Anatomy And Physiology Questions - Muscle Tissue

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Anatomy And Physiology Questions - Muscle Tissue
Questions about muscle tissue. Some of the questions are related to the mega case unit "Childhood" (muscle contraction, neuromuscular junction) and some of the questions are related to the "Maturity 1" case unit (differences between cardiac, skeletal and smooth muscles).

  
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1. 
In the diagram, where is the M line?
A.
B.
C.
D.
E.
2. 
In the diagram, where is the epimysium located?
A.
B.
C.
D.
E.
3.  This part of the skeletal muscle cell releases calcium when stimulated by the T tubules.
A.
B.
C.
D.
E.
4. 
In the diagram, what is made from dense irregular connective tissue?
A.
B.
C.
D.
E.
5. 
In the diagram, where is the axon collateral?
A.
B.
C.
D.
E.
6.  This consists of a somatic motor neuron plus all the skeletal muscle fibres it stimulates.
A.
B.
C.
D.
E.
7. 
In the diagram, where would you find stored calcium ions?
A.
B.
C.
D.
E.
8. 
In the diagram, where is thin filament found?
A.
B.
C.
D.
E.
9.  Which of the following exhibits autorhythmicity?
A.
B.
C.
D.
E.
10.  Hyperplasia is
A.
B.
C.
D.
E.
11.  This is a brief contraction of all muscle fibres in a motor unit in response to a single action potential.
A.
B.
C.
D.
E.
12.  In the sliding filament mechanism, the thin filament is being pulled towards the
A.
B.
C.
D.
E.
13.  A sustained contraction is
A.
B.
C.
D.
E.
14.  This is the least powerful type of muscle fibre.
A.
B.
C.
D.
E.
15.  Creatine phosphate and ATP together create enough energy for a muscle to contract for
A.
B.
C.
D.
E.
16. 
In the diagram, which parts make up the neuromuscular junction?
A.
B.
C.
D.
E.
17.  Which of the following contain thick filament?
A.
B.
C.
D.
E.
18.  Which of the following contains thin filaments?
A.
B.
C.
D.
E.
19. 
In the diagram, which parts move to the centre of the sarcomere (closer together) when the fibre contracts?
A.
B.
C.
D.
E.
20.  What is needed for the contraction cycle to continue?
A.
B.
C.
D.
21.  The sequence that muscle action potentials must go through to excite a muscle cell is
A.
B.
C.
D.
E.
22. 
In the diagram, where is thick filament found?
A.
B.
C.
D.
E.
23. 
In the diagram, where is the mitochondrion?
A.
B.
C.
D.
E.
24.  Increasing the number of active motor units is called
A.
B.
C.
D.
E.
25.  How many molecules of acetylcholine need to bind to open the ion channel of the ACh receptor?
A.
B.
C.
D.
E.
26.  This is a band of connective tissue that surrounds muscles.
A.
B.
C.
D.
E.
27.  When connective tissue extends as a broad flat layer, the tendon is referred to as
A.
B.
C.
D.
E.
28. 
In the diagram, where is the zone of overlap?
A.
B.
C.
D.
E.
29. 
In the diagram, where are actin proteins found?
A.
B.
C.
D.
E.
30.  Which of the following functions as a motor protein in all three types of muscle tissue?
A.
B.
C.
D.
E.
31.  Myofibrils contain
A.
B.
C.
D.
E.
32. 
In the diagram, where would you find the largest amount of glycogen?
A.
B.
C.
D.
E.
33.  How do muscles produce ATP?
A.
B.
C.
D.
E.
34.  What are the four steps of the muscle contraction cycle in order?
A.
B.
C.
D.
E.
35.  In an isometric contraction the muscle develops tension but does not
A.
B.
C.
D.
E.
36.  The sarcoplasmic reticulum releases calcium ions into the cytosol
A.
B.
C.
D.
E.
37. 
In the diagram, which are motor proteins?
A.
B.
C.
D.
E.
38.  After the fusion fo myoblasts, the muscle fibre loses its ability to do what?
A.
B.
C.
D.
E.
39.  This results from a muscle action potential propagating along the sarcolemma and into the T tubules.
A.
B.
C.
D.
E.
40.  This is also referred to as the period of lost excitability.
A.
B.
C.
D.
E.
41.  These are the contractile organelles of the muscle fibre.
A.
B.
C.
D.
E.
42. 
In the diagram, what all comes together as one broad sheet of connective tissue to make the tendon?
A.
B.
C.
D.
E.
43. 
In the diagram, where is the I band?
A.
B.
C.
D.
E.
44. 
In the diagram, which is only a structural protein?
A.
B.
C.
D.
E.
45.  How much of the total body weight of an average adult is muscle tissue?
A.
B.
C.
D.
E.
46. 
On the diagram, where is the deep fascia?
A.
B.
C.
D.
E.
47.  How many types of smooth muscle tissues are there?
A.
B.
C.
D.
E.
48. 
In the diagram, where is the A band?
A.
B.
C.
D.
E.
49.  Titin is found in a sarcomere
A.
B.
C.
D.
E.
50. 
In the diagram, where is the muscle fibre located?
A.
B.
C.
D.
E.
51. 
In the diagram, which are regulatory proteins?
A.
B.
C.
D.
E.
52. 
In the diagram, where is the axon terminal?
A.
B.
C.
D.
E.
53.  Smooth muscle tone is due to the prolonged presence of what in the cytosol?
A.
B.
C.
D.
E.
54.  The sarcoplasmic reticulum is used for storing
A.
B.
C.
D.
E.
55.  This is the property of muscle that gives it the ability to stretch without damage.
A.
B.
C.
D.
E.
56. 
In the diagram, where is the thick filament?
A.
B.
C.
D.
E.
57. 
In the diagram, what is the basic functional unit of a myofibril?
A.
B.
C.
D.
E.
58.  The three different types of muscle tissue differ from each other by:
A.
B.
C.
D.
E.
59.  What is NOT a factor that can lead to muscle fatigue?
A.
B.
C.
D.
E.
60.  What regulatory proteins can be found on an actin molecule?
A.
B.
C.
D.
E.
61.  Axon terminal clusters at the ends of neuromuscular junctions are referred to as:
A.
B.
C.
D.
E.
62.  For every nerve that penetrates a skeletal muscle there are generally how many arteries and veins?
A.
B.
C.
D.
E.
63.  The signal to excite a muscle cell must cross the neuromuscular junction by the diffusion of acetylcholine across the
A.
B.
C.
D.
E.
64.  Which of the following is used to reinforce the sarcolemma?
A.
B.
C.
D.
E.
65.  The mitochondria in muscle fibre are arranged
A.
B.
C.
D.
E.
66. 
In the diagram, where is the H zone?
A.
B.
C.
D.
E.
67. 
In the diagram, what structure is filled with mostly interstitial fluid?
A.
B.
C.
D.
E.
68.  Which of the below structures is found in cardiac muscle tissue but not skeletal muscle tissue?
A.
B.
C.
D.
E.
69. 
In the diagram, where is the endomysium?
A.
B.
C.
D.
E.
70.  What energizes the myosin head?
A.
B.
C.
D.
E.
71.  Which of the following is NOT a major function of muscle tissue?
A.
B.
C.
D.
E.
72. 
In the diagram, what is made from dense regular connective tissue?
A.
B.
C.
D.
E.
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