NR507 COMPLETE PRACTICE QUESTIONS AND ANSWERS

NR507 COMPLETE PRACTICE QUESTIONS AND ANSWERS There are some very well - known causes of Alzheimer's disease - CORRECT ANSWER-False The effect of dementia on the brain results in cerebral cortex swelling - CORRECT ANSWER-False Which of the following is true regarding dementia - CORRECT ANSWER-More than one type of dementia can co - exist in a patient In Alzheimer's disease , the microtubules become misfolded and tangled which alters their function - CORRECT ANSWER-True _________ involves an implantable device that directly sends electrical signals to the basal ganglia which counteracts the aberrant signaling in Parkinson's disease - CORRECT ANSWER-Deep brain stimulation This is involuntary shakiness most noted in the hands in a pill - rolling fashion - CORRECT ANSWER-Tremor This is a series of catches or stalls in movement as the extremity is passively moved by someone else . - CORRECT ANSWER-Rigidity Results from difficulty initiating movement - CORRECT ANSWER-Bradykinesia Postural instability is a late feature of PD - CORRECT ANSWER-True Parkinson's disease ( PD ) is a movement disorder where the dopamine - producing neurons and substantia nigra of the brain undergo neuron _________ - CORRECT ANSWER-degeneration Which of the following is considered the main treatment strategy for Parkinson's disease to increase dopamine signaling in the brain ? - CORRECT ANSWER-Administer levodopa Difficulty or unclear speech that is due to plaques in the brain stem - CORRECT ANSWER-Dysarthria This is involuntary rapid eye movement due to plaques on the nerves that cause eye movements - CORRECT ANSWER-Nystagmus This can be caused by plaques along the motor pathways of the spinal cord which can affect outbound signals and skeletal muscle control - CORRECT ANSWER-Intention tremor Lhermitte's sign is an electric shock that runs down the back and radiates in the limbs when bending the neck forward - CORRECT ANSWER-True Multiple sclerosis is classified as - CORRECT ANSWER-a type IV hypersensitivity reaction Remyelination takes place for a period of time . There is no disability between episodes - CORRECT ANSWER-Relapsing Remitting MS ( RRMS ) The immune attack becomes constant over time which causes a steady progression of disability - CORRECT ANSWER-Secondary Progressive MS ( SPMS ) There is one constant attack on the myelin - CORRECT ANSWER-Primary progressive MS ( PPMS ) This also involves one constant attack where the disability happens very fast - CORRECT ANSWER-Progressive Relapsing MS ( PRMS ) diagnostic tests used to diagnose Multiple Sclerosis - CORRECT ANSWER-An MRI that shows multiple CNS lesions called white matter plaque Cerebrospinal fluid analysis Visual evoked potential Multiple sclerosis is a Type III hypersensitivity reaction - CORRECT ANSWER-False Physical therapy and cognitive rehabilitation therapy can be helpful with sensory , motor and cognitive symptoms of Multiple Sclerosis - CORRECT ANSWER-True Which of the following is part of Charcot's Triad ? . - CORRECT ANSWER-Nystagmus Primary progressive MS ( PPMS ) involves one constant attack on the myelin which causes a steady progression of disability over the person's lifetime - CORRECT ANSWER-True Select all drugs that are used in the treatment of Multiple Sclerosis - CORRECT ANSWER-Intravenous immunoglobulin ( Flebogamma ) Methylprednisolone ( Solumedrol ) Cyclophosphamide ( Cytoxan )