Chapter 7
How many bones make up the nasal septum?
2
Identify the general location of the zygomatic arch.
Cheek
Identify the part of the mandible that serves as a site of attachment for the temporalis muscle.
Coronoid process
Identify the recessed area surrounding the crista galli.
Cribriform plates
Identify the landmark that serves as a site of attachment for the meninges.
Crista galli
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
What part of the nasal cavity is formed by the nasal septum?
Forms the medial wall of the nasal cavity.
Identify the region of the temporal bone that articulates with the lower jaw.
Mandibular fossa
Identify the part of the ethmoid bone that contributes to the nasal septum.
Perpendicular plate
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
The nasal septum occupies which anatomic plane?
Sagital
Identify the suture found between the 2 parietal bones.
Sagittal suture
Identify the region of the sphenoid bone in contact with the pituitary gland.
Sella turcica
Which cranial bone spans the width of the cranial floor?
Sphenoid
The mandible is NOT responsible for
Structure of the palate
Identify the region on the zygomatic bone that forms part of the zygomatic arch.
Temporal process
Which bone forms the inferior portion of the nasal septum?
Volmer
Identify the 2 bones that make up the zygomatic arch.
Zygomatic bone and Temporal bone
What is the anatomical name for the facial bones known as "cheekbones"?
Zygomatic bones
Identify the region on the temporal bone that forms much of the zygomatic arch
Zygomatic process
The nasal conchae __________.
assist in respiration and olfaction
The skull and vertebral column are part of the ________ skeleton.
axial
Which two bones contribute to the zygomatic arch?
temporal and zygomatic
Most of the bones of the skull are connected by immovable joints called sutures. Which of the following bone pairings is NOT connected by a suture?
temporal--mandible
The sella turcica is best described as:
Depression
Identify the region of the mandible that forms part of the temporomandibular joint.
Mandibular condyle
Which of the following bones is not a facial bone?
Ethmoid
Identify the hole that marks the opening of the ear canal on the superficial surface of the skull.
External auditory meatus
Which of the following categories is the best fit for the zygomatic arch?
Facial
The ethmoid bone forms the inferior portion of the nasal septum
False
The ethmoid bone is a facial bone.
False
Identify the location of the sphenoid bone.
Floor of skull
Which region of the mandible articulates with the cranium?
Mandibular condyle
Which of the following bones is unpaired?
Frontal
Harold, a former boxer, complains of tingling and numbness in the external, anterior portion of his left lower jaw. Before confirming with further tests, the most obvious diagnosis is that __________.
Harold has potential blockage of the mental foramen that impinges on the chin nerves
Identify the location of the ethmoid bone.
In between the orbits
Identify the small facial bones found in the medial wall of the orbit.
Lacrimal
Which bone is NOT considered to be part of the cranium?
Lacrimal bone
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 skull bone that can move independent of head movement.
Mandible
Name the U shaped border found between the mandibular condyle and the coronoid process.
Mandibular notch
Which of these is NOT a cranial bone?
Maxilla
Which facial bones fuse to form the upper jaw?
Maxillary
Which of the following facial bones contain a sinus?
Maxillary
Which facial bones makeup the central portion of the bridge of the nose?
Nasal
Which of the following bones do not contain a sinus?
Nasal
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
The optic nerve passes through which bone marking of the sphenoid bone?
Optical canal
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
Which of the following is NOT true regarding the axial skeleton?
includes the pelvic and pectoral girdles
Which of the following is NOT part of the axial division of the skeletal system?
pelvic girdle
What structure is located in the hypophyseal fossa of the sphenoid bone?
pituitary gland
Which structure does the sella turcica support?
pituitary gland
Which of the following is function of the axial skeleton?
provides an attachment for muscles that move the appendicular skeleton provides protection for the brain and spinal cord provides an attachment for muscles involved in breathing provides an attachment for muscles that move the head, neck, and trunk