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Physiological Changes in Pregnancy and Anesthesia Services

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Physiological Changes in Pregnancy and Anesthesia Services

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Questions and Answers

What is the primary reason for the physiological changes seen during pregnancy?

Cesarean section

High levels of estrogen hormone

Increased blood volume

High levels of progesterone hormone (correct)

What is the approximate average blood loss associated with vaginal delivery?

600-700 ml

400-500 ml (correct)

200-300 ml

800-1000 ml

What is the effect of histamine H2 blockers on stomach contents?

Increase the volume of stomach contents

Have no effect on the acidity of stomach contents

Decrease the acidity of stomach contents (correct)

Increase the acidity of stomach contents

What is the percentage change in systemic vascular resistance (SVR) during pregnancy?

↓ 15% SVR Signup and view all the answers

What is the effect of pregnancy on the minimum alveolar concentration (MAC) of anesthetic gases?

↓ 25-40% MAC Signup and view all the answers

What anatomical change in pregnancy can lead to aortocaval occlusion?

Enlarging abdominal mass Signup and view all the answers

Which physiological change in pregnancy is associated with a significant increase in oxygen consumption during labor?

Decreased sphincter tone Signup and view all the answers

What anatomical change in pregnancy may lead to regurgitation and aspiration of stomach contents?

Enlarged uterus Signup and view all the answers

Which obstetric challenge is characterized by pallor, tachycardia, and dizziness in a pregnant woman?

Aortocaval occlusion syndrome Signup and view all the answers

Which type of anesthesia for C-section minimizes the risk of aspiration and promotes early bonding between mother and neonate?

Regional anesthesia Signup and view all the answers

Which medication used in gynecological operations causes uterine muscle contractions and is associated with side effects like hypertension and palpitations?

Methylergonovine Signup and view all the answers