When Ca²⁺ Release Channels in the Sarcoplasmic Reticulum of the Heart

question 95

Multiple Choice

When Ca²⁺ release channels in the sarcoplasmic reticulum of the heart are opened by an increase in Ca²⁺ in the cytoplasm,this is referred to as

• A)calcium-induced fibrillation.
• B)calcium-stimulated depolarization.
• C)calcium-stimulated calcium release.
• D)calcium-induced repolarization.

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Definitions:

Latching Solenoid

A solenoid device that can hold its position (engaged or disengaged) without needing continuous electrical power, a reemphasis on its function for maintaining states.

Reverse Current Pulse

A method used in electrical engineering to apply a current in the opposite direction to reset or initiate a process.

Momentary Voltage

A temporary spike or drop in electrical voltage, typically of short duration.

Normally-open

Refers to a switch or valve that is in an open state, allowing passage or flow, when not actuated.