Muscle Anatomy

What type of connective tissue surrounds each individual muscle fiber?

• Perimysium

• Endomysium

• Epimysium

• Fascia

Which connective tissue layer surrounds a fascicle?

• Perimysium

• Endomysium

• Epimysium

• Fascia

What is the connective tissue layer surrounding the entire muscle?

• Perimysium

• Epimysium

• Endomysium

• Subcutaneous fascia

Which layer of fascia separates individual muscles?

• Deep fascia

• Epimysium

• Perimysium

• Subserous fascia

What is a compartment?

• A single muscle fiber

• A space containing muscles, blood vessels, and nerves enclosed by fascia

• A bundle of fascicles

• A region of overlapping filaments

What is a potential consequence of fluid accumulation in a muscle compartment?

• Muscle hypertrophy

• Decreased compartment pressure

• Compartment syndrome

• Muscle relaxation

What is the treatment for compartment syndrome?

• Antibiotics

• Muscle relaxation exercises

• Fasciotomy

• Cast application

What is the role of the endomysium in muscle function?

• It stores oxygen for the muscle.

• It generates electrical impulses.

• It provides a chemical environment for ion exchange during nervous stimulation.

• It anchors the muscle to bone.

What is the function of the sarcoplasmic reticulum in muscle fibers?

• To generate electrical impulses

• To store and release calcium ions

• To transmit nervous signals

• To attach muscle fibers to connective tissue

Which of the following is NOT a protein found in thin filaments?

• Actin

• Troponin

• Myosin

• Tropomyosin