MULIIPE CHOICE. Choose the one alternative that best completes the statement or

Question

MULIIPE CHOICE. Choose the one alternative that best completes the statement or answers the question 1) I) a superior projection on thebone, attaches to the dura mater and secures the brain within the skull A) Sella turcia, ethmoid B) Sella turcica, sphenoid C) Crita galli, ethmoid D) Crista galli, sphenold 2) The hypophyscal fossa of the sella turcica, surrounds the pituitary gland, and is a part of the bone. 2) A) palatine B) sphenoid C) vomer D) ethmoid 3) This foramen lies between the temporal and occipital bones on the inferior surface of the skull. A major vein and several cranial nerves pass through it 3) A) jugular foramen B) foramen ovale C) foramen magnum D) foramen lacerum 4) The cribriform foramina, through which the fibers of cranial nerve I pass, are located in thebone on the floor of the skull. 4) A) frontal B) sphenoid C)temporal D) ethmoid 5) This facial bone forms part of the nasal septum. 5) A) vomer B) inferior nasal concha D) ethmoid C) palatine 6) These keystone bones of the face contact all other facial bones except the mandible. 6) A) temporals B) maxillae C) zygomatics D)sphenoids 7) These facial bones increase the ability of the nasal passageways to warm and humidify incoming air.7 A) nasalB) ethmoids C) maxillae D) inferior nasal conchae 8) These small paired bones of the orbit contain a passageway through which tears pass. 8) A) palatine B) nasalC) lacrimal D) zygomatic on the axis (C2) forms a pivot point with the atlas (CI) that allows you to nod a "no. 9) The A) superior articular facet B) dens C) transverse foramen D) posterior tubercle 9) 10) This bone does not articulate with any other bone in the body. Musdles of the neck and tongue attach to it. 10) A) occipital B) mandible C)hyoid D) palatine 11) You pick up a vertebra to identify it and note that the transverse processes contain foramina. This unique feature 1) identifies the vertebra as coming from theregion of the vertebral column. A) cervical B) sacralC) thoracic D) lumbar 12) Intervertebral discs are absent between these vertebrae. 12)

Explanation / Answer

2. B) sphenoid

This sells turcica is a regionwhicn is saddle shaped and is present in sphenoid midline, this is surrounded by the pituitary gland.

3. A) jugular foramen

This lies between the occipital bones and the temporal bones . The major vein passing through this is the internal jugular vein.

4. D) ethmoid

The first cranial nerve which is sensory for smell and would be passing through the foramina present in the cribriform plate of ethmoid.

5. A) vomer

These are the facial bones present along the mid Sagittal line and would articulate with the right as well as left maxillary bones.

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