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A&p – Chapter 7 – The Muscular System

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A&P – Chapter 7 – The Muscular System

  
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1.  A movement that makes the angle between two bones at their joint smaller than it was at the beginning of the movement.Pg 172
A.
B.
C.
D.
2.  Quadriceps group-Pg 166(Select all that apply)
A.
B.
C.
D.
E.
3.  When muscles contract simultaneously, the other muscles that relax are called ____.Pg 159
A.
B.
C.
4.  Chemicals called _____ are released by the motor neuron in response to a nervous impulse.Pg 161
A.
B.
C.
5.  In order to create movement, muscle fibers usually _______.Pg 183
A.
B.
6.  Muscle fibers are said to respond ______.Pg 162
A.
B.
C.
7.  Hamstring group-Pg 167(select all that apply)
A.
B.
C.
D.
E.
8.  If muscle fibers are stimulated repeatedly without adequate periods of rest, the strength of the muscle contraction decreases, resulting in _____.Pg 160
9.  Function: Closes jawPg 168
A.
B.
C.
10.  Skeletal muscle is also referred to as-(Check all that apply)pg 156
A.
B.
C.
D.
E.
11.  Function: Raises eyebrowspg 168
A.
B.
C.
12.  Have a smooth appearance when viewed under the microscope.Pg 156
A.
B.
C.
13.  Aerobic training also causes an increase in the number of ______ in muscle fibers. This allows production of more ATP as a rapid energy source.Pg 165
14.  Attachment of muscle to bone that doesn't move when contraction occurs.Pg G-23
A.
B.
15.  Muscle hypertrophy can be enhanced by-Pg 164
A.
B.
16.  The ____ of muscle fibers produces most of the heat required to maintain body temperature.Pg 160
17.  The other muscles that helps in producing the movement are called ___.Pg 159
A.
B.
C.
18.  The term _____ describes the continued increased metabolism that must occur in a cell to remove excess lactic acid that accumulates during prolonged exercise.Pg 160
19.  Exercise may cause an increase in muscle size called ___.Pg 164
20.  Adductor Group-Pg 166(Select all that apply)
A.
B.
C.
D.
E.
21.  Unique dark bands called _______ where the plasma membranes of adjacent cardiac fibers come in contact with each other.Pg 156
22.  What is the smallest functional unit of muscle?Pg 157-159
23.  In most cases produces movement of a joint.pg 162
A.
B.
24.  Have unique dark bands called intercalated disks where the plasma membranes of adjacent _____ fibers come in contact with each other.Pg 156
A.
B.
C.
25.  Formation of ____ results in a rapid consumption of oxygen & nutrients.Pg 160
A.
B.
26.  Tension during muscle lengthening is often called ___ ___.Page 159
27.  When maintain body posture because of continuous, low-strenght muscle contractions called ______ contractions.Pg 160
28.  A more sustained and steady response than a twitch.Pg 162
A.
B.
C.
29.  Functions of skeletal muscles-Pg 159(Select all that apply)
A.
B.
C.
D.
30.  The shutting off of impulses to certain skeletal muscles results in ______.Pg 160
31.  Moving a part away from the midline of the body.Pg 173
A.
B.
C.
D.
32.  Of all the muscles contracting simultaneously, the one that is manily responsible for producing a particular movment is called the _______________.Pg 159
A.
B.
C.
33.  Muscular movement occurs when chemical enery from nutrient molecules are transferred to protein filaments in each muscle fiber and then converted to mechanical energy that attempts to contract the muscle.Pg 155
A.
B.
34.  Thick myofilaments are made from a protein called-Pg 157
A.
B.
35.  Smooth muscle is also referred to as-(Check all that apply)Pg 156
A.
B.
C.
D.
E.
36.  Muscle fibers are stimulated by a nerve fiber called a __________.Pg 161
A.
B.
37.  Isotonic-Pg 164-165(Choose all that apply)
A.
B.
C.
D.
38.  A single motor neuron, with the muscle fibers it innervates is called a ________/Pg 161
39.  Fibers are cylindrical, branch frequently, and then recombine into a continuous mass of interconnected tissue.Pg 156
A.
B.
C.
40.  In a type of isotonic contraction called ____, the insertion end moves towards the point of origin.Pg 162
A.
B.
41.  Is a moment around a longitudinal axis.Pg 173
A.
B.
C.
D.
42.  During prolonged inactivity, muscles usually shrink in mass, a condition called ____.Pg 164
43.  A contraction that does not always produce movement. Sometimes it increases the tension within a muscle but does not shorten it.Pg 162
A.
B.
44.  Any increase above normal temperature is called-Pg 160
A.
B.
45.  Tendon ______ enclose some tendons.Pg 157
46.  The neuromuscular junction is where ________ meets.Pg 161
A.
B.
C.
47.  Each fine thread is a muscle is called a muscle cell or a muscle _____.Pg 156
48.  Muscles are named by-(Select all that apply)Pg 183
A.
B.
C.
D.
E.
49.  Thin myofilaments are made from a protein called-Pg 157
A.
B.
50.  Any decrease below normal temperature is called-Pg 160
A.
B.
51.  Prefixes that refer to muscle-(Select all that apply)Pg 155
A.
B.
C.
D.
E.
52.  Attachment of muscle to bone that moves when contractions occur.Pg G-17
A.
B.
53.  The minimal level of stimulation required to cause a fiber to contract is called the ____ stimulus. Pg 162
54.  Made of dense, fibrous connective tissues in the shape of heavy cords.Pg 157
55.  Most ___muscles attach to two bones that have a movable joint between them.Pg 157
56.  A type of isotonic contraction wherea muscle produces tension as it lengthens and thus insertion moves away from the origin.Pg 162
A.
B.
57.  Isometric-Pg 164(Choose all that apply)
A.
B.
C.
D.
58.  Thick & thin myofilaments are formed by proteins called-Pg 157
A.
B.
C.
59.  ______ anchor muscles firmly to bones.Pg 157
60.  What is required for contraction in the sliding filament model?Pg 158(Select all that apply)
A.
B.
C.
D.
E.
61.  An organ composed mainly of striated muscle fibers & connective tissue.Pg 157
A.
B.
C.
62.  A quick, jerky response to stimulus.Pg 162
A.
B.
C.
D.
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