In the Bloodstream, Norepinephrine Is Active as A(n) __________

question 226

Multiple Choice

In the bloodstream, norepinephrine is active as a(n) __________.

• A) neurotransmitter
• B) hormone
• C) endorphin
• D) both a and b

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Definitions:

Less Negative

Refers to a situation or condition that is not as adverse or undesirable as it could be; somewhat improved.

Action Potential

A temporary reversal in the electrical potential across a plasma membrane that occurs when a cell has been activated by a stimulus, essential for nerve impulse conduction.

Electrical Charge

A physical property of particles or objects that causes them to attract or repel each other due to the presence of electric charge, either positive or negative.

Neuron

A cell dedicated to sending signals in the form of nerve impulses; known as a neuron.