29 Questions
At what age does the obliteration of sutures between the bones of the calvaria begin on the internal surface?
30-40 years
What is the function of fontanelles during birth?
To enable the bony plates of the skull to flex
What does a depressed fontanelle indicate in an infant?
Dehydration
How many fontanelles are present in an infant?
6
What is the location of the anterior fontanelle?
At the junction of the sagittal, coronal and frontal sutures
By what age does the anterior fontanelle typically close?
18-24 months
What is Malar flush associated with?
Rise in temperature in various fevers
Which type of Le Fort fracture involves the nasal septum?
Le Fort 1
What is the result of a Le Fort 2 fracture?
The medial part of the face, hard palate, and alveolar processes separate from the skull
Which type of fracture may involve the alveolus of a canine tooth?
Fracture of the body of mandible
What is the function of the styloid process?
To serve as a point of attachment for muscles and ligaments
Which type of fracture may be associated with dislocation of the temperomandibular joint?
Fracture of the neck of mandible
What is the origin of the word 'parietal'?
From the Latin 'parietalis' meaning 'belonging to the wall'
What is the characteristic of a fracture of the angle of mandible?
It is usually oblique
What is the function of the superior temporal line?
To serve as an attachment point for the temporal fascia
What passes through the parietal foramen?
An emissary vein
What is the function of the zygomatic process?
To form the zygomatic arch
What is the location of the parietal foramen?
Along the posterior aspect of the bone, next to the sagittal suture
How many bones make up the cranial skeleton?
8
What is the name of the suture that separates the occipital bone from the parietal bones?
Lambdoid Suture
How many bones make up the facial skeleton?
14
What is the name of the bone that attaches to the parietal bones via the coronal suture?
Frontal Bone
What is the name of the suture that forms the boundary between the temporal bones and parietal bones?
Squamous Suture
What type of joints are formed between the bones of the skull?
Immovable Joints
What is the function of the Sphenoid bone in the skull?
Forms part of the floor of the cranium
Which bones does the Sphenoid bone articulate with?
All of the above
What is the structure of the Sphenoid bone composed of?
A centrally placed body with greater and lesser wings
What is the name of the saddle-shaped enclosure on the superior surface of the Sphenoid bone?
Sella turcica
What are the two plates of the pterygoid process separated by?
Pterygoid fossa
Learn about the different parts of the head, including the skull, face, scalp, teeth, brain, cranial nerves, and more. Understand the structure and function of each component.
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