_____ Is a Highly Contagious Viral Infection of the Brainstem

question 75

Multiple Choice

_____ is a highly contagious viral infection of the brainstem and spinal cord that sometimes leads to paralysis.​

• A) ​Meningitis
• B) ​Poliomyelitis
• C) ​Myelosis
• D) ​Tetanus

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Definitions:

Action Potential

A rapid, temporary change in the electrical membrane potential of a neuron or muscle cell, allowing the transmission of signals.

Relatively Refractory Period

A phase following the absolute refractory period during which a neuron requires a stronger than normal stimulus to fire an action potential.

Absolutely Refractory Period

A phase following action potential in neurons during which no new action potential can be initiated, regardless of the strength of the incoming signal.

Tetraethylammonium (TEA)

Tetraethylammonium (TEA) is a chemical compound known to block potassium channels in cells, used in research to understand ion channel functions and in studying neural and muscular activity.