Q. No.A motor unit is
1.
all the muscle fibers innervated by all the motor neurons in a muscle.
2.
all the fibers in one fasciculus.
3.
all the muscle fibers innervated by a single motor neuron in a muscle.
4.
all the motor neurons that innervate one muscle fiber in a muscle.
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A type of strength training in which the joint angle and muscle length do not change during contraction is termed as:
1. isometric contraction.
2. isotonic contraction.
3. concentric contraction.
4. eccentric contraction.
With respect to slow twitch [Type I] fibers the fast-twitch [Type II] muscle fibers are:
1. More resistant to fatigue.
2. Supplied by more more blood vessels.
3. Having Larger amount of stored glycogen.
4. Having more mitochondria.
In smooth muscle contraction:
1. Calcium ions bind to troponin C.
2. Myosin has no role.
3. Troponin and tropomyosin are moved.
4. Calcium ions bind to calmodulin, which activates an enzyme.
The joint between skull bones is classified as:
| 1. | cartilaginous | 2. | fibrous |
| 3. | epithelial | 4. | synovial |
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The joint between two pubic bones is called as:
1. syndesmosis
2. gomphosis
3. symphysis
4. synchondrosis
Matecarpophalangeal joint is a:
1. condyloid joint
2. pivot joint
3. saddle joint
4. gliding joint
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An autoimmune disease causingthe formation of a joint pannus is:
1. poliomyelitis
2. rheumatoid arthritis
3. muscular dystrophu
4. gouty arthritis
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