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- 1. Multiple Choice
Which type of muscle is striated and voluntary?
Skeletal muscleCardiac muscle
Smooth muscle
- 2. Multiple Choice
Which type of muscle is striated and involuntary?
CardiacSmooth
Skeletal
- 3. Multiple Choice
Which type of muscle is non-striated and involuntary?
SmoothCardiac
Skeletal
- 4. Multiple Choice
What are the 4 characteristics of muscle?
Excitability - ability to receive and respond to stimuli
Contractility - ability to shorten forcibly when stimulated
Extensibility - ability to be stretched
Elasticity - ability to recoil to resting length
- 5. Multiple Choice
What are the 4 functions of muscle?
Produce movement
Maintain posture and body position
Stabilize joints
Generate heat
Contractility/Extensibility
- 6. Multiple Choice
Nerve and blood supply are important to muscle for excitability and supplying nutrients for the high metabolic demand.
True
False
- 7. Multiple Choice
An __________ is attached to moveable bone.
insertion
Joint
Contractility
position
- 8. Multiple Choice
An __________ is attached immovable or less moveable bone.
origin
Insertion
Joint
- 9. Multiple Choice
Which connective tissue surrounds the ENTIRE muscle?
Epimysium
Perimysium
endomysium
- 10. Multiple Choice
This connective tissue surrounds each individual fiber.
EndomysiumPerimysium
Epimysium
- 11. Multiple Choice
A muscle fiber is also called a myofilament, it is a muscle cell.
True
False
- 12. Multiple Choice
Striations are formed from repeating series of dark and light bands along the length of each myofibril.
True
False
- 13. Multiple Choice
What is the H zone?
The lighter region in the middle of the dark band
Bisects H zone vertically, made of myomesin, directly in the middle of the sarcomere
- 14. Fill in the Blank
Which are the thin myofilaments that extend across I band and partway in A band, anchored to Z discs, extend toward M line?
- 15. Fill in the Blank
Which are the thick myofilaments that extended length of A band, and connected at M line?
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