Above-Threshold Depolarizing Currents Are Repeatedly Applied at a Rate of 1

question 219

Multiple Choice

Above-threshold depolarizing currents are repeatedly applied at a rate of 1 per second to a single neuron. If we increase the frequency of stimulation to 10 per second, we can expect __________.

• A) an increase in the number of action potentials per second
• B) an increase in the magnitude of the action potential(s)
• C) the number of action potentials per second to remain the same
• D) none of the above

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Definitions:

Vascular System

The network of blood vessels in the body, including arteries, veins, and capillaries, which circulate blood.

Peristalsis

The wave-like muscle contractions that move food through the digestive tract.

Continuous Capillaries

Microscopic blood vessels with uninterrupted endothelial linings, allowing for the controlled exchange of substances.

Fenestrated Capillaries

These are specialized capillaries with pores in their endothelial lining, allowing for the efficient exchange of larger molecules like proteins.