Chapter 8.1-8.3 Flashcards
Which cranial bones are paired?
A. Frontal and parietal
B. Ethmoid and sphenoid
C. Temporal and occipital
D. Parietal and temporal
D. Parietal and temporal
how many bones does a skeleton typically contain at birth?
150
over 400
206
270
270
Condyle is
A. Rounded knob that articulates with another bone (occipital condyles of the skull
B. A smooth, flat, slightly, concave or convex articular surface (articular facets of vertebrae)
C. Narrow ridge (iliac crest of pelvis)
A. Rounded knob that articulates with another bone (occipital condyles of the skull
The largest cavity in the skull that encloses the brain is the _________ cavity
Cranial
The suture between the parietal bones is the ____ suture.
Lambdoid
sagittal
squamous
coronal
sagittal
Which term refers to bony surrounds that surrounds the brain? Cranial fossa Calvaria Cranium Sinuses
Cranium
Which bones are classified as cranial bones? maxilla occipital sphenoid temporal ethmoid parietal frontal nasal
occipital sphenoid temporal ethmoid parietal frontal
the ____ process for the zygomatic bone forms part of the zygomatic arch.
zygomatic
temporal
condylar
maxillary
temporal
list the sutures surrounding the parietal bone. Occipitomastoid coronal sagittal lambdoid frontonasal squamous
coronal
sagittal
lambdoid
squamous
Occipitomastoid is located between the occipital bone and temporal bone (mastoid region)
The skullcap that forms the roof and walls of the skull is called which of the following? Orbit girdle cranial fossa calvaria
calvaria
the mandible condyle articulates with which part of the temporal bone?
Mandibular fossa
Mandibular process
Mandibular facet
Mandibular notch
Mandibular fossa
The projection of the temporal bone that extends anteriorly to form part of the zygomatic arch is the _____ process
zygomatic process
what is the prominent bony process behind and below the ear that is filled with small air sinuses and serves as an attachment for a major neck muscle?
Styloid process
Zygomatic process
mandibular process
mastoid process
mastoid process
The temporal process of the _______ bone forms part of the zygomatic arch
zygomatic
The ______ canal is the passage for the carotid artery.
carotid
Which of the following terms refers to the large hole in the base of the skull that allows the spinal cord to enter the cranial cavity?
Obturator foramen
foramen ovale
foramen magnum
auditory foramane
foramen magnum
Where does the skull rest on the vertebral column?
Basilar Condyle
Mastoid Process
Occipital Condyles
Foramen Magnum
Condyles
Foramen
Which wing of the sphenoid bone forms one half of the middle cranial fossa and a part of the lateral surface of the cranium?
lesser wing
middle wing
greater wing
inferior wing
Greater Wings
the bone in the neck that does not articulate with any other bone is the _______ bone.
Hyoid Bone
U shaped bone between chin and larynx
Which of the sphenoid bones forms the posterior margin of the anterior cranial fossa?
Greater Wings
Lateral Wings
Medial Wing
Lesser Wing
lesser wings
What structure sits in the sella turcica?
Brain stem
Occipital lobe
Pituitary gland
Cerebellum
pituitary gland
The palatine bones forms part of the _______.
Ear Canal
Hard Palate
Soft Palate
Nasal Septum
hard palate
Within the vertebral column _______ disc is a pad consisting of an inner gelatinous nucleus surrounded by a ring of fibrocartilage.
Intervertebral disc
located between the bodies of two adjacent vertebrae
Which bone is located in the neck and does not articulate with any other bone?
Mandible
Hyoid
Clavicle
Stapes
Hyoid of the neck
Mandible forms lower jaw. Articulates temporal bone
stapes: auditory bone
Which term refers to the space located between unfused cranial bones during early development?
Fontanelles
Fistulas
Furrows
Fissures
Fontanelles
The dens projects into the _______.
A.vertebral foramen of the first thoracic vertebra
B. occipital condyle
C. Odontoid process of the axis
D. Vertebral foramen of the atlas
D. Vertebral foramen of the atlas
Dens is located on vertebra C2 the axis
Which of the following is the weight baring portion of the vertebra?
Body
Spinous Process
Pedicle
Vertebral arch
Body (centrum)
mass of spongy bone and red bone marrow covered with a thin shell of compact cortical bone
An intervertebral disc is made out of which type of cartilage?
Fibrocartilage
Elastic Cartilage
Hyaline Cartilage
Fibrocartilage
The first cervical vertebra is called the _______
Atlas (C1)
holds head
The second cervical vertebra is called the _______
Axis (C2)
moves head
The thoracic cage consists of the thoracic vertebrae, _____, and ribs.
sternum
encloses lungs and heart attachment for pectoral girdle and upper limbs
The _____ is a very small triangular bone at the end of the vertebral column. It is made up of four or five small fused vertebrae.
coccyx
This bone looks like a butterfly.
Sphenoid
The Lacrimal bone, which means crying in Spanish, is located where? and helps do what?
under tear ducts and sends tears way from eye internally
Vomer helps divide what into two cavities?
nasal cavity
This is an extension between the eyebrows on the frontal bone?
A. Glabella
B. Infraorbital foramen
C. Middle nasal concha
A.
Mental foramen is hole in front of what bone?
Mandible
What makes the chin point?
A.Mental Protuberance
B. Infraorbital Foramen
C. Mental Foramen
A. Mental Protuberance
What connects the parietal and temporal bone?
Squamous suture
What connects frontal and parietal bone?
coronal suture
This is the inner portion of vertebra disc?
A. Nucleus pulposus
B. Anulus fibrosus
C. Spinal Nerve
D. herniation of nucleus pulposis
A. Nucleus pulposus
Outer portion of vertebra disc?| A. Nucleus pulposus B. Anulus fibrosus C. Spinal Nerve D. herniation of nucleus pulposis
B. Anulus fibrosus
