Electrodes & safety EEG

An educational and engaging image showcasing EEG electrodes, highlighting safety measures and electrical concepts, in a medical or laboratory setting.

EEG Electrodes & Safety Quiz

Test your knowledge on EEG electrodes and safety protocols with this engaging quiz! Whether you are a student, professional, or just interested in the field, this quiz covers various essential topics including electrode properties, leakage current, and ground loops.

12 challenging questions
Multiple-choice format
Instant feedback on your answers

12 Questions3 MinutesCreated by LearningWave451

Which one of these is not a property of an electrode?

Battery

Capacitor

Low frequency filter

High frequency filter

Which one of these does not typically describe a half-cell potential?

Small half-cell potentials participate in flow of current

Direct current potentials

Electrode potentials relative to a hydrogen ion

Large half-cell potentials participate in the flow of current

Which of these best describes a basal-sphenoid electrode?

An electrode that is placed superficially to the sphenoid

A needle electrode that records deep medial temporal lobe

An electrode that is inserted into the external auditory meatus to record lateral inferior temporal lobe

A non-existent electrode type

What is leakage current?

Current that flows from electrical parts to chassis

Current that flows out from a broken wire

Current that flows from machine to patient

Current that flows from a hot wire to a metal chassis

What is ground loop?

Using 2 grounds for one machine

Using 2 pieces of equipment with separate grounds on one patient

Using a machine without a ground

Connecting 2 pieces of equipment with separate grounds to each other

Which of these does not accurately describe a non-polarized electrode?

Small electrode potential

Long time constant causing no distortion of low frequencies

Participates in the flow of current

Desirable over a polarized electrode in EEG

Which of these is not productive for controlling electrode potentials in EEG?

Using metal that does participate in current flow

Using same metal for all electrodes

Using metal that does not participate in current flow

Scrubbing the surface with soap/Nuprep

Which of these electrode types is best to record the lateral-inferior temporal lobe?

Indwelling

Typmanic

Nasopharyngeal

Basal-sphenoids

Which of these does not accurately describe the usage of Electrode Z?

Should be between 0.1-5.0 kOhms

Should be equal among other electrodes

Very low impedance is undesirable

Is checked by using a weak DC signal

Which of these does not accurately describe Electrode potentials?

A non-controllable factor in EEG

The potential difference when electrode is placed in eletrolyte

High potentials causes electrode to participate in current flow

Creates resistance

Electrodes & safety EEG

EEG Electrodes & Safety Quiz

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