The ear ossicles include:
1. | anvil, stapes, and incus | 2. | stapes, malleus, and incus |
3. | malleus, hammer, and stirrup | 4. | annulus, hyoid, and vestibular |
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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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Situated between the two hip bones of the pelvis, sacrum is a triangular bone in the lower back formed from fusion of:
1. | 3 vertebrae | 2. | 5 vertebrae |
3. | 7 vertebrae | 4. | 12 vertebrae |
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 two processes on the dorsal surface of the scapula are the:
1. | glenoid and infraspinatus | 2. | obturator and coracoid |
3. | coracoid and acromion | 4. | capitulum and trochlea |
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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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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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The correct statement regarding myofibril would be:
1. | It is the name for a muscle cell. |
2. | It contains sarcoplasmic reticulum. |
3. | It is made up of many sarcomeres. |
4. | It is a bundle of muscle cells. |
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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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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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