In What Order Would Excitation Move Through the Conducting System

question 100

Multiple Choice

In what order would excitation move through the conducting system of the heart?
1) Purkinje fibers 4.SA node
2) AV bundle 5.bundle branches
3) AV node

• A)4,3,2,5,1
• B)3,5,4,2,1
• C)1,4,3,2,5
• D)4,2,3,5,1
• E)3,2,4,5,1

Analyze the impact of cell division rates on the duration of specific cell cycle phases in different cell types.

Identify the role of specific genes and proteins in the DNA replication process and cell cycle control.

Distinguish between the phases of the cell cycle and the molecular events characteristic of each phase.

Explain the role of environmental conditions in influencing cell cycle progression and the mechanisms involved.