Anatomy: Cranium and Mandible
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Questions and Answers

Which part of a long bone is known as the body or shaft?

  • Epiphysis
  • Diaphysis (correct)
  • Articular cartilage
  • Metaphyses

Where are sesamoid bones like the patella typically found?

  • Embedded within the spine
  • In the skull
  • In certain tendons (correct)
  • Within muscles

What is the function of articular cartilage in a long bone?

  • To provide structural support
  • To connect muscle to bone
  • To aid in blood production
  • To cover the part of the epiphysis forming a joint (correct)

What is the role of the periosteum in long bones?

<p>To provide blood supply to the bone (C)</p> Signup and view all the answers

What structure within long bones serves as a hollow, cylindrical space?

<p>Medullary cavity (C)</p> Signup and view all the answers

What bones make up the U-shaped mandible?

<p>Body and ramus (A)</p> Signup and view all the answers

Which bones form the zygomatic arch?

<p>Temporal process of zygomatic bone and zygomatic process of temporal bone (A)</p> Signup and view all the answers

What is the pterion composed of?

<p>Frontal, parietal, sphenoid (greater wing), and temporal bones (D)</p> Signup and view all the answers

Which part of the cranium includes the temporal fossa and mastoid process of the temporal bone?

<p>Neurocranial part (A)</p> Signup and view all the answers

What is the function of the external occipital protuberance?

<p>Forms part of the occiput (B)</p> Signup and view all the answers

Which feature is found in the lateral aspect of the cranium?

<p>Zygomatic arch (C)</p> Signup and view all the answers

Which process involves the replacement of cartilage with bone?

<p>Endochondral Ossification (C)</p> Signup and view all the answers

What type of bone formation mostly forms flat bones of the skull?

<p>Intramembranous Ossification (B)</p> Signup and view all the answers

Which zone of the epiphyseal plate consists of maturing chondrocytes arranged in columns?

<p>Zone of Hypertrophic Cartilage (B)</p> Signup and view all the answers

Where does interstitial growth occur in a long bone?

<p>Epiphysis (B)</p> Signup and view all the answers

Which part of the skeletal system includes the axial skeleton?

<p>Thoracic Cage (A)</p> Signup and view all the answers

What cells are responsible for dissolving calcified cartilage during bone growth?

<p>Osteoclasts (B)</p> Signup and view all the answers

What is the total number of bones in the vertebral column?

<p>26 (D)</p> Signup and view all the answers

Which function is NOT attributed to the vertebral column?

<p>Aiding in digestion (C)</p> Signup and view all the answers

Where are the abnormal curvatures of the vertebral column located?

<p>Posterior only (D)</p> Signup and view all the answers

Which type of vertebrae has a hook-shaped front to back process?

<p>Cervical vertebrae (C)</p> Signup and view all the answers

What is a characteristic feature of atypical cervical vertebrae?

<p>Absence of body (A)</p> Signup and view all the answers

What runs from the base of the skull to the coccyx?

<p>A paired bundle of nerve fibers (B)</p> Signup and view all the answers

What is the name of the structure that indicates the junction of the sagittal and lambdoid sutures?

<p>Lambda (D)</p> Signup and view all the answers

Which structure broadens posterolaterally at the parietal eminences in the superior aspect of the cranium?

<p>Vertex (C)</p> Signup and view all the answers

What does Bregma represent in terms of cranial anatomy?

<p>Intersection of the sagittal and coronal sutures (D)</p> Signup and view all the answers

Which part of the cranial base consists of the palatal processes of the maxillae anteriorly and horizontal plates of the palatine bones posteriorly?

<p>Hard palate (bony palate) (C)</p> Signup and view all the answers

Which bone in the cranial base has greater wings and pterygoid processes consisting of lateral and medial pterygoid plates?

<p>Sphenoid bone (A)</p> Signup and view all the answers

What structure in the temporal bone contains the mastoid processes, stylomastoid foramen, and styloid process?

<p>Petrous part (A)</p> Signup and view all the answers

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