Identify the one that is not associated with others when a muscle is not contracting:
1. actin
2. myosin
3. troponin
4. tropomyosin

Subtopic:  Skeletal Muscle: Myofilaments |
 56%
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Muscles get their energy directly from:
1. glucose
2. ATP
3. creatine phosphate
4. creatinine

Subtopic:  Energy for Muscle Contraction |
 82%
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Muscles store excess glucose as:
1. creatine
2. glycogen
3. amylopectin
4. creatinine

Subtopic:  Energy for Muscle Contraction |
 86%
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Even when the blood supply is inadequate, the muscle is able to sustain contraction due to:

1. the presence of hemoglobin 2. glycogen storage
3. myoglobin 4. citric acid cycle
Subtopic:  Energy for Muscle Contraction |
 51%
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The minimum stimulus needed to cause a contraction is called the:
1. chronaxie
2. threshold
3. rheobase
4. reversal potential

Subtopic:  Excitation Contraction Coupling II |
 84%
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A sustained muscle contraction evoked when the motor nerve that innervates a skeletal muscle emits action potentials at a very high rate is called as:
1. a sustained contraction
2. fatigue
3. tetanic contraction
4. treppe

Subtopic:  Excitation Contraction Coupling I |
 55%
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The continuous and passive partial contraction of the muscles is called as:
1. tetany
2. tonus
3. sustained contraction
4. summation

Subtopic:  Excitation Contraction Coupling II |
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Stimulation by a nerve impulse is always required for the contraction of:
1. multi-unit smooth muscle
2. skeletal muscle
3. visceral smooth muscle
4. cardiac muscle

Subtopic:  Muscle Contraction: Other Considerations |
 76%
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A decrease in the mass of the muscle most commonly experienced when persons suffer temporary disabling circumstances is called as:

1. hypertrophy

2. atrophy

3. dystrophy

4. peristalsis

Subtopic:  Disorders of Muscular and Skeletal System |
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A neuromuscular disorder that causes weakness in the skeletal muscles is:

1. poliomyelitis 2. myasthenia gravis
3. multiple sclerosis​​​​​​ 4. muscular dystrophy
Subtopic:  Disorders of Muscular and Skeletal System |
 68%
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