Quiz on Muscular Tissues

What type of muscle is characterized by striations and multinucleated fibers?

• Cardiac muscle

• Skeletal muscle

• Non-striated muscle

• Smooth muscle

What is the connective tissue that envelops the whole skeletal muscle?

• Sarcoplasm

• Epimysium

• Perimysium

• Endomysium

What is the name of the thin connective tissue that sheaths individual muscle fibers?

• Epimysium

• Perimysium

• Endomysium

• Sarcoplasm

What type of band is known as the A-band in skeletal muscle fibers?

• Dark band

• Isotropic band

• Anisotropic band

• Light band

What is the primary component of thick filaments in the sarcomere?

• Titin

• Myosin

• Z-line

• Actin

What structure connects thick filaments together in the H-band?

• I-band

• M-line

• Z-line

• A-band

What is the function of titin in the sarcomere?

• Stores calcium

• Forms the A-band

• Connects Z-lines

• Prevents too much stretch

What is the name of the area in the center of the A-band that is not reached by thin filaments?

• H-band

• M-line

• Z-band

• I-band

What type of muscle is non-striated and involuntary?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Striated muscle

What is the primary role of the sarcoplasmic reticulum?

• Nerve signal transmission

• Protein synthesis

• Calcium storage

• Energy storage