Q. No.A perforated cribriform plate through which the fibers of olfactory nerve pass is seen in:
1. ethmoid bone
2. sphenoid bone
3. zygomatic bone
4. maxillary bone
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 |
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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 |
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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.
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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 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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