Anatomy and Histology Quiz ch 11

What are body organs made of?

• Muscular tissue

• Epithelial tissue

• Nervous tissue

• Connective tissue

Which type of muscle is striated and voluntary?

• Skeletal muscle

• Cardiac muscle

• Involuntary muscle

• Smooth muscle

What is the function of skeletal muscle?

• Heat production

• Digestion support

• Blood circulation

• Breathing support

How many skeletal muscles does the human body contain approximately?

• 100

• 400

• 200

• 300

What covers the entire muscle, bundles of muscle fibers, and individual muscle fibers?

• Nervous tissue

• Adipose tissue

• Epithelial tissue

• Connective tissue

What is the shape of skeletal muscle fibers?

• Cuboidal

• Irregular

• Cylindrical

• Spherical

Where are the nuclei located in skeletal muscle fibers?

• Randomly

• Peripherally

• At the end

• In the center

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

• Calcium storage

• Waste removal

• Energy storage

• Protein synthesis

Which filaments are involved in muscle contraction?

• Actin and Myosin

• Troponin and Tropomyosin

• Myoglobin and Myofibrils

• Sarcoplasm and Sarcolemma

What is the role of the Z-line in muscle fibers?

• Cell division

• Muscle contraction

• Energy production

• Structural support