One of the characteristics of muscles is extensibility. This allows muscles to:

• React to an impulse
• Contract
• Stretch
• Consume oxygen

Which of the following is one of the properties of muscles?

• Excitability
• Portability
• Stability
• Feasability

The walls of the heart are made of:

• Cardiac muscle
• Coronary muscle
• Striated muscle
• Voluntary muscle

Where would you find a voluntary muscle?

• In blood vessel walls
• Attached to the femur
• Inside the heart
• Lining the stomach

After you swallow food, what kind of muscle moves the food toward your stomach?

• Cardiac
• Skeletal
• Voluntary
• Smooth

The tough, sheetlike membrane that covers and protects muscle is:

• Fascia
• A ligament
• A tendon
• Periostum

What muscle movement occurs when you move your hand from an open palm to a fist?

• Adduction
• Abduction
• Flexion
• Extension

When a muscle attaches to a bone, the end that does not move is the:

• Tendon
• Root
• Origin
• Insertion

Of the following, what muscle is superior to the other three?

• Intercostals
• Gastrocnemius
• Sternocleidomastoid
• Trapezius

Of the following, what muscle would do the most work if you ran five miles?

• Sternocleidomastoid
• Quadriceps femoris
• Biceps
• Pectoralis major