Download SCRN Practice Exam QUESTIONS WITH COMPLETE 100%VERIFIED SOLUTIONS 2024/2025 and more Exams Health sciences in PDF only on Docsity! SCRN Practice Exam QUESTIONS WITH COMPLETE 100%VERIFIED SOLUTIONS 2024/2025 A person with a stroke who seems unaware of their disability: anosognosia Pt presents complaining of double vision, lacks horizontal eye movements while tracking is preserved. What area of the brain can cause internuclear opthalmoplegia? Brainstem Watershed stroke is described as: Stroke between two adjacent cerebral arteries Cerebrospinal fluid is produced at a rate of... 0.3-0.4ml/min A patient with locked-in syndrome most likely had an infarct in the... pons (pontine) A lacunar infarct is indicative of an event... in a small artery The MOST important point to emphasize in a community education program on strokes that will directly improve patient outcome and disability in setting of a stroke? Activate EMS What is a risk factor for a spontaneous carotid dissection? Connective tissue disease What is the MOST significant risk factor for stroke? Hypertension One fourth of all strokes occur in patients under the age of... 75 Atrial fibrillation is associated with.. An increased risk of stroke and mortality What is an example of exclusion criteria for tPA administration? Bleeding diathesis (unusual susceptibility to bleeding, usually due to hypocoagubility) Findings consistent with alterations in posterior cerebral circulation: Ataxia and visual deficits Predictor of a two-day risk for stroke following a TIA: ABCD2 What sign elicited during a physical examination would be indicative of meningeal irritation? Kernig's Sign The most sensitive and specific imaging technique for demonstrating acute infarction is... MR diffusion-weighted imaging A patient with SAH is ordered a cerebral angiogram. This test should... identify the etiology of the bleed What diagnosis in a patient is a contraindication in performing a lumbar puncture? SAH A neurologist has ordered a TTE. This test is best at identifying... ventricular thrombus A woman with sickle cell disease is being seen for preventative stroke diagnostic testing. What procedure would you expect to be performed? Transcranial doppler A patient is scheduled for embolization of L AVM. The goal of the treatment is... Occlusion of the deep arterial feeding vessels Pt with recent head trauma presents with pulstile tinnitus, headache, and visual disturbances. These symptoms may indicate... dural arteriovenous fistula MRI report describes a low flow, low pressure vascular lesion in the left temporal lobe. The RN identifies that this is most likely... Cavernous angioma Pt has slow speech with inappropriate silences and audible inspirations. The RN identifies this as... Dysarthia When administering mannitol IV every 3 hours, the primary nursing considerations include... Serum osmolality, CPP goals, and fluid balance Primary laboratory testing/monitoring for heparin infusion: APTT An adverse side effect of anticonvulsant therapy = Alteration in mentation The estimated percentage of ischemic stroke patients that receive tPA = 2-7% What is anisocoria? Unequal size of the eyes pupils What is apraxia? Inability to perform purposeful actions as a result of brain damage CN dysfunction "Locked-in syndrome" Diagnostic indications of Lumbar Puncture Measurement of CSF pressure Collection of CSF samples for laboratory analysis - presence of WBC may indicate meningitis, prior hemorrhage, recent seizure, leukemia or metastatic tumor Determination of blood in CSF is a confirmatory diagnosis of SAH Removals of CSF to reduce ICP What is the most sensitive and specific imaging technique for the demonstrating of acute infarction and why? MR diffusion-weighted-imaging Sensitivity 88-100%, specificity 95-100% Able to determine site, size, and age of infarction by measuring cerebral perfusion with the concentration of a tracer agent Signs and symptoms that are specific to hemorrhagic strokes? Headache 'worst headache of my life' Nausea and vomiting Decreased LOC Light intolerance Neck pain What type of stroke is nuchal rigidity associated with? Aneurysmal SAH (as well as meningeal irritation that appears 4-8 hours after aSAH) What is a dural AV fistula? A direct connection between the meningeal artery and meningeal vein or dural sinus vein Patients may experience headache, tinnitus, bruit, or cranial nerve deficits depending on the size What is tinnitus? Ringing sound in the ears What is a cavernous angioma? A hemangioma or series of adjacent capillaries with SLOW BLOOD FLOW that may occur anywhere in the CNS. Congenitally acquired, most benign Symptomatic = headache, seizure, cerebral hemorrhage What are examples of stroke mimics? Migraine headache Toxic metabolic syndrome Seizure disorder Migraine headache Degeneratve neurologica conditions (MS) CNS abcsess or tumor 1 kg = 2.2 lbs