Which Event Happens at the Start of a Cardiac Cycle

question 130

Multiple Choice

Which event happens at the start of a cardiac cycle?

• A) Blood is ejected from the atrium.
• B) The SA node fires.
• C) The P wave develops.
• D) Ventricular systole occurs.
• E) Atrial systole occurs.

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Definitions:

Discordant

Describes a situation where two related things are at odds or do not match.

Anatomical Sex

Biological classification of bodies as male or female based on physical characteristics such as chromosomes, hormones, and reproductive organs.

Ambiguous

Describes information, statements, or situations that are unclear, uncertain, or open to more than one interpretation.

Woman-Child

A cultural archetype referring to an adult woman who exhibits traits or behaviors traditionally associated with children.