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Anatomy And Physiology Questions - Muscle Tissue

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