Practice Test on Electrophysiological Methods |Methods in Biology

1.Brain electrical activty mapping is performed by
fMRI
ECG
EEG
Polygraphy

2.Activity of single channel on neurrron can be studied using
patch clamp technique
single neuron recording
ECG
EEG

Learn more: Microscopic techniques Practice test

3.Which instrument is used to measure electrical activity of the heart
Electrocardiograph
Electrocardiogram
Sphygmomanometer
Electrocephalogram

4.Measurement and mapping with spatial with spatial reso;ution the membrane potential of a cell, which is too small for microelectrode impalement, is done using
radioisotope
pH sensitive chemical
voltage -sensitive dye
vital dyes

5.Membrane potential in mitochondria critical for oxidative phosphorylation and is monitored by
Patch clamping
Measuring internal sodium ions after lysing the mitochondria
measuring the consumption of ATPn
measuring distribution of labelled ions across the mitochondria membrane

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Correct answers:

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