Muscular System Quiz

Which characteristic of muscle tissue allows it to respond to a stimulus?

• Contractility

• Extensibility

• Excitability

• Elasticity

Which type of muscle tissue is multinucleated and voluntarily controlled?

• Cardiac

• Smooth

• Skeletal

• Nervous

What are the two types of myofilaments responsible for contracting activity?

• Actin and myosin

• Collagen and elastin

• Keratin and fibrin

• Myoglobin and hemoglobin

What characteristic allows muscle tissue to stretch beyond its original shape?

• Excitability

• Contractility

• Extensibility

• Elasticity

What is the ability of muscle tissue to recoil or bounce back to its original shape?

• Excitability

• Contractility

• Extensibility

• Elasticity

What process repeats until the muscle contracts completely?

• Cross-bridge cycling

• Sliding filament theory

• Power stroke

• Muscle relaxation

What are the extensions on myosin filaments called?

• Tails

• Heads

• Arms

• Legs

What happens during the detachment phase of the contraction cycle?

• Myosin head attaches

• Myosin head detaches

• Calcium binds to troponin

• ATP splits

What is required to move the myosin heads?

• Calcium

• ATP

• ADP

• Glucose

Tags

NGSS.HS-LS1-7

What is the final result of the sliding filament theory?

• Muscle relaxation

• Muscle contraction

• Muscle elongation

• Muscle fatigue