BIO 231: Chapter 7 questions
The frontal and parietal bones articulate at the _____ suture.
coronal
The four largest sutures that form the boundaries between the cranial bones are the
coronal, lambdoid, sagittal, and squamosal
Which set includes only bones of the cranium?
ethmoid, temporal, and occipital bones
Which set includes only foramina found in the sphenoid bone?
foramen ovale, optic foramen, foramen rotundum
The only unpaired bones of the face are the
mandible and vomer
The temporomandibular joint is the articulation between the mandibular fossa of the temporal bone and the ____________ of the mandible
mandibular condyle
The clavicles articulate with the _____ of the sternum.
manubrium
The three parts of the sternum are the
manubrium, body and xiphoid process
The last of the sternal components to ossify, and the one most likely to damage the heart or liver if broken, is the
xiphoid process
The bony portion of the nasal septum is formed by the
perpendicular plate of the ethmoid bone and vomer.
The articulation between the left and right parietal bones is the
sagittal suture
The bony enclosure that houses the pituitary gland is the
sella turcica
The word root xiphos most nearly means
sword
The mandible articulates with the _____ bone.
temporal
When does the cranium normally stop growing?
upon closure of sutures
The inferior part of the nasal septum is formed by the
vomer
Shaking one's head from side to side (as in gesturing "no") is the primary action facilitated by the articulation between which bones?
atlas and axis
Three tiny bones called ____________ are housed within each temporal bone.
auditory ossicles
Which of the following are classified as bones associated with the skull?
auditory ossicles and hyoid bone
The two main components of a typical vertebra are the
body and vertebral arch
The vertebra that articulates with the skull is the
atlas
All of the following are characteristics of the maxillae except
articulate with all other facial bones
A prominent feature of the temporal bone is the ____________, a passageway for a major artery that supplies blood to the brain.
carotid canal
Transverse foramina distinguish ____________ vertebrae from all other types.
cervical
Which sequence proceeds down the vertebral column from the skull?
cervical, thoracic, lumbar, sacral, coccygeal
Except for parts of the skull and the ____________, bones of the axial skeleton form almost entirely through ____________ ossification.
clavicles; endochondral
The secondary or ____________ curves of the vertebral column help shift the weight of the trunk over the legs.
compensation
Fibrous membrane remnants between the cranial bones at birth are called
fontanels
The compression of an infant's skull bones at birth is facilitated by spaces between unfused cranial bones called
fontanels
Which set includes only bones that compose the nasal complex?
frontal, sphenoid, and ethmoid bones
The paranasal sinuses are located in which bones?
frontal, sphenoid, and ethmoid bones and maxilla
Which of the following sets includes only features of cranial bones?
glabella, sella turcica, hypoglossal canal, zygomatic process
Ribs 11 and 12 are called floating ribs because they
have no connection to the sternum
Damage to the temporal bone would most likely impair the sense of
hearing
Which bone has no direct articulation with any other?
hyoid
Some muscles that control the tongue and larynx are attached to the
hyoid bone
All of the following are foramina in the sphenoid except the
hypoglossal canal
Making up approximately one-quarter of the entire vertebral column, ____________ act as shock absorbers between adjacent vertebral bodies.
intervertebral discs
The duct that drains tears into the nasal cavity is most closely associated with which bone?
lacrimal
In addition to humidifying and warming inhaled air, the ____________ lining the paranasal sinuses provides protective functions typical of all such tissues.
mucous epithelium
Of the three pairs of scroll-like ____________ located in the lateral walls of the nasal cavity, only the inferior pair are separate bones.
nasal conchae
The atlas articulates with which structures?
occipital condyles
Each temporal bone articulates with the
occipital, zygomatic, sphenoid, and parietal bones, and the mandible.
Which bones form the hard palate?
palatine bones and maxillae
The large, fan-shaped muscle that closes the mouth is attached to the ____________ bone and the ____________ of the mandible.
parietal; coronoid process
The costal groove along the inferior border of the internal surface of a rib marks
path of nerves and blood vessels
The axial skeleton includes all but which of the following components?
pelvic girdle
Which cranial bone articulates with every other cranial bone?
sphenoid
In the posterior midline of the vertebral arch, the ____________ projects posteriorly from the right and left laminae.
spinous process
Most _____ vertebrae have a long spinous process that is angled inferiorly.
thoracic
Which vertebrae articulate with the ribs?
thoracic
The primary, or accommodation, curves of the vertebral column are the ____________ curves.
thoracic and sacral
Which set includes only bones of the face?
zygomatic bone, vomer, and palatine bone