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