NR325 Exam 2 – Questions With Fully Explained Solutions Ischemic strokes Correct Answer - thrombotic and embolic Thrombotic stroke Correct Answer - occurs from injury to a blood vessel wall and formation of a blood clot -results from narrowing of blood vessel -most common cause of strokes (60%) -often associated with HTN/DM -often proceeded by TIA Embolic stroke Correct Answer - occurs when an embolus lodges in and occludes a cerebral artery -results in infarction and edema of area supplied by involved vessel -2nd most common cause of strokes -warning signs less common -patient usually conscious -reccurence is common Hemorrhagic stroke Correct Answer - results from bleeding into the brain caused by vessel rupture -sudden onset -progresses over minutes-hours -typically occurs during activity BEFAST Correct Answer - Balance, eyes, face, arms, speech, time When a possible stroke patient comes in... Correct Answer - 1) call stroke team 2)test sugars 3)assesment 1 / 2
4)CT scan to determine type of stroke TIA Correct Answer - a transient episode of neurologic dysfunction caused by focal brain, spinal cord, or retinal ischemia but without acute infarction of brain -S/S lasts <1 hr -no way to predict outcome -history of TIA increases stroke risk Stroke on right side of the brain S/S Correct Answer -
Paralyzed left side: hemiplegia
Left-sided neglect Spatial-perceptual defecits tends to deny/minimize problems rapid performance/short attention span impulsive;safety problems impaired judgment impaired time concept Stroke on left side of brain S/S Correct Answer - paralyzed
right side: hemiplegia
impaired speech/language aphasias impaired right/left discrimination slow performance;cautious aware of defecits; depression, anxiety impaired language and math comprehension hemorrhagic stroke s/s Correct Answer - neurologic defecits headache N/V decrease LOC HTN
- / 2