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Book 4 Unit 6

Select the one best answer to each question (unless otherwise instructed). Record your answers on the test.

Hypoxicischemic encephalopathy (HIE) is a term used to describe neonates with encephalopathy at birth that is caused by hypoxia-ischemia around the time of delivery. Which one of the following findings is supportive of a hypoxicischemic event as the cause of the encephalopathy?

A. A cord blood gas analysis with a base deficit of 8 or base excess of - 8.
B. A cord blood gas analysis with a base deficit of 16 or base excess of deficit of - 16.
C. An arterial blood gas analysis at 2 hours after birth with a pH level of 7.1.
D. An Apgar score of :s5 at 5 minutes after birth.
E. A history of forceps-assisted delivery.

HIE can be classified as mild, moderate, or severe on the basis of the degree of encephalopathy. Which of the following findings would be seen in a newborn with moderate encephalopathy?

Therapeutic hypothermia is the only neuroprotective treatment currently available to neonates with HIE. How soon should therapeutic hypothermia be initiated for optimal brain protection?

A. Before 1 hour of age
B. Before 3 hours of age
C. Before 6 hours of age
D. Before 12 hours of age
E. Before 24 hours of age

A baby is born after emergent cesarean delivery for placental abruption. Therapeutic hypothermia would not be indicated in which one of the following clinical scenarios?

A. A baby born at 38 weeks' gestation with mild encephalopathy and seizures
B. A baby born at 33 weeks' gestation with severe encephalopathy
C. A baby born at 39 weeks' gestation with moderate encephalopathy
D. A baby born at 37 weeks' gestation who required intubation for apnea and is noted to be hypotonic at neurological examination
E. A baby born at 36 weeks' gestation with Apgar scores of 1, 4, and 5 at 1 minute, 5 minutes, and 10 minutes, respectively