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NUR 2755 / NUR2755: Multidimensional Care IV / MDC 4
Exam 1 Study Guide Questions and Correct Answers (2024 /
2025) (Verified Answers)
- What is the most common type of dementia?: Alzheimer's disease
- IS ALZHEIMER'S REVERSIBLE?: NO
- What is the etiology of Alzheimer's?: Unknown
- Alzheimer's is the result of?: changes in personality, memory, and/or judgement
- What are risk factors for Alzheimer's?: * 65+ years
- female
- head injury
- APOE gene
- what is the patho of Alzheimer's: plaques, tangles, degeneration of neurons
- How is Alzheimer's diagnosed?: biopsy at autopsy is the only definitive way but dementia can be ruled out with CT, labs, UA, and MRI
- Early s/s of Alzheimer's Disease: - decreased short term memory
- MIDDLE S/S OF ALZHEIMER'S DISEASE: - WANDER
- agitated
- incontinent
- money issues
- late s/s of Alzheimer's disease: - bed ridden
- agnosia (inability to recognize objects, people, or sounds)
- Medications used for Alzheimer's: Cholinesterase inhibitors
- slow breakdown of Ach
- Donepezil and Rivastigimine NMDA receptor antagonists
- block excess amounts of glutamate
- Memantine
- Nursing care for Alzheimer's: - safe environment (#1) good lighting, no clutter
- stick with a routine
- offer walks, exercise
- reduce distractions
- What is Parkinson's Disease: Movement disorder caused by the death of cells that generate dopamine in the basal ganglia and substantial nigra. Low levels of dopamine and high levels of Ach
- How does Parkinson's progress?: slowly, but will eventually lead to disability
- How is parkinson's diagnosed: history and s/s
- s/s of parkinsons: - tremors
- muscle rigidity
- mak like facial expression
- bradykinesia
- shuffling gait
- cogwheel rigidity in limbs
- propulsive gait (head and neck forward, back is slouched)
- nursing care for parkinson's: - safe environment
- sit up when eating, thick liquids
- encourage ROM and exercise
- Medication for Parkinson's: - Sinemet
- Levodopa (increases dopamine levels in CNS) and Carbidopa (prevents levodpa breakdown)
- take at same time every day
- know that increased protein can alter effectiveness
- Benztropine
- decreases Ach levels
- What are headaches?: vasodilation of blood vessels in the brain
- What causes headaches: genetics, stress, hormones
- What can trigger a headache?: coffee, yogurt, alcohol, MSG, marinated foods
- s/s of headache: head pain for 4 - 72 hours, N/V, unilateral pain, may come with aura
- what are cluster headaches?: happen at night, stuffy nose
- treatment of headache: Prophylactic = propranolol Mild = NSAID Severe = sumatriptan
- ergotamine tartrate
- 6 tabs in 1 day
- take as soon as pain starts
- MOA = constricts cerebral blood vessels
- What is increased ICP made of?: CSF, blood, brain
- what causes increased ICP: infection, trauma, increased CSF, hemorrhage, tumors
- s/s of increased ICP: MIND CRUSH
M: mental status change (early sign) = decreased LOC, irritable, confusion I: irregular breathing (late sighn) = Cheyene Stokes N: nerve damage to eye = pupil changes D: decerebrate (limbs out) and decorticate (limbs to core) posturing
C: cushing's triad (late) = HTN + brady + wide pule pressure R: reflux - N/V U: unconscious S: seizures H: headaches
- NURSING CARE FOR INCREASED ICP: PRESS P: position HOB @ 30 degrees and make sure body's midline (no flexion of neck or hips) R: respiratory we want to prevent hypercapnia by hyperventilating (limit suctioning) E: elevated temp - prevent it! S: system checks = neuro checks S: straining things - avoid it (no lifting, blowing nose, cough/sneeze)
- Additional Nursing care measures for ICP: - turn down the lights
- no TV or noise
- put sign on door telling visitors to see nurse first
- What do you NOT do when someone has increased ICP?: Lumbar Puncture
- What is the Glasgow Coma Scale?: - A brain injury severity scale that assesses depth and duration of impaired consciousness and coma.
