CNRN Exam 39 Questions with Verified Answers,100% CORRECT

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CNRN Exam 39 Questions with Verified Answers Where is the Brocas area located? - CORRECT ANSWER Frontal Lobe Where is the Wernickes area located? - CORRECT ANSWER Temporal Lobe Where is short... term memory located? Long term? - CORRECT ANSWER Short- Frontal Long- Temporal Parietal Lobe main characteristic: - CORRECT ANSWER Proprioception What is the gold standard for declaring brain death? - CORRECT ANSWER Cerebral Blood Flow Negative Doll's eyes means... - CORRECT ANSWER Eyes remain fixed when turning head from side to side Parkinson's disease is damage to which part of the brain? - CORRECT ANSWER Basal Ganglia Cerebral contusions may be evident on what kind of scan? - CORRECT ANSWER CT Subdural Hematoma is a what kind of bleed? - CORRECT ANSWER Venous What kind of bleed is an emergency and why? - CORRECT ANSWER Epidural Hematoma; its an arterial bleed Brief or no loss of consciousness followed by a lucid period, then rapid decline in consciousness: - CORRECT ANSWER Epidural Hematoma ICP and CPP monitoring are recommended for GCS less than.. - CORRECT ANSWER 8 Central Cord Syndrome main s/s - CORRECT ANSWER Weakness greater in the arms than legs Brown-Sequard Syndrom s/s - CORRECT ANSWER Motor and Proprioceptive loss on ipsilateral side Pain and temperature loss on contralateral side Flexion injury causes: - CORRECT ANSWER Anterior cord syndrome Hyperextension injury causes: - CORRECT ANSWER Posterior cord syndrome Loss of proprioception occurs with which injury? - CORRECT ANSWER Posterior Syndrome Area where nerves leave the lower spnal cord and travel inside the spinal canal: - CORRECT ANSWER Cauda equina Secondary Spinal Cord Injury (SCI) occurs when? - CORRECT ANSWER 24-2 hours after initial injury Gold standard techniquw for initial immobilixation to temporarily stabilize the cervical spine: - CORRECT ANSWER Garner-Wells tongs Hallmark clinical s/s of neurogenic shock - CORRECT ANSWER Hypotension Bradycardia What spinal injury require continuous mechanical ventilation? intermittent? - CORRECT ANSWER Continuous- C!-3 Intermittent- C3-5 Superior Mesentaric Artery Syndrome: - CORRECT ANSWER Results from compression of the third portion of the duodenum between the aorta and superior mesenteric artery leading to upper GI obstruction; s/s nausea and vomiting When does Autonomic Dysreflexia occur? - CORRECT ANSWER 2-6 MONTHS after acute injury; This is a sympathetic overload What produces CSF? - CORRECT ANSWER Choroid Plexus Why do infants have an increased brain compliance? - CORRECT ANSWER They skull is not fully closed Goal CPP? ICP? - CORRECT ANSWER CPP 60-80 mmHG OCP < 20 mmHG ICP Waveform: P1 - CORRECT ANSWER Percussion wave; sharp peak representing arterial pressure being transmitted into the choroid plexus ICP Waveform: P2 - CORRECT ANSWER Tidal Wave; elevation of this wave form indicated poor compliance and poor outcomes ICP waveform: P3 - CORRECT ANSWER Dicrotic wave; casued by the closure of the aortic valve What are secondary causes of increased ICP? - CORRECT ANSWER Hypoventilation Fever HTN SZ Drugs Altitude S/S of cushing syndrome - CORRECT ANSWER Irregular Respirations Bradycardia Widening pulse pressure How do you calculate CPP? - CORRECT ANSWER MAP-ICP The skull is a fixed box; there is no room for additional contents best describes what? - CORRECT ANSWER Monroe-Kellie Doctorine Pateitns with SAH are at increased risk for what type of hydrocephalus? - CORRECT ANSWER Communicating (there is an absorption problem and not related to an obstruction) What is commonly is confused with dementia? - CORRECT ANSWER Normal pressure hydrocephalus; ability of CSF to be absorbs declines over time (communicating hydrocephalus) Downwards displacement of brain tissue through the tentorial opening: - CORRECT ANSWER Uncal (Lateral transtentorial) This is the classic herniation process High or Low CPP is associated with hypoxic state and tissue ischemia? - CORRECT ANSWER Low Gold standard device to monitor ICP: - CORRECT ANSWER EVD [Show More]

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