A&p – Chapter 7 – The Muscular System

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A&P – Chapter 7 – The Muscular System

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