Anatomy And Physiology Questions - Muscle Tissue

72 Questions  I  By Hermine0817
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.  These are the contractile organelles of the muscle fibre.
A.
B.
C.
D.
E.
2.  In an isometric contraction the muscle develops tension but does not
A.
B.
C.
D.
E.
3.  After the fusion fo myoblasts, the muscle fibre loses its ability to do what?
A.
B.
C.
D.
E.
4.  In the diagram, where is the A band?
A.
B.
C.
D.
E.
5.  What is needed for the contraction cycle to continue?
A.
B.
C.
D.
6.  The sequence that muscle action potentials must go through to excite a muscle cell is
A.
B.
C.
D.
E.
7.  A sustained contraction is
A.
B.
C.
D.
E.
8.  Which of the following exhibits autorhythmicity?
A.
B.
C.
D.
E.
9.  What is NOT a factor that can lead to muscle fatigue?
A.
B.
C.
D.
E.
10.  In the diagram, where would you find stored calcium ions?
A.
B.
C.
D.
E.
11.  This is a band of connective tissue that surrounds muscles.
A.
B.
C.
D.
E.
12.  In the diagram, which are motor proteins?
A.
B.
C.
D.
E.
13.  Myofibrils contain
A.
B.
C.
D.
E.
14.  How many types of smooth muscle tissues are there?
A.
B.
C.
D.
E.
15.  In the diagram, where is the endomysium?
A.
B.
C.
D.
E.
16.  In the diagram, where is the thick filament?
A.
B.
C.
D.
E.
17.  What are the four steps of the muscle contraction cycle in order?
A.
B.
C.
D.
E.
18.  The sarcoplasmic reticulum releases calcium ions into the cytosol
A.
B.
C.
D.
E.
19.  How many molecules of acetylcholine need to bind to open the ion channel of the ACh receptor?
A.
B.
C.
D.
E.
20.  The mitochondria in muscle fibre are arranged
A.
B.
C.
D.
E.
21.  Creatine phosphate and ATP together create enough energy for a muscle to contract for
A.
B.
C.
D.
E.
22.  The signal to excite a muscle cell must cross the neuromuscular junction by the diffusion of acetylcholine across the
A.
B.
C.
D.
E.
23.  This is also referred to as the period of lost excitability.
A.
B.
C.
D.
E.
24.  In the diagram, where is the H zone?
A.
B.
C.
D.
E.
25.  In the diagram, where is the axon terminal?
A.
B.
C.
D.
E.
26.  What regulatory proteins can be found on an actin molecule?
A.
B.
C.
D.
E.
27.  In the diagram, which parts make up the neuromuscular junction?
A.
B.
C.
D.
E.
28.  In the diagram, where is the epimysium located?
A.
B.
C.
D.
E.
29.  In the diagram, which parts move to the centre of the sarcomere (closer together) when the fibre contracts?
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.  This part of the skeletal muscle cell releases calcium when stimulated by the T tubules.
A.
B.
C.
D.
E.
32.  Titin is found in a sarcomere
A.
B.
C.
D.
E.
33.  How do muscles produce ATP?
A.
B.
C.
D.
E.
34.  In the diagram, where are actin proteins found?
A.
B.
C.
D.
E.
35.  The three different types of muscle tissue differ from each other by:
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B.
C.
D.
E.
36.  In the diagram, what is the basic functional unit of a myofibril?
A.
B.
C.
D.
E.
37.  In the diagram, where is the axon collateral?
A.
B.
C.
D.
E.
38.  In the diagram, what structure is filled with mostly interstitial fluid?
A.
B.
C.
D.
E.
39.  For every nerve that penetrates a skeletal muscle there are generally how many arteries and veins?
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B.
C.
D.
E.
40.  Which of the following contain thick filament?
A.
B.
C.
D.
E.
41.  On the diagram, where is the deep fascia?
A.
B.
C.
D.
E.
42.  What energizes the myosin head?
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B.
C.
D.
E.
43.  In the diagram, what is made from dense irregular connective tissue?
A.
B.
C.
D.
E.
44.  In the diagram, where is the zone of overlap?
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B.
C.
D.
E.
45.  In the diagram, which is only a structural protein?
A.
B.
C.
D.
E.
46.  In the diagram, which are regulatory proteins?
A.
B.
C.
D.
E.
47.  When connective tissue extends as a broad flat layer, the tendon is referred to as
A.
B.
C.
D.
E.
48.  Increasing the number of active motor units is called
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D.
E.
49.  Smooth muscle tone is due to the prolonged presence of what in the cytosol?
A.
B.
C.
D.
E.
50.  In the diagram, what all comes together as one broad sheet of connective tissue to make the tendon?
A.
B.
C.
D.
E.
51.  Which of the below structures is found in cardiac muscle tissue but not skeletal muscle tissue?
A.
B.
C.
D.
E.
52.  Hyperplasia is
A.
B.
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D.
E.
53.  This is the least powerful type of muscle fibre.
A.
B.
C.
D.
E.
54.  This is the property of muscle that gives it the ability to stretch without damage.
A.
B.
C.
D.
E.
55.  This results from a muscle action potential propagating along the sarcolemma and into the T tubules.
A.
B.
C.
D.
E.
56.  Axon terminal clusters at the ends of neuromuscular junctions are referred to as:
A.
B.
C.
D.
E.
57.  In the diagram, where is thin filament found?
A.
B.
C.
D.
E.
58.  In the diagram, where is the M line?
A.
B.
C.
D.
E.
59.  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.
60.  How much of the total body weight of an average adult is muscle tissue?
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B.
C.
D.
E.
61.  In the diagram, where would you find the largest amount of glycogen?
A.
B.
C.
D.
E.
62.  Which of the following contains thin filaments?
A.
B.
C.
D.
E.
63.  The sarcoplasmic reticulum is used for storing
A.
B.
C.
D.
E.
64.  Which of the following is NOT a major function of muscle tissue?
A.
B.
C.
D.
E.
65.  In the diagram, where is the I band?
A.
B.
C.
D.
E.
66.  In the diagram, what is made from dense regular connective tissue?
A.
B.
C.
D.
E.
67.  This consists of a somatic motor neuron plus all the skeletal muscle fibres it stimulates.
A.
B.
C.
D.
E.
68.  In the sliding filament mechanism, the thin filament is being pulled towards the
A.
B.
C.
D.
E.
69.  In the diagram, where is the muscle fibre located?
A.
B.
C.
D.
E.
70.  In the diagram, where is the mitochondrion?
A.
B.
C.
D.
E.
71.  In the diagram, where is thick filament found?
A.
B.
C.
D.
E.
72.  Which of the following is used to reinforce the sarcolemma?
A.
B.
C.
D.
E.
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