EDAPT Electrical Properties

A defibrillator generates a voltage of about 500 V. If the resistance of the skin is about 1 million ohms, how much current does the defibrillator generate in the body?

0.0005 A

If the current in the bloodstream is 0.0001 amps and the heart creates about 0.06 V of voltage, then how much resistance does the bloodstream cause to the flow of electricity?

600 ohms

What effect does electrical current cause on muscles?

Contract

What is the primary function of a defibrillator?

Correct an arrhythmia

What is the primary function of a defibrillator?

Creates a high voltage across the heart​

What are the substances that carry charge in the fluid throughout the body?

Electrolytes

What chemicals regulate the flow of electricity in the human body?

Electrolytes

Which is not an application of electricity in healthcare?

Healing impaired skin

How does the electric current change when flowing through a substance with the same voltage but lower resistance?

Increases

What is the property of a substance which is opposite to the movement of electrical flow?

Resistance

Which are most common electrolytes in the body?

Sodium, calcium, potassium, magnesium

What is an important electrical property of the human skin?

The skin is resistant to current

What does an electroencephalogram (EEG) measure?

The voltage across the brain

What is the driving force that moves electrical charges through resistance?

Voltage

What pushes an electron charge through an electrical circuit?

Voltage

How does electrical current occur in the body?

When the flow of charges is transported across the cell membrane