Chapter 11 (Skull) Flashcards
Which of the following bones makes up an aspect of the floor of the cranium?
a. Temporal
b. Occipital
c. Frontal
d. Parietal
Temporal
How many bones make up the facial bone region?
a. 6
b. 8
c. 12
d. 14
14
Which bony landmark represents the highest level of the facial bone mass?
a. Nasion
b. Acanthion
c. Orbital plates
d. Supraorbital notch
Orbital plates
The widest portion of the cranium is found at the level of the:
a. parietal tubercles.
b. right and left pterion.
c. squamous portion of the temporal bone.
d. external acoustic meatus (EAM).
Parietal tubercles
What is the name of the joint found between the lateral condylar processes of the skull and the atlas of C1?
a. Zygapophyseal joint
b. Intervertebral joint
c. Atlanto-occipital joint
d. Cervico-occipital joint
Atlanto-occipital joint
Which cranial bone articulates with the other seven cranial bones?
a. Parietal
b. Ethmoid
c. Sphenoid
d. None of the options
Sphenoid
The slight depression above each eyebrow is termed the:
a. glabella.
b. supraorbital foramina.
c. supraorbital groove.
d. frontal tuberosity.
Supraorbital groove
Which of the following cranial bones does not articulate with the parietal bone?
a. Frontal
b. Sphenoid
c. Occipital
d. All of the options
All of the options
The left mastoid fontanel becomes the ____ in an adult.
a. left asterion
b. left pterion
c. left bregma
d. squamosal suture
Left asterion
There are a total of ____ fontanels in an infant.
a. four
b. two
c. six
d. eight
Six
The frontal bone articulates with ____ cranial bones.
a. four
b. six
c. two
d. five
Four
Which of the following landmarks corresponds with the level of the petrous ridge?
a. EAM
b. Top of ear attachment (TEA)
c. Squamosal suture
d. Inion
Top of ear attachment (TEA)
The pituitary gland (hypophysis cerebri) is associated with and protected by the ____ bone.
a. temporal
b. ethmoid
c. palatine
d. sphenoid
Sphenoid
Which cranial bone contains the foramen ovale?
a. Sphenoid
b. Occipital
c. Ethmoid
d. Temporal
Sphenoid
Which cranial bone contains the cribriform plate?
a. Sphenoid
b. Occipital
c. Temporal
d. Ethmoid
Ethmoid
Which of the following sutures separates the parietal from the occipital bone?
a. Squamosal
b. Sagittal
c. Coronal
d. Lambdoidal
Lambdoidal
Which of the following terms describes the anterior fontanel found in the adult skull?
a. Bregma
b. Pterion
c. Asterion
d. Lambda
Bregma
Which of the following terms describes the small irregular bones occasionally found in the sutures?
a. Asterion
b. Wormian
c. Sesamoid
d. Squamosal
Wormian
The ethmoid notch is part of which cranial bone?
a. Temporal
b. Ethmoid
c. Sphenoid
d. Frontal
Frontal
Which of the fontanels is the last to close at about 18 months of age?
a. Sphenoid
b. Mastoid
c. Anterior
d. Posterior
Anterior
An average-shaped skull with a 47-degree angle between the petrous pyramids and the midsagittal plane is classified as:
a. mesocephalic.
b. brachycephalic.
c. dolichocephalic.
d. morphocephalic.
Mesocephalic
An axiolateral oblique projection (modified Law method) for the temporomandibular joints on a brachycephalic type of skull would require ____ rotation as compared with an average-shaped skull.
a. more
b. less
c. the same
d. rotation depends on the patient’s age
less
Which term describes the small flap of cartilage covering the opening to the ear?
a. Tragus
b. Pinna
c. Acanthion
d. EAM
Tragus
What is the difference, in degrees, between the infraorbitomeatal and orbitomeatal lines?
a. 10 degrees
b. 15 to 22 degrees
c. 7 to 8 degrees
d. 20 to 25 degrees
7 to 8 degrees