OB midterm 2024 questions and answers

Physiologic changes in pregnancy - ans ----every change has either maintenance of the pregnancy, the development of the fetus, or preparation for the labor and birth as its basis and is protective of the mother and fetus. increased cardiac output by 30%-50% = - ans ----increased heart rate of 15-20 bpm (reaches a peak at 25-30weeks) increased blood volume by 40%-50% = - ans ----hypervolemia of pregnancy - to support uteroplacental demands and maintenance of pregnancy the heart enlarges slightly as a result of? - ans ----hypervolemia and increased cardiac output hemoglobin: - ans ----11.0-13.0 hematocrit: - ans ----33%-39% there is a surge in ____ levels 12-36 hours before ovulation - ans ----LH there is a decrease in _______ levels and an increase in ______ levels before the LH surge - ans ----estrogen, progesterone what causes the temp to go up? - ans ----progesterone estrogen - ans ----- facilitates uterine and breast development - facilitates increases in vascularity - facilitates hyperpigmentation - alters metaboli processes and fluid and electrolyte balance