Microscopic Muscle A&P Quiz

The functions of the muscular system include:

produces movement,

_______________,

stabilizes joints, and

________________

• protection of internal organs

• maintains posture

• blood cell formation

• generates heat

Which of the following are characteristics shared by all muscle tissue? (choose all that apply)

• ability to contract

• ability to transport oxygen

• ability to lengthen or stretch

• ability to respond to a stimulus

• ability to filter substances

Which type of muscle tissue is shown in the image?

• cardiac muscle

• smooth muscle

• skeletal mucle

• blood, not a muscle

Which muscle is voluntarily controled?

• smooth

• skeletal

• cardiac

Which muscle(s) are striated?

• smooth

• skelelal

• cardiac

Which muscle(s) have only one nucleus?

• smooth

• skeletal

• cardiac

Which muscle(s) can contract quickly when needed?

• smooth

• skeletal

• cardaic

Which structure is the largest?

• myofibril

• fascicle

• muscle fiber

• muscle

• myofilament

Which structure is the smallest?

• myofibril

• fascicle

• muscle fiber

• muscle

• myofilament

Which structure is the in the middle when these are placed in order from largest to smallest?

• myofibril

• fascicle

• muscle fiber

• muscle

• myofilament