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00:00
1.
肌肉生理學 Muscle Physiology Q&A 2021
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01:56
2.
Each fascicle of a muscle is surrounded by the
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03:33
3.
The ability of muscle to receive and respond to stimuli is called
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04:15
4.
The majority of body heat is mainly generated by
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04:50
5.
Which is involuntary striated muscle?
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05:39
6.
Which muscle does white muscle belong to?
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06:16
7.
What is it called that it connects muscle and bone that moves?
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07:25
8.
Skeletal muscles are an organ.
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07:53
9.
Muscle fiber is muscle cell.
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08:14
10.
The functional unit of striated muscle is called?
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08:53
11.
Which description about T tubule in skeletal muscle is NOT correct?
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10:00
12.
Which is also called crossbridge?
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11:09
13.
Thick filaments connect to Z-line.
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11:57
14.
Which does not belong to thin filament?
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13:05
15.
Which is not the component of troponin?
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13:49
16.
The length of thick filament is equal to
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15:10
17.
Which protein connects thick filament to Z line?
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15:48
18.
If we did cross-section of skeletal muscles, which area can be seen both thick and thin filaments
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16:35
19.
Where is muscle spindle located?
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17:21
20.
Which statement of muscle spindle is correct?
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18:08
21.
Extrafusal skeletal muscle is innervated by
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19:14
22.
In order to maintain the sensitivity of muscle spindle during muscle contraction, which motor neuron needs to activate?
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20:23
23.
Which repairs the damaged skeletal muscle?
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21:29
24.
In terms of sliding filaments, which of the following statements is incorrect?
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22:33
25.
During contraction, the muscle shortens by 10%. What is the length of the reduced H zone?
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25:47
26.
Which of the following statements regarding the action of curare at the neuromuscular junction is false?
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26:49
27.
The neuromuscular junction is NOT composed of
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27:46
28.
Why injection of Botulinum toxin (肉毒桿菌素) can reduce facial wrinkles?
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28:21
29.
What is the purpose of converting electrical signal to chemical signal?
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28:46
30.
The post-junctional membrane receptors of the motor endplate are
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29:23
31.
The effect of nerve stimulation on skeletal muscle is only excitation.
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30:10
32.
The effect of nerve stimulation on smooth muscle is only excitation.
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30:41
33.
How to prolong the function of acetylcholine at neuromuscular junction?
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31:17
34.
Which of the following statements regarding myasthenia gravis is true?
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32:02
35.
Which statement is NOT correct during excitation contraction coupling?
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33:42
36.
What activates the myosin head to begin cross-bridging?
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34:31
37.
Which is characterized by continued attachment of myosin heads to actin filaments due to a lack of ATP?
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35:38
38.
Each somatic motor neuron with all the extrafusal muscle fibers it innervates is called
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36:34
39.
Which is NOT the function of ATP in skeletal-muscle contraction?
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37:18
40.
We exert different levels of muscle force.
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37:33
41.
All-or-none law is applied for muscle fibers.
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38:03
42.
Voluntary muscles can also produce involuntary movement.
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38:24
43.
The stretch reflex is enhanced in response to activation of
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39:36
44.
During an isometric contraction of a skeletal muscle, which statement is NOT correct?
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41:24
45.
Which of the following statements is incorrect?
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42:38
46.
Which statement is true?
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43:29
47.
What is the correct description of skeletal muscle in concentric isotonic contraction?
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44:28
48.
According to size principle, which of the following statements is true?
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45:13
49.
Which of the following statements is true?
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46:06
50.
The response of skeletal m. is always excitatory. How to inhibit the response of skeletal muscle?
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46:45
51.
Which is a correct comparison of type I (slow-oxidative) vs type IIb (fast-glycolytic) skeletal-muscle fibers?
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47:32
52.
Which description is true regarding fast oxidative (Type IIA) muscle fibers?
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48:33
53.
In terms of energy sources for muscle contractions, which of the following is NOT a correct statement?
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49:56
54.
Which filaments are attached to dense bodies in smooth muscle cells?
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50:41
55.
In smooth muscle cells, which protein functions in a manner analogous to troponin.
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51:15
56.
Smooth muscle cells ...
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51:54
57.
Calcium that is needed to activate cross-bridging in smooth muscle mainly comes from
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52:29
58.
What condition of smooth muscle allows it to maintain contraction for long periods of time?
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53:00
59.
In terms of single-unit smooth muscle, which statement is NOT correct?
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54:08
60.
If a drug has a negative bathmotropic effect on heart, which means this drug can decrease heart’s
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54:40
61.
If a drug has a positive chronotropic effect on heart, which means this drug can increase heart’s