_____ Is the Ability of Cardiac Pacemaker Cells to Spontaneously

question 33

Multiple Choice

_____ is the ability of cardiac pacemaker cells to spontaneously initiate an electrical impulse without being stimulated from another source, such as a nerve.

• A) Excitability
• B) Conductivity
• C) Automaticity
• D) Contractility

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Definitions:

Arterial Blood Gases

A test that measures the levels of oxygen and carbon dioxide in arterial blood, used to assess lung function and oxygenation.

Hoarseness

A voice abnormality characterized by changes in vocal clarity and tone, often due to irritation or infection of the vocal cords.

ABGs

Arterial Blood Gases, a test that measures the acidity (pH) and levels of oxygen and carbon dioxide in the blood from an artery.

Dust Particles

Tiny fragments of solid material that are suspended in the air and can accumulate on surfaces.