A Nonfunctional Sinoatrial Node Would

question 73

Multiple Choice

A nonfunctional sinoatrial node would

• A)have no adverse effects on heart contraction.
• B)cause the heart to stop beating in an autorhythmic fashion.
• C)result in a block in ventricular contractions.
• D)cause no effects because hormones will take over regulation of the heartbeat.
• E)have little significant effect on stroke volume.

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Definitions:

Vulnerable

Refers to the state of being open to harm, damage, or attack either physically, emotionally, or psychologically.

Executive Control System

A cognitive process responsible for planning, problem-solving, and goal-directed behaviors, often related to the functioning of the prefrontal cortex.

Visuospatial Sketchpad

A component of the working memory model that processes visual and spatial information, allowing for the manipulation of images and spatial data in the mind.

Rehearsal Loop

A cognitive process in which information is repeatedly cycled through short-term memory to aid in its retention.