Match Each of the Following Components of the ECG Graph

question 58

Multiple Choice

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

• 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:

Variable-Ratio

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, promoting high and steady response rates.

Contingency

A future event or circumstance that is possible but cannot be predicted with certainty, often used in psychology to describe the relationship between behavior and its consequences.

DRO

Differential Reinforcement of Other behavior, a technique used in behavioral therapy to encourage the occurrence of desired behaviors by only rewarding behaviors other than the undesirable one.

Variable-Ratio

A reinforcement pattern in which a reaction is rewarded following a random number of responses, resulting in consistent and elevated rates of response.