A muscle cell is called as a:

1. sarcomere 2. fiber
3. myofibril 4. myofilament

Subtopic:  Skeletal Muscle: Basic Anatomy |
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The Z line is present in:

1. A band 2. H zone
3. I band 4. M line
Subtopic:  Skeletal Muscle: Sarcomere |
 81%
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The joint between skull bones is classified as:

1. cartilaginous 2. fibrous
3. epithelial 4. synovial
Subtopic:  Fibrous & Catilaginous Joints |
 86%
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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
Subtopic:  Skeletal Muscle: Sarcomere |
 60%
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A neuromuscular disorder that causes weakness in the skeletal muscles is:

1. poliomyelitis 2. myasthenia gravis
3. multiple sclerosis​​​​​​ 4. muscular dystrophy
Subtopic:  Disorders of Muscular and Skeletal System |
 67%
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What happens during the contraction of a skeletal muscle fiber?

1. The myosin filaments stay the same size but the actin filaments shorten
2. The sarcomeres shorten
3. The actin filaments stay the same size but the myosin filaments shorten
4. Both actin and myosin filaments shorten
Subtopic:  Excitation Contraction Coupling I |
 67%
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What is number of bones in a human adult?

1. 150 2. 300
3. 250 4. 206
Subtopic:  Axial Skeleton |
 95%
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Cross bridge formation during muscle contraction involves:

1. troponin and actin 2. tropomyosin and myosin
3. myosin and troponin 4. myosin and actin
Subtopic:  Sliding Filament Theory |
 71%
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Classification of joints is done on the basis of:

I: the connective tissue that binds the bones together
II: the degree of motion at each joint
III: the number of bones that articulate with each other
IV: the embryonic tissue that formed the joint
 
1. I, II and III 2. II and III
3. I, II, III and IV 4. I and II
Subtopic:  Fibrous & Catilaginous Joints |
 52%

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The fibrous joint between skull bones is called as:

1. gomphoses 2. syndesmoses​​​​​
3. symphysis 4. sutures
Subtopic:  Fibrous & Catilaginous Joints |
 86%
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