The Nurse Uses a Picture to Demonstrate the Conduction Pathway

question 2

Short Answer

The nurse uses a picture to demonstrate the conduction pathway through the chambers of the heart.(Arrange the following options in the correct sequence.)
A) Atria contract.
B) Conduction occurs through the bundle branches.
C) AV node fires.
D) Purkinje fibers conduct.
E) SA node fires.
F) Ventricles contract.

• A) Atria contract.
• B) Conduction occurs through the bundle branches.
• C) AV node fires.
• D) Purkinje fibers conduct.
• E) SA node fires.
• F) Ventricles contract.

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Definitions:

Endosteum

Membranous lining of the medullary cavity and the cavities of spongy bone.

Periosteum

Bones are encased in a thick connective tissue full of blood vessels, except where the joints are located.

Ruffled Borders

Ruffled borders are specialized structures of osteoclasts involved in bone resorption, where the bone surface is broken down and minerals released.

Osteoclasts

Bone cells that break down bone tissue, helping in bone resorption and remodeling.