Same Thing

Question 1

1. What chemical helps to regenerate ATP?

Question 2

Skeletal muscles are responsible for moving

Question 3

3. Muscles fibers are made of individual fibers (not filaments) called

Question 4

4. Connective tissue that surrounds fascicles is

Question 5

5. Poisons such as botulism that prevent the release of acetylcholine would cause muscles to

Question 6

6. What type of muscles are: primarily voluntary

Question 7

found in the heart

Question 8

found in the digestive tract

Question 9

7. What neurotransmitter is associated with the muscles:

Question 10

8. What cell organelle provides the ATP needed for muscle activity?

Question 11

9. The gap between the nerve and the muscle is called the

Question 12

10. What is hypertrophy?

Question 13

Atrophy?

Question 14

11. A person who has a disease that inhibits the production of cholinesterase would have what kind

Question 15

of symptoms?

Question 16

12. Cholinesterase is an enzyme that breaks down

Question 17

13. During a muscle contraction

Answer 17

cross-bridges form between what two structures?

Question 18

14. In a sarcomere

Answer 18

the I band is made of

Question 19

and the A band is made of

Question 20

15. The dark and light fibers of the muscles give cells a _

Question 21

16. The energy source for muscle contraction is

Question 22

17. Vesicles in the motor neuron store what substance?

Question 23

18. When recruitment occurs

Answer 23

the number of motor units being activated [decrease / increase ]

Question 24

19. Sustained contraction of individual fibers

Answer 24

even when muscle is at rest is known as

Question 25

20. The immovable ends of the muscle is the

Question 26

The moveable end of the muscle is the _

Question 27

21. Muscle fatigue is likely due to a buildup of

Question 28

22. A sarcomere is defined as the region between two

Question 29

23. The condition where a body becomes stiff after death is called

Question 30

24. When ATP has been used

Answer 30

it becomes

Question 31

25. What is a motor unit?

Question 32

26. Myofibrils are composed of

Question 33

27. The muscle fiber membrane is specialized to form a _

Question 34

neuromuscular junction.

Question 35

28. Which type of connective tissue surrounds fascicles (bundles)?

Question 36

What type of tissues surrounds the entire muscle?

Question 37

29. The substance that crosses the gap between a neuron and a muscle fiber is the

Question 38

30. Tendons connect

Question 39

31. Bundles of muscle fibers are called

Question 40

32. The minimum amount of stimulus required for a muscle contraction to occur is the at the

Question 41

33. What model explains how muscles contract?

Question 42

Place the following in the correct order

Question 43

Actin and myosin form links

Question 44

Acetylcholine crosses the gap at the neuromuscular junction

Question 45

Calcium is released into the sarcoplasm

Question 46

Myosin cross-bridges pull actin filaments inward.

Question 47

34. The A bands are [ light / dark ] whereas the | bands are [ light / dark ]

Question 48

35. The muscle fiber membrane is called the

Question 49

The transport network of the muscle is called the

Question 50

36. You should be able to label the components of a muscle

Answer 50

a sarcomere

Question 51

junction.