11 Questions
What is the primary reason for the physiological changes seen during pregnancy?
High levels of progesterone hormone
What is the approximate average blood loss associated with vaginal delivery?
400-500 ml
What is the effect of histamine H2 blockers on stomach contents?
Decrease the acidity of stomach contents
What is the percentage change in systemic vascular resistance (SVR) during pregnancy?
↓ 15% SVR
What is the effect of pregnancy on the minimum alveolar concentration (MAC) of anesthetic gases?
↓ 25-40% MAC
What anatomical change in pregnancy can lead to aortocaval occlusion?
Enlarging abdominal mass
Which physiological change in pregnancy is associated with a significant increase in oxygen consumption during labor?
Decreased sphincter tone
What anatomical change in pregnancy may lead to regurgitation and aspiration of stomach contents?
Enlarged uterus
Which obstetric challenge is characterized by pallor, tachycardia, and dizziness in a pregnant woman?
Aortocaval occlusion syndrome
Which type of anesthesia for C-section minimizes the risk of aspiration and promotes early bonding between mother and neonate?
Regional anesthesia
Which medication used in gynecological operations causes uterine muscle contractions and is associated with side effects like hypertension and palpitations?
Methylergonovine
Explore the physiological changes that occur during pregnancy, mainly influenced by high levels of progesterone hormone. Understand the blood volume increase, average blood loss in vaginal delivery and cesarean section, and the use of histamine H2 blockers before surgical intervention.
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