A&P Ch. 8
A cranium has ______ temporal bone(s) and ______ ethmoid bone(s).
2; 1
How many bones are contained in each lower limb?
30
The number of metacarpal bones per upper limb is ______.
5
How many tarsal bones are found in each foot?
7
Each wrist has ______ carpals.
8
How many carpal bones are in each wrist?
8
The hyoid and auditory ossicles are part of the ______ skeleton.
axial
The two main divisions of the skeletal system are the _______ skeleton and _______ skeleton.
axial appendicular
The auricular surface of the ilium in a young adult appears ______.
billowing
The anterior, weight bearing part of each vertebra is known as the ______.
body
The sternum is also referred to as the ______.
breastbone
Nasal bones form the ______ of the nose.
bridge
Which terms correctly describe the scapula?
broad, flat
The internal carotid artery passes through the opening in the temporal bone called the ______.
carotid canal
The tarsal bones of the foot are analogous with the ______ bones of the wrist
carpal
A pectoral girdle consists of two bones, the ______ and the ______
clavicle and scapula.
A large, smooth, rounded articulating oval structure on a bone is properly identified as a ______.
condyle
The vertebral canal contains the spinal _______, whereas the intervertebral foramina allow for passage of the spinal nerves.
cord
The suture that connects the frontal and parietal bones of the skull is called the _______ suture.
coronal
Enclosing the brain is a function of ______.
cranial bones
Sutures are immovable joints forming the boundaries between the ______.
cranial bones
The curved depressions of floor of the cranial cavity are called the
cranial fossa
What are the three curved depressions in the floor of the cranial cavity called?
cranial fossae
The region of the leg from the knee to the ankle is called the ______ region.
crural
Cranial fossae are ______ in the floor of the cranial cavity.
depressions
Which bone in the skull helps to form the floor of the cranium, the roof of the nasal cavity, and the medial wall of the orbit?
ethmoid bone
The tympanic part of the temporal bone surrounds the ______.
external acoustic meatus
Polydactyly means ______ fingers.
extra
The longest bone of the body is the
femur
The strongest and heaviest bone in the body is the ______.
femur
The crural region contains the tibia and
fibula
The last two pairs of false ribs lack connections with the sternum, so they are classified as ______.
floating ribs
The structures that allow the cranial bones of the fetal skull to overlap as a baby passes through the birth canal are called
fontanelles
A ______ is a rounded passageway through a bone.
foramen
The largest foramen in the skull, visible on an inferior (basal) view, is the ______.
foramen magnum
The spinal cord enters the cranial cavity through the ______.
foramen magnum
The glabella, superciliary arch, supraorbital margin, and supraorbital foramen (notch) are all features of the ______.
frontal bone
The coronal suture is between the ______ bone and ______ bones.
frontal; parietal
Which structure forms both the floor of the nasal cavity and part of the roof of your mouth?
hard palate
Which bone associated with the skull is an attachment site for tongue and larynx muscles?
hyoid
The most superior portion of a hip bone is called the ______.
ilium
The true pelvis is ______ to the false pelvis.
inferior
The mandibular foramen acts as a passageway for the blood vessels and nerves that innervate the ______.
inferior teeth
The depression between the greater and lesser tubercle is called the ______.
intertubercular sulcus
The os coxae are made of three fused bones: the ilium, the ______, and the _______
ischium, pubis
The opening in the lacrimal bone that provides a passageway for the nasolacrimal duct is the ______.
lacrimal groove
The greater tubercle is more ______ than the lesser tubercle.
lateral
The bone of the lower jaw is the
mandible
Which bone forms the lower jaw?
mandible
The foramen, located on the medial wall of the mandibular ramus, that allows blood vessels and nerves to supply the inferior teeth is called the ______.
mandibular foramen
The temporal bone and mandible articulate to form the tempormandibular joint at the ______.
mandibular fossa
The bump you feel posterior to your ear lobe on your lateral skull corresponds to which structure of the temporal bone?
