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 |
 68%
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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 |
 93%
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The total number of floating ribs in human skeleton is:

1. 2 2. 4
3. 6 4. 14
Subtopic:  Axial Skeleton: I | Axial Skeleton: II |
 77%
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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 |
 90%
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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 |
 87%
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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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