Which Is the Normal Sequence of the Spread of Cardiac

question 53

Multiple Choice

Which is the normal sequence of the spread of cardiac excitation?
1) AV node
2) SA node
3) atria
4) Purkinje fibers
5) bundle of His
6) ventricular myocardium

• A)2-3-1-5-4-6
• B)3-2-1-4-5-6
• C)2-3-1-4-5-6
• D)1-2-3-4-5-6
• E)none of these

---

Definitions:

Product Costs

Costs that are incurred to create a product that includes direct materials, direct labor, and manufacturing overhead.

Segment Margin

The amount of profit or loss generated by a specific division or segment of a company, excluding common costs shared across segments.

Variable Expenses

Expenses that change in proportion with a company's activity level, such as materials and labor directly involved in production.

Traceable Fixed Expenses

Fixed costs that can be directly associated with a specific business segment or project.