- what 3 areas make up the Glasgow coma scale?: - eyes score 1 - 4
- verbal score 1 - 5
- motor score 1- 6 Total score 3 - 15 **lower the score = more severe injury/status
- EYES FOR GLASGOW COMA SCALE: ESPN E - eyes open spontaneously (4) S - sound (3) P - pain (2) N - not open (1)
- Verbal for Glasgow coma scale: Our Country WIN O: oriented (5) C: confusion (4)
W: words are inappropriate (3) I: incomprehensible sounds (2) N: nothing (1)
- Motor for Glasgow coma scale: Can't Live Without FANs C: commands followed (6) L: localize to pain (5) W: withdrawal from pain (4) F: flexion - decorticate posturing (3) A: abnormal extension-decerebrate (2) N: nothing (1)
- what are seizure: abnormal and increase in firing of neurons
- what is epilepsy: chronic seizures
- what triggers seizures: stress, fatigue, coffee
- what are risk factors for seizures: infection, trauma, fever, withdrawal, imbal- ances
- How do you diagnose siezures: EEG (wash hair prior)
- Seizure Precautions: - padded bed rails
- O2 and suction at bedside
- IV access
- Types of siezures: absence, atonic, tonic clonic, status epilepticus
- Absence Seizures: - day dreaming
- LOC for a few seconds
- s/s = pick at clothes, lip smack, blank stare
- Atonic Seizures: loss of muscle tone - fall
- Tonic Clonic seizure: - tonic = stiffening
- clonic = rhythmic jerking
- postictal phase = coming back to - confused/sleepy
- Status Epilepticus: - medical emergency!
- 1 seizure that lasts > 5 mins
- repeat of seizure w/in 30 min
- nursing care during siezure: - turn patient on left side (#1)
- loosen restrictive clothing
- note onset and duration
- do NOT insert anything by mouth
- Nursing care after seizure: - take vitals
- determine what trigger was
- maintain left lying position
- Treatment of seizures: Phenytoin
- narrow range (10-20), s/s= gingival hyperplasia
Valproic acid
- s/s = hepatotoxic Carbamazepine
- can cause a rash (Steven Johnson syndrome)
- Education for Seizures and Seizure treatment: - medication compliance (abrupt withdrawal = rebound seizures)
- do not drive
- wear medical alert bracelet
- surgical treatment of seizure: - vagal nerve stimulator
- What is encephalitis?: infection & inflammation of the brain tissue ***life threatening
- How is encephalitis diagnosed?: CSF analysis or EEG
- What are the s/s of encephalitis?: stiff neck, n/v, fever
- What can encephalitis increase risk of?: increased ICP
- Nursing care for encephalitis: - turn down lights and noise
- keep midline and HOB @ 30 degrees
- avoid straining activities
- What is meningitis: inflammation of meninges (around brain and spinal cord)
- what are the two main types of meningitis: 1. viral - more common
- bacterial - cause is step
- Prevention of meningitis: vaccination
- Hib for baby
- MCV4 for teens
- Diagnosis of meningitis: CSF analysis
- What does CSF analysis look like for viral meningitis?: clear, increased wbc and protein
- what does CSF analysis look like for bacterial meningitis: cloudy, decreased glucose, increased wbc, and protein
- s/s of meningitis: nuchal rigidity, n/v, photophobia, Brudzinski's sign, Kernig's sign
- What is Brudzinski's sign?: After forced flexion of the neck there is a reflex flexion of the hip and knee and abduction of the leg.
- What is Kernig's sign?: After flexing the hip and knee at 90 degree angles, pain and resistance are noted.
