The Nurse Using Cardiac Monitoring Understands That Each Horizontal Box

question 52

Multiple Choice

The nurse using cardiac monitoring understands that each horizontal box on the electrocardiogram (ECG) paper indicates

• A) 200 milliseconds or 0.20 seconds duration.
• B) 40 milliseconds or 0.04 seconds duration.
• C) 3 seconds duration.
• D) millivolts of amplitude.

---

Definitions:

U-shaped Curve

A graphical representation showing a relationship where initial decreases lead to a minimum point, followed by subsequent increases.

Total Cost Curve

A graphical representation that shows the total cost of producing different levels of output, illustrating how costs change with production volume.

Marginal Cost Curve

A graphical representation that shows how the cost of producing one additional unit of a good varies as the quantity of the good produced changes.

Average Fixed Cost Curve

A graphical representation showing the average fixed cost per unit of output, which decreases as production increases due to spreading fixed costs over more units.