NR 327 Exam 2 Review Study Guide Exam Q&A Latest and Verified

NR 327 Exam 2 Review Study Guide Exam Q&A Latest and Verified Chorionic Villus Sampling (CVS) - CORRECT ANSWER-done at 10-13 weeks gestation to look for genetic abnormalities, have pt drink water before procedure to help visualize the uterus informed consent Advantages: Advantages of CVS - CORRECT ANSWER-Advantages of CVS During the first trimester what is ultrasonography used for? - CORRECT ANSWERConfirm pregnancy, verify location of pregnancy, identify multifetal gestation, gestational age with crown-rump and head measurement, number and fiability of fetuses, identify markers such as nuchal translucence, which suggests chromosome or other abnormalities, determine location of uterus, cervix, and placenta for procedures as CVS. During the second and third trimester what is ultrasonography used for? - CORRECT ANSWER-Confirm viability, evaluate fetal anatomy, gestational age, serial fetal growth, compare growth of multiple fetuses, evaulate four of five markers in a biophysical profile, locate placenta during previa, determine presentation, and guide the needle for amniocentesis or PUBS. Disadvantages of CVS - CORRECT ANSWER-Rate of pregnancy loss after CVS, more than two attempts or bleeding during the week before procedure increases risk for fetal loss, and reports of limb reduction defects. After CVS, what are some things you should do as a nurse as far as monitoring and discharge instructions? - CORRECT ANSWER-FHR activity, maternal VS, and woman is allowed to void if needed. Woman should rest at home for a couple of hours after procedure and sexual intercourse should be limited for a few days. Rhogam is given to women who are Rh-negative. how is ultrasound usually done in the first trimester? - CORRECT ANSWERTransvaginal When is gestational diabetes screening done by random 50 gram oral glucose test? what is considered an abnormal result? - CORRECT ANSWER-24-28 weeks abnormal is > 140 mg/dL if it is over 200 mg/dL you treat it as diabetes What is the gold standard for diagnosis of gestational diabetes - CORRECT ANSWER-3 hour oral glucose check at 1, 2, and 3 hours- must exceed 2 or more values to be considered postive test single abnormal result means increased risk for macrosomia and neonatal morbidityshould repeat test in 2-4 weeks and monitor blood glucose in the meantime Signs and symptoms of gestational diabetes mellitus - CORRECT ANSWERhypoglycemia hyperglycemia shaking clammy pale skin shallow respirations. rapid pulse hyperglycemia vomiting excess weight gain during pregnancy. Gestational Age Determination - CORRECT ANSWER-CRL (Crown to Rump Length) most accurate measurement for determining gestational age; made in the first trimester Amniocentesis - CORRECT ANSWER-done at 15-20 weeks gestation, performed to determine genetic disorders, metabolic defects, and look at fetal lung maturity. informed consent, <20 weeks-pt needs full bladder, >20 weeks-pt needs empty bladder, ultrasound done before to locate the placenta Nonstress test - CORRECT ANSWER-looks at placental fx, oxygenation, fetal HR in response to movement external transducer is placed on mom, lateral position, client presses button every time she feels movement. reactive-normal nonreactive-abnormal Purposes for midtrimester amniocentesis - CORRECT ANSWER-examine fetal cells and present in amiotic fluid to identify chromosome abnormalities, evaluate fetal condition when the woman id sensitiz