Myocardial Tissue Is Nonresponsive to Stimulation During Which Phase of the Cardiac

question 11

Multiple Choice

Myocardial tissue is nonresponsive to stimulation during which phase of the cardiac cycle?

• A) The final phase of diastole
• B) The initial phase of systole
• C) The final phase of systole
• D) The initial phase of diastole

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Definitions:

Synapse

A Synapse is the junction across which a nerve impulse passes from an axon terminal to a neuron, muscle cell, or gland.

Electrical

Pertaining to electricity, a form of energy resulting from the existence of charged particles such as electrons or protons.

Chemical Message

Information passed between organisms or cells, often in the form of hormones or neurotransmitters, that affects physiological or behavioral changes.

Synapse

The junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter.