DRHS-ANAT-Practice EOC #2

Front

What does #4 represent in muscle anatomy?

Back

Myosin

Front

What is tidal volume?

Back

Normal breath in and out.

Front

Identify the structure labeled as 9 in bone anatomy.

Back

Medullary Cavity.

Front

What is the main function of a Sesamoid bone?

Back

To protect tendons and joints, and improve their movement.

Front

Which lobe of the brain is shown in yellow?

Back

Parietal.

Front

What is the primary role of Actin in muscle contraction?

Back

Actin filaments interact with myosin to facilitate muscle contraction.

Front

Define the I Band in muscle fibers.

Back

The I Band is the region of a sarcomere that contains only thin filaments (actin).

Front

What is the function of the H Zone in muscle fibers?

Back

The H Zone is the area in the center of the A Band where there are only thick filaments (myosin) and no thin filaments.

Front

What is the role of yellow marrow in bones?

Back

Yellow marrow stores fat and serves as an energy reserve.

Front

What is the periosteum?

Back

The periosteum is a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.