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Q. No.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
Subtopic: Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments |
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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 |
Subtopic: Synovial Joint |
85%
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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 |
Subtopic: Disorders of Muscular and Skeletal System |
94%
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Subtopic: Axial Skeleton: I | Axial Skeleton: II |
78%
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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 |
Subtopic: Sliding Filament Theory |
89%
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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 |
Subtopic: Synovial Joint |
91%
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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 |
Subtopic: Muscle Contraction: Other Considerations |
84%
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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 |
Subtopic: Axial Skeleton: I | Axial Skeleton: II |
91%
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The central part of the thick filaments not overlapped by the thin filaments is called as:
| 1. | A band | 2. | I band |
| 3. | H zone | 4. | Sarcomere |
Subtopic: Skeletal Muscle: Sarcomere |
88%
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During relaxation of a skeletal muscle:
| 1. | Calcium ions that are bound to troponin C now bind to troponin A |
| 2. | Cross bridge formation between myosin head and actin takes place |
| 3. | The A band of the sarcomere lengthens |
| 4. | Calcium ions are pumped back to the sarcoplasmic cisternae |
Subtopic: Sliding Filament Theory | Energy for Muscle Contraction |
85%
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