Muscular System

The Term atrophy means

• enlargement

• without pain

• sensation

• shrinking

Which muscle is located on the head

• gluteus maximus

• external oblique

• buccinator

• diaphram

Joe flexes his bicep. What characteristic of the muscle is being demonstrated?

• Contractibility

• Elasticity

• Excitability

• Extensibility

Which muscle covers the lateral surface of the mandible and is responsible for closing the jaw?

• Zygomaticus major

• orbicularis oris

• Masseter

• Frontalis

This circular muscle are found in areas of the body where the passage of substances must be controlled. What is this type of muscle?

• cardiac

• skeletal

• smooth

• sphincter

Muscles should always be slightly contracted and ready to pull in order to function properly. This is known as:

• muscle tone

• muscle fatigue

• muscle atrophy

• Muscle elasticity

The term "myo" means

Which large muscle is located on the back and is inferior to the trapezius?

• sternocleidomastoid

• gluteus maximus

• external oblique

• Latissimus dorsi

Which muscle group is responsible for movement of the ribs in order to assist with respiration?

• pectorals

• quadriceps

• external intercostals

• external obliques