mastoid process
The prominent bulge on the inferior surface of the temporal bone that acts as an anchor for neck muscles is called the ______.
mastoid process
Which bones come together to form the upper jaw?
maxillae
Which bones contain alveolar processes?
maxillae and mandible
Which bones contribute to the formation of the hard palate?
maxillae and palatine bones
In anatomical position the ulna is ______ to the radius.
medial
Which bones are just inferior to the glabella?
nasal bones
The perpendicular plate and vomer come together to form the ______.
nasal septum
Which structure is located within the lacrimal groove?
nasolacrimal duct
The glenoid cavity is part of the _______ girdle and the acetabulum is part of the _______ girdle.
pectoral, pelvic
The sacrum is part of the ______.
pelvis
The sacrum, the coccyx, and hip bones make up the ______.
pelvis
The superior portion of the nasal septum is formed by the ______.
perpendicular plate
Bones of the fingers are called ______.
phalanges
The bones of the toes are called ______.
phalanges
An individual with extra digits has ______.
polydactyly
The thoracic and sacral curvatures of the vertebral column are classified as ______.
primary curves
What is the function of foot arches?
protect blood vessels and nerves
Which component of the thoracic cage consists of a manubrium, body, and xiphoid process?
sternum
The clavicle extends between the manubrium of the ______ and the acromion of the ______.
sternum, scapula
The clavicle is located between these two bones, the _______ and the ______
sternum, scapula
The thin, pointed process located on the posteroinferior surface of the temporal bone is called the ______ process.
styloid
Which thin, pointed projection of the temporal bone serves as an attachment site for several hyoid and tongue muscles?
styloid process
The facial nerve (CN VII) passes through the opening in the temporal bone called the ______.
stylomastoid foramen
The occipital bone can be seen from a(n) ______ view of the skull.
superior
Which is a function of the cranial bones?
surround and protect the brain
A structure that is an immoveable joint forming the boundary between cranial bones is called a
suture
The zygomatic arch is formed by the fusion of the zygomatic process of the temporal bone to the ________ process of the zygomatic bone.
temporal
The thoracic vertebrae, ribs, and sternum make up the ______.
thoracic cage
Which part of the axial skeleton acts as a protective framework around the vital organs of the thorax and provides attachment points for many muscles?
thoracic cage
The most superior ribs are called the ______ ribs.
true
The pelvic organs are found in the ______.
true pelvis
The entrance to the external acoustic meatus is located in the _______ part of the temporal bone.
tympanic
The maxillae form the ______.
upper jaw
Which part of the axial skeleton provides vertical support for the body while housing and protecting the spinal cord?
vertebral column
The subpubic angle is much ______ in women than in men.
wider
The fusion of the temporal process of the zygomatic bone and the zygomatic process of the temporal bone forms the ______.
zygomatic arch
A clavicle and scapula make up a ______ girdle.
pectoral
The scapula is part of the ______.
pectoral girdle
Paranasal sinuses are normally filled with ______.
air
What features on both the maxillae and mandible house the teeth?
alveolar processes
Which are the two main divisions of the skeletal system?
appendicular skeleton axial skeleton
If the symphysial surface is depressed and concave, the ossa coxae is most likely from a person who is ______.
over 50
The process of the maxillae and the palatine bones make up the hard palate is the ______ process.
palatine
The process of the maxillae and the palatine bones make up the hard palate is the _______ process.
palatine
In anatomical position the radius and ulna are ______.
parallel
The structures that help to lighten the weight of certain skull bones and provides resonance to the voice are the
paranasal sinuses
Which cranial bones are paired?
parietal
Which bones can clearly be seen on a superior view of the skull?
parietal bones
The subpubic angle is also called the ______.
pubic arch
Which bone of the forearm is on the same side as the thumb?
radius
The ascending posterior regions of the mandible are known as the ______.
rami
A broad, flat, triangular bone that forms the shoulder blade is the ______.
scapula