Blueprints OBGYN Exam Questions with 100% Correct Answers

Peak of HCG in pregnancy Correct Answer 100,000 by 10 weeks HCG levels in 3rd trimester Correct Answer 20,000-30,000 Viable pregnancy 5 week test Correct Answer gestational sac or HCG 1,500-2,000 Embryo Correct Answer fertilization to 8 weeks Fetus Correct Answer 8 weeks until the time of brith 1st trimester Correct Answer 12-14 weeks 2nd trimester Correct Answer 12-14 to 24-28 weeks 3rd trimester Correct Answer 24-28 to 37 to 42 weeks Previable Correct Answer <24 weeks Preterm Correct Answer 24-37 weeks Term Correct Answer 37-42 weeks Parity Correct Answer refers to the umber of pregnancies that led to a birth at or beyond 20 weeks GA or of an infant weighing more than 500g Nagele's rule Correct Answer subtract 3 months from LMP and add 7 days CO during pregnancy Correct Answer increases 30-50% How CO in increased throughout pregnancy Correct Answer early increase in SV then increase in HR SVR in pregnancy Correct Answer decreased, due to elevated progesterone --> muscle relaxation TV during pregnancy Correct Answer increases 30-40% Hyperemesis gravidarum Correct Answer severe morning sickness in which women lose greater than 5% of their pre pregnancy weight and go into ketosis Pregnancy GFR Correct Answer increase by 50% Why there is decreased Hct in pregnancy Correct Answer increased plasma volume by 50%, but only 20-30% increase in RBC volume Identical alpha subunits to HCG Correct Answer LH, FSH, and TSH Hpl functions Correct Answer lipolysis with increase in FFA; insulin antagonist Large weight gains near the end of pregnancy Correct Answer sign of fluid retention and preeclampsia Increased MSAFP Correct Answer increased risk neural tube defects Decreased MSAFP Correct Answer aneuploidies including down syndrome Triple screen Correct Answer bhcg, estriol, and MSAFP Quad screen Correct Answer bhcg, estriol, MSAFP, and inhibin A Frequency of prenatal visits 28-36 weeks Correct Answer q 2-3 weeks Frequency of prenatal visits after 36 weeks Correct Answer q week Rhogam timing Correct Answer 28 weeks in Rh - patient 3rd trimester labs Correct Answer Hct, RPR/VRDL, and glucose loading test (GLT) GLT Correct Answer 50g oral glucose, check 1 hr later Next step: GLT>140mg/dl Correct Answer send to glucose tolerance test GTT Correct Answer 100 g glucose, check q hour up to three hours Thresholds for GTT Correct Answer fasting: 95 1 hour: 180 2 hours: 155 3 hours: 140 GBS testing Correct Answer 36 weeks Biophysical profiles Correct Answer 5 categories: amniotic fluid volume, fetal tone, fetal activity, fetal breathing movements, and the NST Percutaneous umbilical blood sampling Correct Answer need transabdominalyl into the uterus and phlebotomizing the umbilical cord