EEG Pattern Recognition

14 Questions | Total Attempts: 4728

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EEG Pattern Recognition

Normal Awake Patterns: Adult, Pediatric, Neonate Normal Sleep Patterns: "" Abnormal Patterns: Epileptiform/NonEpileptiform NOrmal Variants: 14/6; Rhythmic Midtemporal discharges, BETS, Wicket, Activations, other Artifacts Medication and Drug Effect: Anticonvulsants, sed/narcotics, anethetics, psychotropics, other


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Questions and Answers
  • 1. 
    Phenytoin (Dilantin) toxicity causes the EEG to show?
    • A. 

      No change

    • B. 

      Asymmetric alpha rhythm

    • C. 

      Increased frontal beta activity

    • D. 

      Increased geralized theta activity

    • E. 

      Frontal slowing

  • 2. 
    Increased Beta in the EEG may be caused by which of the following?
    • A. 

      Diazepam

    • B. 

      Phenytoin

    • C. 

      Cimetidine

    • D. 

      Amitriptyline

    • E. 

      Lorazepam

  • 3. 
    An EEG will always appear abnormal if the brain is functioning abnormally?
    • A. 

      True

    • B. 

      False

  • 4. 
    Any wave or sequence of waves is simply referred to as EEG ______?
    • A. 

      Activity

  • 5. 
    The drug phenytoin (Dilantin) will have little effect on the EEG at therapeutic levels, however, when approaching toxic levels the drug can cause what EEG change?
    • A. 

      An increase in Beta

    • B. 

      A slowing of the background alpha

    • C. 

      Frontal delta

    • D. 

      Bursts of temporal theta

  • 6. 
    Which of the following medications can commonly cause increased theta and beta activity at therapeutic doses?
    • A. 

      Antidepressants

    • B. 

      Chloral hydrate

    • C. 

      Analgesics

    • D. 

      Antihistamines

  • 7. 
    Sodium Amytal is used for:
    • A. 

      Truth Serum

    • B. 

      Wada Test

    • C. 

      Cerebral angiogram

    • D. 

      To induce Seizures

  • 8. 
    Increased amounts of beta can be caused by:
    • A. 

      Dilantin toxicity

    • B. 

      Therapeutic doses of barbiturate

    • C. 

      Pyridoxine deficiency

    • D. 

      Hyperthyroidism

  • 9. 
    At what conceptual age can wake and sleep first be differentiated?
    • A. 

      24 weeks

    • B. 

      32-33 weeks

    • C. 

      38-40 weeks

    • D. 

      All Ages

  • 10. 
    Which syndrome presents seizures in 3/4th of its' patients and is observed as continuous spike and wave during slow sleep and consistent ictal epileptiform dicharges while awake.
    • A. 

      Lennox-Gastaut

    • B. 

      Rankin Disease

    • C. 

      Landau Kleffner

    • D. 

      Tuberosclerosis

    • E. 

      West Syndrome

  • 11. 
    Electrocerebral inactivity is defined as no cerebral activity greater than _______ microvolts.
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      7.5

    • E. 

      9

  • 12. 
    Electrocerebral inactivity is defined as no cerebral activity greater than _______ microvolts and a verified electrode impedance with all electrodes testing between _______ to ______ ohms.
    • A. 

      4 microvolts; 100-10,000 ohms

    • B. 

      7.5 microvolts; 100-30,000 ohms

    • C. 

      2 microvolts; 100-5000 ohms

    • D. 

      2 microvolts; 100-10,000 ohms

    • E. 

      4 microvolts; 100-5000 ohms

  • 13. 
    A pattern of stereotyped bursts, usually consisting of mixed frequencies with or without intermixed epileptiform discharges. the bursts usually last 2-10 seconds and are separated by intervals of suppression that demonstrate no electrocerebral activity at normal sensitivities.
    • A. 

      Electrocerebral inactivity

    • B. 

      Burst Supression

    • C. 

      PLEDS

    • D. 

      Paroxysmal Seizure

    • E. 

      K Complex

  • 14. 
    The most common waveform associated with encephalopathies are ___________ waves.
    • A. 

      Biphasic waves

    • B. 

      PLEDS

    • C. 

      3Hz spike and slow wave

    • D. 

      Triphasic

    • E. 

      Sharp