What Is the Propagation of Action Potentials Along Myelinated Axons

question 23

Multiple Choice

What is the propagation of action potentials along myelinated axons from one node of Ranvier to another called?

• A) Nonmyelinated
• B) Saltatory conduction
• C) Polarization
• D) Refractory period

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Definitions:

Atrioventricular Valve

One of the two valves that separate the atrium and the ventricle in the heart, preventing backflow of blood.

Inferior Vena Cava

The large vein that carries de-oxygenated blood from the lower and middle parts of the body into the right atrium of the heart.

Valves

Structures in the heart and veins that maintain blood flow in one direction, preventing backflow.

Coronary Artery

is a vital blood vessel that supplies oxygen-rich blood to the heart muscle itself.