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A&p – Chapter 7 – The Muscular System

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