CNRN Exam 39 Questions with Verified Answers
Where is the Brocas area located? - CORRECT ANSWER Frontal Lobe
Where is the Wernickes area located? -
... [Show More] 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 Less]