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