Which Part of the Cardiac Conduction System Fires Off Impulses

question 97

Multiple Choice

Which part of the cardiac conduction system fires off impulses at the fastest rate? ​

• A)Purkinje fibers
• B)Bundle branches
• C)AV node
• D)SA node
• E)gap junctions

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Definitions:

Antibodies

Proteins produced by the immune system to neutralize or destroy pathogens such as bacteria and viruses.

T-Cells

T-Cells are a type of white blood cell that play a critical role in the immune system, helping to protect the body from infection and disease.

B-Cells

A type of white blood cell that plays a significant role in the immune system by producing antibodies.

Basophils

A type of white blood cell that plays a role in immune response by releasing histamine and heparin during allergic reactions and infections.