Q. No.The smallest, functional unit of contraction is the:
1.
muscle fiber
2.
sarcomere
3.
myofilament
4.
myofibril
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The joint between adjacent vertebrae in the vertebral column is a:
| 1. Fibrous joint | 2. Cartilaginous joint |
| 3. Gliding synovial joint | 4. Condyloid synovial joint |
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A motor neuron along with all the muscle fibers innervated by it constitute a:
| 1. Fascicle | 2. Motor end plate |
| 3. Motor unit | 4. Myoneural junction |
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The type of joint that will allow least mobility amongst the following would be:
| 1. Fibrous joint | 2. Primary cartilaginous joint |
| 3. Secondary cartilaginous joint | 4. Synovial joint |
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A bone disorder especially seen in post-menopausal women would be:
| 1. | Rheumatoid arthritis | 2. | Rickets |
| 3. | Bone cancer | 4. | Osteoporosis |
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As the distance from Z line to Z line decreases, which bands shorten in a sarcomere?
| 1. | the I band and H band | 2. | the I band and A band |
| 3. | the A band and H band | 4. | all bands shorten |
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The joint between atlas and axis vertebra is classified as:
| 1. | Saddle joint | 2. | Pivot joint |
| 3. | Gliding joint | 4. | Hinge joint |
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All the following regarding red muscle fibers are true except:
1. They are adapted for slow and sustained activity
2. They have a high content of myoglobin
3. They are rich in mitochondria
4. They depend on anaerobic process for energy
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A flat bone present on the ventral midline of thorax is called as:
| 1. | Hyoid | 2. | Clavicle |
| 3. | Sternum | 4. | Vertebral body |
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