Muscle and Joint Quiz

What type of joint allows for rotation around one axis?

• Hinge joint

• Pivot joint

• Ball and socket joint

• Saddle joint

Which type of muscle fiber is known for quick, explosive power but fatigues quickly?

• Type I fibers

• Type IIa fibers

• Type IIb fibers

• Type III fibers

What is the primary function of skeletal muscles?

• To protect internal organs

• To produce movement

• To store minerals

• To generate heat

Which joint type is characterized by bones that are fitted together like a puzzle that sit on top of each other?

• Hinge joint

• Pivot joint

• Saddle joint

• Ball and socket joint

Which type of muscle fiber is best suited for endurance activities?

• Type I fibers

• Type IIa fibers

• Type IIb fibers

• Type III fibers

What is the function of the myosin and actin filaments in muscle cells?

• They store nutrients

• They slide past each other to produce muscle contraction

• They filter blood

• They transmit nerve impulses

Which type of joint allows for movement in multiple axes and planes?

• Hinge joint

• Pivot joint

• Ball and socket joint

• Saddle joint

What is NOT a function of skeletal muscles?

• Producing movement

• Maintaining posture

• Regulating heart rate

• Stabilizing joints

Which type of joint is primarily found at the elbow and knee?

• Hinge joint

• Pivot joint

• Ball and socket joint

• Saddle joint

How do Type IIa muscle fibers differ from Type IIb fibers?

• Type IIa fibers are slower and less powerful

• Type IIa fibers are faster but have less endurance

• Type IIa fibers are faster and have more endurance

• Type IIa fibers are slower and have more endurance