AACN CCRN Neurology Test (2024) || Questions & All Correct Answers (Rated A+)

AACN CCRN Neurology Test (2024) || Questions & All Correct Answers (Rated A+) AACN CCRN Neurology Test (2024) || Questions & All Correct Answers (Rated A+) Intraparenchymal bolt - ANSWER - in brain tissue Ventriculostomy - ANSWER - in ventricle, can drain fluid Normal ICP waveform - ANSWER - step down High ICP pressure - ANSWER - high mid waveform CPP Target - ANSWER - 60-80 mmHg Autoregulation - ANSWER - blood pressure drops- vasodilation in brain blood pressure increases- vasoconstriction in brain Map of what contributes to cerebral ischemia - ANSWER - <60 Map of what contributes to cerebral vascular congestion - ANSWER - >140 PaCO2 for ideal ICP - ANSWER - 35-40 never below 30 Mannitol - ANSWER - 0.25-1g/kg ICP>Map - ANSWER - brain death brain death - ANSWER - irreversible cessation of circulatory or respiratory functions OR irreversible cessation of all functions of the entire brain 4 steps to brain death - ANSWER - irreversible proximate cause of coma near-normal core temperature normal systolic >100 1 neuro exam or more (by state) by 1 or more specialists (by state) Brain death - ANSWER - absent of cranial nerves, apnea, PaCO2 >60, absent dolls eyes or CO2 20 greater than baseline Doll's eye reflex - ANSWER - when you move the head, the eyes should move, then return to a central position; in some brain injuries, the eyes will be fixed centrally, eyes should move opposite side not same side Diffuse injury - ANSWER - concussion-stretched axon Concussion Tx - ANSWER - no school until symptoms gone, first 24hr no cognitive stimulation Postconcussive Syndrome (PCS) - ANSWER - memory problems, depression, agitated Severe diffuse axonal injury