Q. No.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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Arrange the following events in correct chronological order:
a. acetylcholine hydrolyses into acetate and choline
b. acetylcholine diffuses across the synaptic cleft
c. Impulse reaches the terminal endings of the motor neuron
d. acetylcholine binds to its receptor on motor end plate
e. sarcolemma gets depolarized
| 1. | b, c, d, a, e | 2. | c, b, d, e, a |
| 3. | c, d, b, a, e | 4. | d, e, b, a, c |
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