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