The Signs and Symptoms Associated with a Concussion Include a Loss

question 27

Multiple Choice

The signs and symptoms associated with a concussion include a loss of consciousness, especially if it is a witnessed loss of consciousness of greater than ____.

• A) 10 seconds
• B) 15 seconds
• C) 20 seconds
• D) 30 seconds

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Definitions:

Synapse

Region where a neuron’s axon terminals transmit signaling molecules (neurotransmitter) to another cell.

Neurons

Specialized cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Myelin Sheath

A fatty layer that encases the axons of some neurons, which increases the speed at which electrical impulses are conducted.

Sodium-Potassium Pumps

Membrane proteins that pump sodium ions out of cells and potassium ions into cells, playing a key role in maintaining cell potential.