What Does the P Wave Component of the Electrocardiographic Waveform

question 68

Multiple Choice

What does the P wave component of the electrocardiographic waveform represent?

• A) Atrial contraction
• B) Atrial depolarization
• C) Sinus node discharge
• D) Ventricular contraction

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Definitions:

Adult Male

A human male who has attained physical and sexual maturity, typically over the age of 18.

Hemoglobin

A protein in red blood cells responsible for transporting oxygen from the lungs to the rest of the body.

Erythrocyte

Erythrocytes, or red blood cells, are the most abundant type of blood cell, primarily responsible for carrying oxygen from the lungs to the body's tissues and bringing carbon dioxide back to the lungs for expulsion.

Neutrophil

Neutrophils are a type of white blood cell that play a critical role in the body's defense against infection by engulfing and digesting pathogens.