NCC obstetric inpatient Exam 33 Questions with Verified Answers
Surgical infection - CORRECT ANSWER An infection occurring within 30 days of medical
... [Show More] procedure (CDC)
Incidence of abdominal incision infections following cesarean birth - CORRECT ANSWER 3-15% (average 5%)
With antibiotic prophylaxis, the incidence of abdominal incision infections following c/s - CORRECT ANSWER 2% or less.
Risk for cesarean postpartum VTE - CORRECT ANSWER 1:1000
Cesarean complications in subsequent pregnancies, incidence of abnormal placenta room (accreta, increta, percreta) - CORRECT ANSWER Accreta- 75-78%
Increta- 17%
Percreta- 5%
TORCH - CORRECT ANSWER Group of viral, bacterial, and protozoan infections that gain access to fetal bloodstream transplacentally via chorionic villi (toxoplasmosis, other infections, rubella, cytomegalovirus, herpes simplex virus)
Toxoplasmosis - CORRECT ANSWER T. Gondii (oocyst formed in the cat intestine and subsequently excretes in the feces)
Definition of postpartum infection - CORRECT ANSWER Temperature of 100.4 (38c) occurring in any two successive days within the first 10 days postpartum exclusive of the first 24 hours
Endometritis - CORRECT ANSWER Infection of the lining of the uterus
The most common cause of postpartum fever - CORRECT ANSWER Endometritis
Chorioamnionitis - CORRECT ANSWER An inflammation of the fetal membranes (chorion and amnion) caused by bacteria (can occur up to 10% of all pregnancies)
Syphilis - CORRECT ANSWER Caused by the spirochete Treponema pallidum. Has four clinical categories: primary, secondary, tertiary and neurosyphilis. Screening: VDRL and RPR
Fetal lung maturity - CORRECT ANSWER 2:1 ratio of phospholipids lecithin/spingomyelin (L/S ratio) and presence of phosphatidyglycerol (PG)
Surfactant production - CORRECT ANSWER Lowers the surface tension of alveoli preventing collapse during inspiration/expiration
Atelectasis - CORRECT ANSWER Incomplete expansion or collapse of the alveoli, possibly resulting from a deficiency of surfactant
Transient tachypnea (wet lung) - CORRECT ANSWER Newborn develops rapid realizations with minimal radiographic and blood gas abnormalities
Pneumothorax - CORRECT ANSWER Air leaks occur when alveoli become overdistended and burst
Mechanisms of heat loss (4 types) - CORRECT ANSWER Evaporation (liquid to gas), convection (wind), conduction (laying on cold surface), radiation (not wearing a hat or clothes)
A naked newborn exposed to an environmental temperature of 75F suffers the same heat loss as a names adult in 32F - CORRECT ANSWER True
IgG - CORRECT ANSWER The only antibody that crosses the placenta to the fetus, make up 75-80% of all antibodies in newborn
IgA - CORRECT ANSWER Present in breastmilk and provides passive immunity
IgM - CORRECT ANSWER Antibodies produced in response to an infection while exposed in utero
Neonatal infections early onset vs late onset - CORRECT ANSWER Early: hours to 7 days, maternal source
Late: 7 days to 3 months, check 2nd twin, many sources.
Fetal glucose is [___]% the same as maternal blood sugar at time of birth - CORRECT ANSWER 80%
Clinical manifestations of newborn hypoglycemia - CORRECT ANSWER Tremors, jitteriness, respiratory distress,cyanosis, poor suck, irritability, high pitched cry, limpness, lethargy, seizures, temperature instability, pallor, diaphoresis
Causes of neonatal seizures - CORRECT ANSWER 49%: hypoxic-ischemic encephalopathy
12%: cerebral infarction
7%: cerebral trauma
5%: infections
3%: metabolic abnormalities like hypoglycemia
4%: narcotic drug withdrawal
Newborn blood volume at term - CORRECT ANSWER 80cc/kg
Newborn polycythemia - CORRECT ANSWER Central venous hct of > 65% or hgb > 20-22
Newborn anemia - CORRECT ANSWER Hgb <14 at term or hgb < 13 preterm
Hyperbilirubinemia - CORRECT ANSWER Bili level >12mg/dL
Bilirubin conjugation - CORRECT ANSWER Unconjugated (indirect)- free, not bound, fat soluble, not yet metabolized and not easily excreted
Conjugated (direct)- bound to protein, has been metabolized, water soluble and readily excreted
Indirect uterine monitoring is also known as - CORRECT ANSWER External uterine monitoring
Non-shivering thermogenesis - CORRECT ANSWER Brown fat metabolism [Show Less]