Match Each of the Following Components of the ECG Graph

question 26

Multiple Choice

Match each of the following components of the ECG graph cycle with its definition.
-P-R interval

• A)Represents the time interval from the beginning of ventricular depolarization to the end of repolarization of the ventricles
• B)Represents the electrical recovery of the ventricles
• C)Represents the contraction of the ventricles
• D)Represents the time from the end of ventricular depolarization to the beginning of repolarization of the ventricles
• E)Represents the contraction of the atria
• F)Represents the time from the end of atrial depolarization to the beginning of ventricular depolarization
• G)Represents the time from the beginning of atrial depolarization to the beginning of ventricular depolarization
• H)Represents the period of time when the heart rests

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Definitions:

Apical Pulse Rate

The number of heartbeats per minute felt at the apex of the heart, typically assessed by auscultation with a stethoscope.

Hypothermia

A medical condition characterized by an abnormally low body temperature, usually due to prolonged exposure to cold.

Epilepsy

A neurological disorder marked by recurrent, unprovoked seizures due to excessive electrical discharge in the brain.

Orally

Pertaining to the mouth; often used to describe the administration of medication or nutrients through the mouth.