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?

<p>↓ 15% SVR (D)</p> Signup and view all the answers

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

<p>↓ 25-40% MAC (A)</p> Signup and view all the answers

What anatomical change in pregnancy can lead to aortocaval occlusion?

<p>Enlarging abdominal mass (C)</p> Signup and view all the answers

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

<p>Decreased sphincter tone (D)</p> Signup and view all the answers

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

<p>Enlarged uterus (D)</p> Signup and view all the answers

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

<p>Aortocaval occlusion syndrome (C)</p> 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?

<p>Regional anesthesia (D)</p> 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?

<p>Methylergonovine (B)</p> Signup and view all the answers

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