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