Identify the correct statement:
1. Tropomyosin is found in two forms – monomeric G and polymeric F.
2. The head of the myosin molecule binds to an active site on G actin.
3. ATPase is present in troponin A.
4. Actin molecules do not move during muscle contraction.
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The Z line is present in:
1. | A band | 2. | H zone |
3. | I band | 4. | M line |
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What is number of bones in a human adult?
1. | 150 | 2. | 300 |
3. | 250 | 4. | 206 |
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The first carpometacarpal joint at the base of the thumb is a:
1. | ellipsoidal joint | 2. | pivot joint |
3. | saddle joint | 4. | gliding joint |
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Pain and inflammation that occur when too much uric acid crystallizes and deposits in the joints are known as:
1. | gout | 2. | osteoarthritis |
3. | osteoporosis | 4. | rheumatoid arthritis |
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Myosin myofilaments are
1. made up of thick and thin myofilaments.
2. found only in the H zone.
3. not seen in the H zone.
4. attached to filaments that form the M line.
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There are 8 and 7 bones respectively in:
1. | tarsal [ankle] and carpal [wrist] |
2. | carpal[wrist] and tarsal[ankle] |
3. | neurocranium and facial skeleton |
4. | facial skeleton and neurocranium |
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Almost all mammals have seven
1. | cervical vertebrae | 2. | carpal bones |
3. | cranial bones | 4. | sacral vertebrae |
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The pectoral girdle is composed of
1. | coxa and femur | 2. | scapula and humerus |
3. | scapula and clavicle | 4. | clavicle and sternum |
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The first cervical vertebra in humans is known as the
1. | atlas | 2. | axis |
3. | vertebra prominens | 4. | synsacrum |
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