Muscular System_SE_ 2025

Open Ended

What is the significance of understanding the pathophysiology of the muscular system in human health?

Open Ended

Compare the structural differences between skeletal, cardiac, and smooth muscle as seen in the diagrams and photomicrographs.

Multiple Choice

Which type of muscle is responsible for voluntary movements in the body?

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

• Connective tissue

Multiple Select

Which of the following are basic functions of skeletal muscle?

• Body movement

• Maintaining posture

• Producing heat

• Digesting food

Open Ended

Explain why skeletal muscle does not undergo mitosis and discuss the implications for muscle injury and recovery.

Multiple Choice

Which of the following structures is NOT part of a skeletal muscle?

• Perimysium

• Epimysium

• Intercalated disk

• Endomysium

Open Ended

Compare the ability of skeletal muscle and cardiac muscle to regenerate after injury. What implications does this have for recovery from muscle damage?

Multiple Select

Which of the following statements about cardiac muscle is/are correct?

• Cardiac muscle cells have intercalated discs.

• Cardiac muscle is under voluntary control.

• Cardiac muscle does not undergo mitosis.

• Cardiac muscle is found in the walls of the heart.

Multiple Choice

Which feature distinguishes smooth muscle from skeletal and cardiac muscle when viewed under a microscope?

• Presence of striations

• Multiple nuclei

• Long thin nuclei and no striations

• Intercalated discs

Multiple Choice

Which of the following is a major location for smooth muscle in the human body?

• Walls of hollow organs

• Skin

• Bones

• Brain

Multiple Select

Select all that are true about tendons.

• Made of collagen

• Attach muscle to bone

• Are found inside muscle fibers

• Are strong and thin

Multiple Choice

Which of the following structures wrap around a fascicle in skeletal muscle?

• Perimysium

• Epimysium

• Endomysium

• Sarcolemma

Open Ended

Describe the differences in cellular characteristics between smooth muscle and skeletal muscle.

Open Ended

What is the role of calcium ions in the process of muscle contraction?

Open Ended

Describe the sequence of events that occur from the stimulation of a muscle fiber by a nerve impulse to the relaxation of the muscle cell.

Open Ended

Reflecting on what you learned about the muscular system, what is one question you still have or one aspect you would like to explore further?