Muscular System Quiz

What is the anatomical term for the movement that decreases a joint's angle?

• Extension

• Flexion

• Abduction

• Supination

Which type of muscle tissue is responsible for converting chemical energy in ATP into mechanical energy of motion?

• Cardiac

• Smooth

• Skeletal

• Myocardial

What is the role of sphincters in the muscular system?

• Stabilize joints

• Control the movement of body parts

• Regulate blood glucose levels

• Control the movement of food, bile, blood, and other materials

Which connective tissue surrounds each muscle fiber and allows room for capillaries and nerve fibers?

• Perimysium

• Epimysium

• Endomysium

• Fascia

What is the function of fascia in the muscular system?

• Surrounds each muscle fiber

• Separates neighboring muscles or muscle groups

• Surrounds the entire muscle

• Wraps bundles of muscle fibers

What type of muscle attachment involves tendons bridging the gap between muscle ends and bony attachment?

• Direct attachment

• Indirect attachment

• Fleshy attachment

• Collagen attachment

What is the role of a prime mover (agonist) in muscle action?

• Stabilizes the nearby joint

• Produces most of the force during a joint action

• Opposes the prime mover

• Prevents movement of bone

Which muscle acts as a synergist to aid the prime mover?

• Triceps brachii

• Rhomboids

• Biceps brachii

• Brachialis

What is the function of a fixator muscle?

• Produces most of the force during a joint action

• Opposes the prime mover

• Holds a bone firmly in place

• Modifies the direction of movement

How much blood does the muscular system receive per minute at rest?

• 0.5 L

• 1.24 L

• 2.5 L

• 3.0 L