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