Have an account?
Skip to Content
Build your own quiz
Suggestions for you
30 questions
Show Answers
See Preview
- 1. Multiple ChoiceWhat kind of muscle do you move on purpose?voluntaryinvoluntarycardiacheart
- 2. Multiple Choice
ABOUT how many muscles are in your body?
exactly 206
approximately 300
over 600
over 1,000
- 3. Multiple Choice
What is an example of a cardiac muscle?
heart
biceps
stomach
gluteus maximus
- 4. Multiple Choice
Which is a voluntary muscle?
skeletal
involuntary
smooth
cardiac
- 5. Multiple Choice
Which BEST describes the relationship between a myofibril and the sarcoplasmic reticulum?
Myofibrils are each surrounded by a tubelike network of sarcoplasmic reticulum
Sarcoplasmic reticulum are each surrounded by a tubelike network of Myofibrils
Myofibrils are each surrounded by cylinder-shaped sarcoplasmic reticulum
A fasicle of myofibrils is each surrounded in sarcoplasmic reticulum
- 6. Multiple Choice
Which BEST describes the relationship between a myofibrils, muscle fibers, and muscles?
Myofibrils are located inside the muscle fiber. Muscles fibers make up muscles.
Myofibrils are located outside the muscle fiber. Muscles fibers make up muscles.
Muscle fibers are located inside myofibrils. Myofibrils make up muscles.
- 7. Multiple Choice
Identify B
Nucleus
Sarcoplasmic Reticulum
Sarcolemma
Mitochondria
Myofibril
- 8. Multiple Choice
Identify C; plasma membrane of the muscle cell
Nucleus
Sarcoplasmic Reticulum
Sarcolemma
Mitochondria
Myofibril
- 9. Multiple Choice
Identify D; provides ATP
Nucleus
Sarcoplasmic Reticulum
Sarcolemma
Mitochondria
Myofibril
- 10. Multiple Choice
Identify E; long filamentous organelle giving a banded appearance to muscle cells
Nucleus
Sarcoplasmic Reticulum
Sarcolemma
Mitochondria
Myofibril
- 11. Multiple Choicea bundle of muscle fibersactinmysoinfasciclesarcomere
- 12. Multiple ChoiceWhat is the structure that stores the Calcium in the muscle cell.SarcoplasmSarcolemmaSarcoplasmic ReticulumMyoglobin
- 13. Multiple ChoiceThin filaments are made up ofactinmyosinheparinguanine
- 14. Multiple ChoiceThick filaments are made out ofmyosinactinheparinguanine
- 15. Multiple ChoiceA neuromuscular junction isThe place where the nervous and muscular system interactWhere a muscle fiber and motor neuron connectBoth of theseNone of these
- 16. Multiple Choice
What is the role of Calcium in muscle contraction?
causes ATP binding to actin
increases the action potential along the sarcolemma
binds to proteins on myosin
triggers the binding of myosin to actin
- 17. Multiple ChoiceWhen a muscle contracts, it _______gets longergets shortergets thinnergrows hair
- 18. Multiple Choice
Which is/are INVOLUNTARY?
skeletal and smooth
cardiac
smooth
smooth and cardiac
- 19. Multiple ChoiceWhich muscle tissue is attached to bones?cardiacsmoothskeletalBoth A and B
- 20. Multiple ChoiceMyofibrils are made up of two types of proteins known as?Actin and MyosinTroponin and TropomyosinMyoglobin and hemoglobinnone of these
- 21. Multiple ChoiceWhat would the predominant muscle fibre type be for this athlete?Slow TwitchFast Twitch AFast Twitch BCombination of Slow and Fast
- 22. Multiple ChoiceWhat are the characteristics of fast twitch muscle fibres?Explosive activities, fatigue slowlyEndurance activities, fatigue slowlyExplosive activities, fatigue quicklyEndurance activities, fatigue quickly
- 23. Multiple ChoiceWhat would the predominant muscle fibre type be for this athlete?Slow TwitchFast Twitch AFast Twitch BCombination of Fast A and Fast B
- 24. Multiple ChoiceA motor unit is made up of _______________.all the muscle fibers within a given musclea motor neuron and the muscle fibers it innervatesall the neurons going into an individual section of the bodya fascicle and a nerve
- 25. Multiple ChoiceMuscle fatigue sets in due to the non-availability ofcalciumATPactin binding sitessodium
- 26. Multiple ChoiceWorld-class sprinters can have up to ____ more of fast twitch muscle fibres in their body20%40%60%80%
- 27. Multiple ChoiceMarathon runners can have up to ____ % or more of slow twitch muscle fibers in their bodies20%40%60%80%
- 28. Multiple Choice
The 'All or Nothing Principle' relates to.....
All motor units in a muscle
All muscle fibers in a motor unit
Each individual muscle fiber.
- 29. Multiple Choice
Which of the following connective tissue surrounds a fascicle?
endomysium
perimysium
epimysium
- 30. Multiple Choice
Which of the following connective tissue surrounds a muscle?
endomysium
perimysium
epimysium
- Answer choicesTagsAnswer choicesTags