A&p – Chapter 7 – The Muscular System

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A&P – Chapter 7 – The Muscular System

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