Muscular System

Which of the following is NOT a function of the muscular system?

• storage of calcium

• produces heat and energy

• maintains posture

• movement

• protection of internal organs

Which term below means "the ability to respond to a stimulus?"

• depressibility

• contractability

• excitability

• extensibility

Which type of muscle is also called visceral muscle?

• skeletal

• cardiac

• smooth

• integumentary

Choose the four options below that describe the characteristics of the muscular system.

• contractibility

• excitability

• compressibility

• extensibility

• elasticity

Muscles attach to bone by tendons and fascia. Tendons are strong connective tissue that attach muscle to bone. What is fascia?

• muscle

• sheet-like tissue that covers and protects muscle

• nails and hair

• skin

Where is the gastrocnemius?

• front of the upper arm area

• back of the lower leg area (calf)

• back of the upper arm area

• upper chest area

What is plantar flexion?

• pointing the toes downward

• turning the head left and right

• moving the arms away from the body

• toes pointing up towards the knee

What body movement does the gastrocnemius perform?

• plantar flexion

• dorsiflexion

• flexion

• extension

Where is the pectoralis major?

• buttocks area

• upper chest area

• upper back and neck area

• front of the thigh

Which term is defined as "the ability to contract?"

• extensibility

• contractibility

• elasticity

• excitability