The Strength of Local Electrical Potentials Is Modulated and Integrated

question 7

Multiple Choice

The strength of local electrical potentials is modulated and integrated via:

• A)Spatial summation,the combined effect of potentials generated in other parts of the neuron.
• B)Temporal summation,the combined effect of small potential changes occurring over several milliseconds.
• C)Both A and B
• D)None of the above.A local potential is an all-or-none phenomenon.

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Definitions:

Oxaloacetate

A four-carbon molecule that participates in the citric acid cycle and gluconeogenesis within cells.

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide.

Mitochondria

Cellular organelles often referred to as the powerhouses of the cell, where respiration and energy production occur.

Lactate

A byproduct of anaerobic metabolism in tissues, often associated with strenuous exercise or metabolic dysregulation.