A&p – Chapter 7 – The Muscular System

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A&P – Chapter 7 – The Muscular System

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