Link to questions - Answers https://coursewareobjects.elsevier.com/objects/elr/AACN/certification5e/
onlineevolveexam/
Fetal fibronectin - Answers biochemical marker useful for predicting preterm birth within 2 weeks
placental α-microglobulin-1 (PAMG-1) protein - Answers presence indicates rupture of membranes
Fetal heart rate variability - Answers best indicator of fetal oxygenation status (absence of metabolic
acidemia)
Biophysical profile - Answers -fetal tone
-fetal breathing
-fetal movement
-nonstress test
-amniotic fluid volume
Late decelerations - Answers transient response to hypoxemia during contractions
Variable decelerations - Answers cord compression
-tx: amnioinfusion, intrauterine pressure catheter
Maternal serum α-fetoprotein - Answers -Elevated: neural tube defect, abdominal wall defect,
EA/duodenal atresia
-Decreased: Down syndrome
Target preductal sat after birth - Answers -1 minute 60-65%
-2 minutes 65-70%
-3 minutes 70-75%
-4 minutes 75-80%
-5 minutes 80-85%
-10 minutes 85-90%
Arterial cord blood gas - Answers reveals the metabolic status of the fetus before delivery and strongly
correlates with perinatal asphyxia
Turner syndrome - Answers -SGA with a broad chest
, -widely spaced nipples
-edema of the extremities
-short webbed neck
Trisomy 13 - Answers -cutis aplasia
-overlapping digits
-low-set ears, cleft palate
-microcephaly
-microphthalmia
-polydactyly
-rocker bottom feet
-numerous organ abnormalities (including cardiac)
Trisomy 18 - Answers -low birth weight
-ears that are low set and/or of abnormal shape
-micrognathia
-microstomia
-rocker-bottom feet
-clenched hand with flexed fingers
-flexion contraction of the middle two fingers
Trisomy 21 - Answers -brachycephaly with flattened occiput
-low-set and malformed ears
-generalized hypotonia
-hyperflexibility of the joints
-clinodactyly of the fifth fingers
-wide spacing between the first and second toes
-loose skinfolds in the posterior neck