5. Which of the following bones possesses the mastoid process? A. frontal B. occ

Question

5. Which of the following bones possesses the mastoid process? A. frontal B. occipital C. temporal D. axis 6. The upper teeth are anchored in the: A. nasal bones B. zygomatic bones C. mandible D. maxilla 7. The lower teeth are anchored in the: A. nasal bones B. zygomatic bones C. mandible D. maxilla 8. The first seven vertebra are referred to as the vertebra. A. cervical B. thoracic C. lumbar D. sacrum 9. The superior portion of the sternum is called the: A. manubrium B. clavical C. xiphoid process D. costal cartlage

Explanation / Answer

Question 5 The mastoid process is possessed bythetemporal bone.

The mastoid process is a pyramidal bony projection from the posterior section of the temporal bone. The superior border of the mastoid portion of the temporal bone articulates with the parietal bone.

Question 6, 7 The upper teeth areanchored in the maxilla.The lowerteeth areanchored in the mandible.

The upper jaw includes the frontal portion of the palate of the mouth. The two maxillary bones are fused at the intermaxillary suture. This is similar to the mandible (lower jaw), which is also a fusion of two mandibular bones at themandibular symphysis.

Question 8 The spinal column has three main sections-the cervical spine, the thoracic spine, and the lumbar spine. The first seven vertebrae form the cervical spine . The mid back, called the thoracic spine , consists of 12 vertebrae.

Question 9    The manubrium (Latin: handle) is the broad upper part of the sternum. The manubrium joins with the body of the sternum, the clavicles and the cartilages of the first pair of ribs. The inferior border, oval and rough, is covered with a thin layer of cartilage for articulation with the body.

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