Anatomy of Muscles and Bones Quiz

Which type of muscle is under voluntary control in the human body?

• Cardiac muscle

• Skeletal muscle

• Smooth muscle

• Visceral muscle

What is the primary mineral found in bone that gives it strength?

• Sodium chloride

• Calcium phosphate

• Potassium iodide

• Magnesium sulfate

Tags

NGSS.MS-PS1-1

Which structure connects muscle to bone?

• Ligament

• Tendon

• Cartilage

• Fascia

What is the basic contractile unit of a skeletal muscle fiber?

• Sarcomere

• Actin

• Fascicle

• Epimysium

Which type of joint allows for the greatest range of movement?

• Hinge joint

• Ball-and-socket joint

• Pivot joint

• Saddle joint

Which disorder is characterized by the loss of bone density and increased risk of fractures?

• Osteoarthritis

• Osteoporosis

• Scoliosis

• Muscular dystrophy

Match the following muscle types with their primary function: 1. Cardiac muscle 2. Smooth muscle 3. Skeletal muscle a. Movement of bones b. Pumping blood c. Movement of internal organs Which is the correct matching?

• 1-b, 2-c, 3-a

• 1-c, 2-b, 3-a

• 1-a, 2-b, 3-c

• 1-b, 2-a, 3-c

If a person is unable to flex their elbow, which type of joint is most likely affected?

• Ball-and-socket joint

• Hinge joint

• Pivot joint

• Gliding joint

Which process best describes how a muscle contracts at the cellular level?

• Myosin heads bind to actin, pulling the actin filaments inward

• Actin filaments break down, causing contraction

• Calcium ions are released, causing the muscle to relax

• ATP is produced in the mitochondria, causing the muscle to lengthen

A patient presents with joint pain, swelling, and reduced mobility. Which of the following is the most likely diagnosis?

• Osteoporosis

• Osteoarthritis

• Muscular dystrophy

• Rickets