The Patient's Heart Rhythm Shows an Inverted P Wave with a PR

question 21

Multiple Choice

The patient's heart rhythm shows an inverted P wave with a PR interval of 0.06 seconds.The heart rate is 54 beats per minute.The nurse recognizes the rhythm as a junctional escape rhythm,and understands that the rhythm is due to the:

• A) loss of sinus node activity.
• B) increased rate of the AV node.
• C) increased rate of the SA node.
• D) decreased rate of the AV node.

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Definitions:

Overhead

All ongoing business expenses not directly attributed to creating a product or service. This includes costs like rent, utilities, and salaries of employees not directly involved in production.

Standard Labor Hours

Refer to the predetermined amount of time expected to be spent to complete a task under normal conditions.

Direct Labor Rate Variance

The difference between the actual labor rate paid to workers and the standard labor rate, multiplied by the total hours worked.

Direct Labor Hours

The total hours worked by employees directly involved in manufacturing a product or delivering a service.