- Nursing care for Meningitis: - bacterial = antibiotics
- viral = acyclovir
- steroids (decrease inflammation, increased infection)
- prophylaxis treatment for anyone in contact/exposed
- implement droplet precautions for first 24 hours of treatment
- Decrease ICP risk by elevating HOB, keep body midline, avoid straining activities, turn everything down
- What is MS?: Autoimmune disease with chronic inflammation and no cure; just periods of relapse and remition
- what is patho of MS: - body attacking its own myelin sheath
- what causes MS: genetic, autoimmune, infection
- what are risk factors of MS: female, white, 20 - 50 y/o
- diagnosis of MS: no 100% way
- MRI
- CSF analysis (increased WBC, proteins, IgG)
- S/S of MS: - muscle weakness
- intention tremors
- tinnitus
- vision (diplopia, nystagmus)
- Nursing care for MS: - protect from injury
- allow for periods of rest
- help manage stress b/c this can lead to relapse/remit
- Meds for MS: - Immunomodulators, immunosuppressants (decreased inflam- mation, increase infection)
- muscle relaxant = baclofen
- what is Autonomic dysreflexia: Firing of SNS with no PNS response
- what injury causes autonomic dysreflexia?: injury above T
- what causes autonomic dysreflexia?: - bowel, bladder, breakdown of skin
- s/s of autonomic dysreflexia: - severe htn
- bradycardia
- headache
- diaphoresis
- blurry vision
- facial flush above injury
- pale below injury
- NURSING CARE FOR AUTONOMIC DYSREFLEXIA: PREVENT:
- bladder distention (empy it, check tubing for kinks, use bladder scanner)
- bowel - check for impactation
- skin breakdown - remove tight clothing Detect: at risk above T6 injury, report of headache, check BP Action: elevate HOB, Remove restrictive clothing, schedule bowel and bladder maintenance
- What is true for spinal cord injury: the higher the injury, the more system affected and shorter the lifespan
- diagnosis of spinal cord injury: X-ray, CT scan, MRI
- prevention of spinal cord injury: stop drugs and alcohol
- causes of spinal cord injury: traumatic: falls, MVA, violence Non-traumatic: tumors, RA Direct: fracture, hyperflexion (diving), hyperextension, penetration (GSW), axial load
- types of spinal cord injuries: Complete: complete severed spinal cord, com- plete loss of function below injury Incomplete: spinal cord is partially severed, partial loss of function Quadriplegia
- at C
- Unable to move all 4 extremeties
- MVA, fall Paraplegia
- below T1, paralysis of lower extremities, can be result of GSW
- what is the main cause of death for people with spinal cord injuries: sepsis, pneumonia, PE
- Acute management of spinal cord injury: - airway and breathing
- immobilize head and neck (c-collar)
- determine LOC by using GCS
- Medications for spinal cord injuries: - corticosteroid = methylprednisolone
- first given as IV bolus - then IV continuous drip for 24 hours
- needs to be given w/in 8 hrs of injury
- s/s hyperglycemia, poor wound healing, infection
- education: increae Ca intake, ROM, deep breathing
- what is the number 1 thing to keep in mind with a spinal cord injury?: AIR- WAY and BREATHING
- Complications of Spinal cord injury: - autonomic dysreflexia
- neurogenic shock (hypo, bready, edema, temp)
- what is a stroke?: alteration in blood flow to the brain
- TIA: transient ischemic attack = mini stroke, warning sign
- diagnosis of stroke: CT without contrast
- Etiology of stroke: - nonmodifiable = age, sex, history
- modifiable = HTN, BC user, high cholesterol, smoker
- s/s of stroke: FAST facial droop, arm drift, speech is slurred, time how much as passed
- General Left vs Right side stroke: Left = language Right = impulse & judgement
- Left-sided stroke s/s: - receptive aphasia (unable to verbally communicate back)
- right sided hemiparesis (weakness)
- agraphia (unable to right)
- Aware of their deficits - anxiety and depression
- Right-sided stroke s/s: - poor impulse control and judgement
- 1 sided neglect syndrome (unaware of deficits on left side of body, big safety concern)
- short attention span
- proprioception (depth) issues
- Broca's area: expressive aphasia: unable to communicate/express back in speech
- Wernikies aphasia: receptive aphasia: unable to receive/understand what is being said
- nursing care for both broca's and wernikies: - be patient
- use short phrases
- use gestures/point
- limit distractions around
- Treatment of stroke: General - anticoagulants, stool softeners, benzo's Ischemic stroke aka clot - tPa = thrombolytics (must be w/in 3 hours, BP needs to be in range, neuro checks every 15 mins. NOT for bleeding, htn, >3hrs
Hemorrhagic stroke - only treatment is surgery (BP must be in range, NOT for
someone on blood thinners (coumadin), if blood is too thin, admin fresh plasma or Vit K)
- Nursing care for stroke: - safe environment (teach patient to scan before ambulating)
- lots of eating concerns:
- sit up
- tuck chin
- thick liquids
- use dentures
- no straws
- take small bites
- use mechanical soft diet Complications of stroke: increased ICP, seizures, HTN, headach
- Who is at risk for TBI: infants, teens, older adults
- how does TBI occur: falls, mva, gsw, sports
- levels of tbi: mild - concussion moderate - decreased loc
severe - prolonged LOC
- types of TBI: - subdural hematoma - bleeding below dura and above arachnoid
- primary: open (directly to brain) closed (fracture)
- secondary - result of primary
- Nursing care for TBI: #1 determine what caused injury
- monitor LOC by GCS
- watch for CSF - clear drainage, shows halo with test
- wiping = ok
- blowing/inserting = NO
- prevent increased ICP
- Complications of ICP: hydrocephalus, infection, stroke, increased ICP
- meds for icp: antiseizure, mannitol, corticosteroids