Muscle Tissue Quiz

What type of muscle tissue is striated and voluntary?

• Cardiac muscle

• Smooth muscle

• Skeletal muscle

• None of the above

Which type of muscle is found in the walls of organs and blood vessels?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• All of the above

Which muscle tissue type is auto-rhythmic and contains intercalated discs?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• None of the above

What property allows muscle tissue to return to its original shape after being stretched?

• Contractility

• Extensibility

• Elasticity

• Excitability

Which muscle property refers to the ability to propagate electrical signals?

• Contractility

• Conductivity

• Extensibility

• Elasticity

What connective tissue surrounds individual muscle fibers?

• Epimysium

• Perimysium

• Endomysium

• Sarcolemma

Which structure connects muscle to bone?

• Ligament

• Tendon

• Aponeurosis

• None of the above

Which protein anchors thick filaments in the sarcomere?

• Titin

• Nebulin

• Myomesin (M-Line)

• Dystrophin

What is the function of dystrophin in muscle cells?

• Stores calcium

• Connects sarcomeres to the sarcolemma

• Allows sarcomere elasticity

• Regulates actin-myosin interaction

What neurotransmitter initiates the muscle contraction process by causing sodium influx?

• Dopamine

• Acetylcholine (ACh)

• Serotonin

• Epinephrine