal Adaptions to Support Pregnancy: Physiological Systems Quiz

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Maternal Adaptions to Support Pregnancy: Physiological Systems Quiz

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Questions and Answers

What is the purpose of pro-active changes in maternal adaptions to support pregnancy?

To increase oxygen and nutrient supply to the fetus (correct)

To promote maternal weight loss

To decrease hemoglobin levels in the mother

To prevent hormonal imbalances in the mother

How does progesterone affect respiration in pregnant women?

It resets the breathing center to breathe more at lower CO2 levels (correct)

It increases the number of breaths taken per minute

It reduces the number of breathing receptors in the medulla and pons

It decreases sensitivity of pH/CO2 receptors

What is the main reason for diurnal changes in plasma glucose and insulin in normal late pregnancy?

To prevent maternal weight gain

To reduce oxygen supply to the fetus

To decrease insulin production in the mother

To ensure a sustained postprandial supply of glucose to the fetus (correct)

What is the effect of increased renal blood flow in pregnant women?

Increased Na and H2O reabsorption Signup and view all the answers

Which cardiovascular change is visual during pregnancy due to a rapidly growing new vascular bed?

Increased blood volume Signup and view all the answers

What is the main role of relaxin and estrogen in the cardiovascular adaptations during pregnancy?

To dilate vessels for more blood flow to peripheral tissues Signup and view all the answers

How does the respiratory system adapt to increased metabolic needs during pregnancy?

By taking in more air than usual despite less space due to the baby Signup and view all the answers

Why does the liver play a role in preventing hemorrhage during pregnancy?

By increasing production of clotting factors Signup and view all the answers

Why is there dilutional or physiologic anemia during pregnancy?

Due to decreased plasma proteins and hemoglobin levels Signup and view all the answers

Why does the maternal-fetal metabolism increase plasma glucose, amino acids, and lipids during pregnancy?

To provide nutrients for both the placenta and fetus Signup and view all the answers