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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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How much of the average adult human body is made up of skeletal muscle |
A. 40-50 |
A. 40-50% B. 10% C. 30% D. 70% |
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In an isotonic muscle contraction: |
D. the muscle tension remains constant |
A. Movement of bones does not occur B. Both muscle tension and length are changed C. The length of the muscle remains constant D. the muscle tension remains constant |
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The innermost layer of connective tissue surrounding a skeletal muscle is: |
C. Endometrium |
A. Hypodermic B. Perimysium C. Endometrium D. Epimysium |
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Which of the following statement is not true of skeletal muscle |
B. Is not striated |
A. Is under voluntary control B. Is not striated C. Can have long muscle fibres D. Is usually attached to the skeleton |
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The energy for muscle contraction is most obtained from |
A. Aerobic respiration |
A. Aerobic respiration B. Phosphocreatine C. Anaerobic respiration D. ATP |
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Extension of a muscle: |
B. Increase the angle |
A. Decreased the angle B. Increase the angle C. Is carried out by a flexor D. (B) & (C) |
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The movable attachment of muscle to bone is referred to as |
D. the insertion |
A. the joint B. the origin C. the rotator D. the insertion |
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Skeletal muscles move the body by |
B. Pulling on the bones of the skeleton |
A. Means of neural stimulation B. Pulling on the bones of the skeleton C. Use in the energy of ATP to form ADP D. activation of enzyme pathways |
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if additional ATP is required which of the following can be used as an alternative energy source? |
D. Myoglobin |
A. Myosin B. Tropic in C. Creatine phosphate D. Myoglobin |
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Relaxing and contracting the masseter muscle would mean that you were |
C. Chewing |
A. Blinking B. Running C. Chewing D.bending downward |
