Muscular System Quiz

What is the primary location of cardiac muscle in the human body?

• Central layer of the heart

• Throughout the entire body

• Inner layer of the heart

• Outer layer of the heart

Which characteristic is NOT associated with cardiac muscle?

• Involuntary control

• Fatiguing quickly

• Branched structure

• Striated appearance

Where is smooth muscle primarily found?

• In the skin

• Attached to bones

• In hollow organs and passageways

• In the heart

What is the term for the wave-like contraction pattern in the esophagus?

• Myogenic contraction

• Peristalsis

• Voluntary contraction

• Striation

Which of the following is NOT a feature of smooth muscle?

• Striated appearance

• Involuntary control

• Slow contraction

• Found in digestive tract

What percentage of the body's overall mass is made up of skeletal muscle?

• 40%

• 20%

• 30%

• 50%

Which type of muscle is under voluntary control?

• All of the above

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

What is the term for the bundles that skeletal muscle fibers are organized into?

• Myofibrils

• Fascicles

• Filaments

• Tendons

What is the sheath around a muscle fiber called?

• Endomysium

• Perimysium

• Epimysium

• Myofibril

What is the primary function of the blood supply to muscles?

• To supply oxygen and remove carbon dioxide

• To remove waste products

• To provide nutrients

• To regulate temperature