Q. No.The foramen magnum is the hole in the base of the skull through which the spinal cord passes and is located in the:
1. frontal bone
2. sphenoid bone
3. parietal bone
4. occipital bone
The ear ossicles include:
| 1. | anvil, stapes, and incus | 2. | stapes, malleus, and incus |
| 3. | malleus, hammer, and stirrup | 4. | annulus, hyoid, and vestibular |
When compared with others the relatively more freely movable skull bone would be:
1. vomer
2. mandible
3. sphenoid
4. maxilla
The first cervical vertebra in humans is known as the
| 1. | atlas | 2. | axis |
| 3. | vertebra prominens | 4. | synsacrum |
The second cervical vertebra in humans is known as the
1. atlas.
2. axis.
3. vertebra prominens.
4. synsacrum.
The opening in a vertebra that is formed by a neural arch and back portion of a vertebral body and through which the spinal cord passes is called as:
1. intervertebral foramen.
2. vertebral canal.
3. vertebral foramen.
4. formen magnum.
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 cartilaginous section at the lower end of the sternum, which is not attached to any ribs, and gradually ossifies during adult life is:
1. manubrium.
2. body.
3. xiphoid process.
4. clavicular surface.
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