OBGYN – 3 Exam Study Guide Questions with Correct Answers Rated A+ Latest 2023/2024

When is amniocentesis contraindicated? - Correct Answer - when the pt has a hx of uterine surgery Terbutaline - Correct Answer - beta 2 agonist & tocolytic - relaxes the uterus when there are fetal HR abnormalities d/t tachysystole *>5 contractions in 10 min) or tetanic contractions lasting >2min uterine surgical history & vaginal birth - Correct Answer - Vaginal birth contraindicated after classical c-section (NOT LOW TRANSVERSE) and extensive myomectomy of fibroids 27 yo primigravida F at 16 wk gestation comes in for initial prenatal visit. Immigrated to USA 6 ya. Vitals norm. FHR 155. Her b type is O-. Rubella and varicella titers show no immunity. Hgb = 11.2, MCV = 84. Best recommendation? - Correct Answer - MMR and varicella VACCINES POSTPARTUM - these are live attenuated and contraindicated during pregnancy What is meant by "augmentation of labor"? - Correct Answer - this just means to give oxytocin - use in pts w/protracted labor (NOT arrested labor, for that do a C sect) - cervical dilation at a rate <0.5 cm/1hr When is an operative vaginal delivery performed? - Correct Answer - aka vacuum-assisted vaginal delivery - do during 2nd stage of labor (10cm dilated until fetal delivery) - done to expedite delivery for category III tracings or maternal exhaustion How to calculate Montevideo units? - Correct Answer 23 yo primigravida at 38 wk gestation comes to L & D for spont ROM and painful contractions. She has an uncomplicated prenatal course and is negative for GBS. She is 8 cm dilated and 90 % effaced w/vertex at 0 station. She is admitted and started on an epidural. An IUPC is placed and shows contractions every 2-3 min w/240 Montevideos over 10 min. 4 hr later the cervix remains unchanged. FHR tracing is category 1. Next step? - Correct Answer Dx: Active phase arrest - 1st stage of labor has a latent (0-6 cm dilation) and then an active phase (6-10 cm dilation w/cervical dilation of ≥0.5 cm/hr) - arrest = no cervical change for ≥ 4 hr despite adequate contractions - CESAREAN DELIVERY