Same Thing Flashcards
1
Q
- What chemical helps to regenerate ATP?
A
2
Q
Skeletal muscles are responsible for moving
A
3
Q
- Muscles fibers are made of individual fibers (not filaments) called
A
4
Q
- Connective tissue that surrounds fascicles is
A
5
Q
- Poisons such as botulism that prevent the release of acetylcholine would cause muscles to
A
6
Q
- What type of muscles are: primarily voluntary
A
7
Q
found in the heart
A
8
Q
found in the digestive tract
A
9
Q
- What neurotransmitter is associated with the muscles:
A
10
Q
- What cell organelle provides the ATP needed for muscle activity?
A
11
Q
- The gap between the nerve and the muscle is called the
A
12
Q
- What is hypertrophy?
A
13
Q
Atrophy?
A
14
Q
- A person who has a disease that inhibits the production of cholinesterase would have what kind
A
15
Q
of symptoms?
A
16
Q
- Cholinesterase is an enzyme that breaks down
A
17
Q
- During a muscle contraction
A
cross-bridges form between what two structures?
18
Q
- In a sarcomere
A
the I band is made of
19
Q
and the A band is made of
A
20
Q
- The dark and light fibers of the muscles give cells a _
A
21
Q
- The energy source for muscle contraction is
A
22
Q
- Vesicles in the motor neuron store what substance?
A
23
Q
- When recruitment occurs
A
the number of motor units being activated [decrease / increase ]
24
Q
- Sustained contraction of individual fibers
A
even when muscle is at rest is known as
25
20. The immovable ends of the muscle is the
26
The moveable end of the muscle is the _
27
21. Muscle fatigue is likely due to a buildup of
28
22. A sarcomere is defined as the region between two
29
23. The condition where a body becomes stiff after death is called
30
24. When ATP has been used
it becomes
31
25. What is a motor unit?
32
26. Myofibrils are composed of
33
27. The muscle fiber membrane is specialized to form a _
34
neuromuscular junction.
35
28. Which type of connective tissue surrounds fascicles (bundles)?
36
What type of tissues surrounds the entire muscle?
37
29. The substance that crosses the gap between a neuron and a muscle fiber is the
38
30. Tendons connect
39
31. Bundles of muscle fibers are called
40
32. The minimum amount of stimulus required for a muscle contraction to occur is the at the
41
33. What model explains how muscles contract?
42
Place the following in the correct order
43
Actin and myosin form links
44
Acetylcholine crosses the gap at the neuromuscular junction
45
Calcium is released into the sarcoplasm
46
Myosin cross-bridges pull actin filaments inward.
47
34. The A bands are [ light / dark ] whereas the | bands are [ light / dark ]
48
35. The muscle fiber membrane is called the
49
The transport network of the muscle is called the
50
36. You should be able to label the components of a muscle
a sarcomere
51
junction.
