Q. No.The proximal radio-ulnar joint is a:
1. pivot joint
2. gliding joint
3. ball-and-socket joint
4. condyloid joint
1. pivot joint
2. gliding joint
3. ball-and-socket joint
4. condyloid joint
The joint that will exhibit maximum mobility amongst the following would be:
1. between carpal bone
2. radio-ulnar
3. between acetabulum and femur
4. atlanto-axial
The part of the sarcomere that is composed of only myosin myofilaments is:
| 1. | A band | 2. | I band |
| 3. | M line | 4. | H zone |
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Identify the most abundant of the muscle proteins:
1. actin
2. troponin
3. myosin
4. tropomyosin
Identify the one that is not associated with others when a muscle is not contracting:
1. actin
2. myosin
3. troponin
4. tropomyosin
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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 |
The minimum stimulus needed to cause a contraction is called the:
1. chronaxie
2. threshold
3. rheobase
4. reversal potential
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
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