Anatomy Chapter 6
Name the opening in the occipital bone through which the spinal cord passes.
Foramen magnum
Which of the following foramen convey a branch of the trigeminal nerve (CN V)?
Foramen rotundum
Which correctly describes the temporal bone?
It forms the only articulation with the mandible.
Identify the large suture on the posterior surface of the skull at the border of the occipital bone.
Lambdoid
Identify the region of the sphenoid bone that contains the optic canal.
Lesser wings
Identify the region of the temporal bone that articulates with the lower jaw.
Mandibular fossa
Identify the area of the occipital bone that articulates with the vertebral column.
Occipital condyles
Identify the occipital bone landmark that can not be palpated from the surface of the head.
Occipital condyles
Identify the bone that articulates superiorly with the temporal bone.
Parietal bone
Which part of the ethmoid bone forms the nasal septum?
Perpendicular plate
Identify the location of the occipital bone.
Posterior surface and base of the cranium
Identify the primary function of the ethmoidal sinuses.
Reduce the weight of the skull
Identify the region of the sphenoid bone in contact with the pituitary gland.
Sella turcica
Which statement correctly describes the zygomatic arch?
The zygomatic bone has a temporal process.
The divisions of the skeletal system include (the) ________.
axial and appendicular
Which of the following bones is NOT part of the axial skeleton?
clavicle
The parietal, temporal, frontal, and occipital bones are part of (the) ________.
cranium
Identify the cranial nerve that passes through the olfactory foramina.
crista galli
The bones that form the nasal septum are the _____.
ethmoid and vomer
Which bones make up the nasal septum, which divides the left nostril from the right?
ethmoid and vomer
Of the following features, which is NOT visible using this sagittal view of the skull?
external auditory meatus
The ethmoid bone is a facial bone.
false
Which bone of the axial skeleton does NOT have a direct connection to any other bone?
hyoid
Which of the following features belongs to the occipital bone?
hypoglossal canal
The small depression on the temporal bone with which the mandible articulates is called (the) ________.
mandibular fossa
The two bones that contain alveolar processes are the __________.
maxilla and mandible
The lambdoid suture is found between which two bones?
parietal and occipital
The lambdoid suture is the boundary between which bones?
parietal and occipital
The structure that cradles and protects the pituitary gland is called the ________.
sella turcica
Bones that form the middle cranial fossa include the _____.
sphenoid, temporal, and parietal
In the labeling activity, which bones articulate with the parietal bone?
sphenoid, temporal, occipital
Which of the following structures passes through the foramen magnum?
spinal cord
Which of the following sutures marks the boundary between the temporal bone and the parietal bone of each side of the skull?
squamous
Identify the landmark on the temporal bone that is a pointy spine.
styloid process
Which of the following bones does NOT have a paranasal sinus?
temporal
Identify the cranial nerve that passes through the olfactory foramina.
the olfactory nerve (CN I)
The ethmoid bone contains sinuses.
true
The ethmoid bone is part of the axial skeleton.
true
the sphenoid bone contains a sinus.
true
Identify the region of the temporal bone that forms part of the zygomatic arch.
zygomatic process
The sella turcica is best described as:
A depression
Identify the recessed area surrounding the crista galli
Cribriform plates
Identify the hole that marks the opening of the ear canal on the superficial surface of the skull.
External auditory meatus
The ethmoid bone forms the inferior portion of the nasal septum.
False
Identify the location of the sphenoid bone.
Floor of the skull
