A&p – Chapter 7 – The Muscular System

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A&P – Chapter 7 – The Muscular System

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