Which of the Following Is True Regarding the Role of Calcium

question 11

Multiple Choice

Which of the following is true regarding the role of calcium on action potentials?

• A) The magnitude of the action potential depends on calcium concentration.
• B) Extracellular calcium concentrations set the time constant for action potential decay.
• C) The falling phase of the action potential is calcium-dependent in some cells.
• D) The afterhyperpolarizing potential is shorter with increased extracellular calcium.
• E) The rising phase of the action potential is calcium-dependent in some cells.

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Definitions:

Correlational

Pertaining to a statistical relationship between two or more variables, indicating a pattern or tendency that one variable changes as the other does.

Experimental

Pertains to a trial or preliminary experiment method used to explore the validity of a hypothesis or understand cause-and-effect relationships.

Naturalistic Observation

A research method in which subjects are observed in their natural environment without intervention from the researchers.

Naturalistic Environment

A setting that closely mimics the real-world or natural conditions in which behaviors or phenomena occur.