Have an account?
Skip to Content
Build your own quiz
Suggestions for you
25 questions
Show Answers
See Preview
- 1. Multiple Choice
Which of the following is not a function of bones and endoskeleton?
acting as levers
providing structural support
providing force for movement
anchoring muscles
- 2. Multiple Choice
Which types of movement are permitted by the elbow joint?
flexion and extension
abduction and adduction
rotation
all the above
- 3. Multiple Choice
Which letter represents the triceps muscle?
A
B
G
H
- 4. Multiple Choice
Which is not a function of cartilage?
absorbing mechanical shocks
reducing friction between bones
connecting bones to muscles
allowing smooth movement between bones
- 5. Multiple Choice
What is the function of synovial fluid?
protecting the ends of bones
providing force for movement
creating hydrostatic pressure
lubricating joints
- 6. Multiple Choice
Which of the following does not apply to skeletal muscle tissue?
muscle fibers contain intercalated discs
myofibrils have repeated units called sarcomeres
muscle fibres contain many contractile elements called myofibrils
a muscle fibre is multinucleated
- 7. Multiple Choice
Which number represents myosin filament?
1
5
3
4
- 8. Multiple Choice
The length of a sarcomere is represented by
1
2
5
6
- 9. Multiple Choice
When a muscle contracts
both actin and myosin become shorter in length
myosin heads pull the actin towards the M line
actin heads pull myosin towards H line
the sarcomere length increases
- 10. Multiple Choice
What type of muscle tissue is this?
cardiac
smooth
skeletal
all the above
- 11. Multiple Choice
What type of muscle tissue is this?
cardiac
smooth
skeletal
all the above
- 12. Multiple Choice
Name the type of muscle tissue?
cardiac
Cardy B
smooth
skeletal
- 13. Multiple Choice
Name the structure labeled #5 in diagram.
endomysium
epimysium
perimysium
myofibril
- 14. Multiple Choice
Thick filaments are in a myofibril are
ATPase
Sarcoplasmic reticulum
Actin
Myosin
- 15. Multiple Choice
Calcium:
causes ATP binding to actin
increases the action potential along the sarcolemma
binds to proteins on myosin
triggers the binding of myosin to actin
- 16. Multiple Choice
What is a crossbridge?
Where myosin binds to actin
Where the calcium crosses into the cytoplasm
Where calcium binds with troponin
None of the answers are correct.
- 17. Multiple Choice
What is the structure that stores the Calcium in the muscle cell.
Sarcoplasm
Sarcolemma
Myoglobin
Sarcoplasmic Reticulum
- 18. Multiple Choice
Which filament slides inward during muscle contraction
Actin
Myosin
- 19. Multiple ChoiceThe plasma membrane of a skeletal muscle cell is called the:sarcomeremyofilamentsarcolemmasarcoplasm
- 20. Multiple ChoiceThe Ions that are responsible for removing Troponin from Tropomyosin.SodiumCalciumPotassiumMagnesium
- 21. Multiple Choice
Calcium binds to ___of the troponin-tropomyosin complex.
troponin
tropomyosin
actin
myosin
- 22. Multiple Choice
___provides energy for muscle contraction and relaxation.
cAMP
ADP
ATP
M line
- 23. Multiple Choice
When ATP binds to the myosin head the myosin head then _____________.
completes a power stroke
attaches to actin
rotates
detaches from actin
- 24. Multiple Choice
Looking at the figure which one is a fully contracted muscle?
A
B
C
All are contracted
- 25. Multiple Choice
What causes the muscle to stop contracting?
Lack of effort
Myosin-Heads fail to attach
Calcium Ions are pumped away
Muscle fibre tears
- Answer choicesTagsAnswer choicesTags