Encephalo - Study guides, Class notes & Summaries

Electroencephalogram (EEG) and Event related potentials (ERPS) Exam Questions and Answers

Physiology - Electroencephalography (EEG) (B7) Questions With Solutions A flat EEG (no electrical activity) is clinical evidence of death Patterns of rhythmic neuronal electrical activity recorded are called brain waves (brain rhythms) scalp EEG a pair of electrodes are attached to scalp connected to a differential amplifier •Amplifier will reveal a pattern of voltage fluctuations over time •Amplitude between -100 µV and +100 µV •Frequency 0-100 Hz

An imaging technique that reads scalp electrical activity correct answer: EEG EEG measures mostly... correct answer: the currents that flow during synaptic excitations of the dendrites of many pyramidal neurons in the cerebral cortex Only large populations of active neurons can generate... correct answer: electrical activity recordable on the head surface The highest influence to the EEG comes from the... correct answer: elecrtical activity of the cerebral cortex due to its surface ...

PML Study Guide Exam Progressive Multifocal Leukoencephalopathy Questions & Answers 2024/2025

RNSG 2539 EXAM I SHOCK, MODS, SPINAL CORD INJURY, TRAUMATIC BRAIN INJURY, ENCEPHALOPATHY, BRAIN DEATH QUESTIONS AND ANSWERS 2023

What is an EEG correct answer: -Graphic recording of the electrical activity of the brain -Several electrodes attached to the scalp of a patient - EEG is invaluable for evaluating? correct answer: Epileptic seizures Indications correct answer: 1.Identify and evaluate patients with seizures 2. Evaluate patient with pathological conditions I ~ Tumors II ~ Infarctions 3. Confirmatory test to determine brain death What can interfere with EEGs? correct answer: 1. Hypoglycemia...

Electroencephalography (EEG) Questions with Answers 2024 EEG Records the Electric Activity of the Brain Things that EEG diagnose Epilepsy Brain tumor Head injury Encephalopathy Inflammation of the brain (encephalitis) Stroke Sleep disorders Memory impairment Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:13 / 0:15 Full screen EEG waves 4; Alpha, Beta, Delta and Theta Alpha Recorded from Parietal & Occipita...

PREP U CH. 65electroencephalogram (EEG) Questions and Answers 2023 Electroencephalogram (EEG) Test Electrodes are applied to the scalp, and the electrical activity of the brain is monitored. EEG is used to detect seizure activity and disorders. test used to find problems related to ELECTRICAL ACTIVITY of the BRAIN. A client is scheduled for an EEG after having a seizure for the first time. Client preparation for this test should include which instruction? "Avoid stimulants and alco...

Electroencephalography Lab Questions With Solutions How does greater cortical activation affect alpha activity? lowers it When are beta waves seen? awake, alert, eyes open. When are theta waves seen? not in adults, more in children. Normal during sleep at all ages When are gamma waves seen? higher mental activity

PML Practice Test Progressive multifocal leukoencephalopathy Questions & Answers 2024/2025