Which of the Following Is the Amount of Electrical Stimulus

question 40

Multiple Choice

Which of the following is the amount of electrical stimulus or the difference in action potential created by cardiac cell movement within the heart?

• A) Isoelectric
• B) Voltage
• C) Current
• D) Impulse

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Definitions:

Conjugate Base

The species that remains after an acid has donated a proton, often able to react by accepting a proton.

pKa Values

A quantitative measure that indicates the strength of an acid; it's the logarithmic constant of a compound's dissociation in water.

Acids

Substances that donate protons (H+) in a chemical reaction and have a pH less than 7 in an aqueous solution.

pH

A measure of the acidity or alkalinity of a solution, on a scale in which 7 is neutral, lower values are more acidic, and higher values are more alkaline.