A&p – Chapter 7 – The Muscular System

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A&P – Chapter 7 – The Muscular System

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