Chapter 10, 11, 12, 13 Flashcards
Skull, Vertebral Column, Thoracic Cage, Skull, Appendicular and Axial Skeleton
The _____ is a skull bone that is not interlocked along sutures
a. mandible
b. maxilla
c. temporal bone
d. occipital bone
mandible
Sinuses include all of the following functions except:
a. warming and humidifying the air during breathing
b. providing resonance to our voices
c. making the skull lighter
d. attachment sites for muscles
attachment sites for muscles
The _____ bone serves for tongue and larynx muscle attachments
a. mandible
b. maxilla
c. hyoid
d. temporal
hyoid
Which of the following is a facial bone?
a. sphenoid bone
b. nasal bone
c. ethmoid bone
d. frontal bone
nasal bone
The ______ suture is located between the two parietal bones
a. squamous
b. sagittal
c. coronal
d. lambdoid
sagittal
The two bones that make up the nasal septum are the:
a. vomer and ethmoid
b. sphenoid and maxilla
c. nasal and lacrimal
d. zygomatic and temporal
vomer and ethmoid
The mastoid process, jugular foramen, and the external acoustic meatures are features of the ______ bone
a. occipital
b. maxillary
c. tamporal
d. ethmoid
occipital
A(n) _____ lightens the skull and acts to warm and humidify the air:
a. nasal septum
b. paranasal sinus
c. auditory ossicle
d. suture
nasal septum
True or False:
Foramina, canals, and fissures serve as passageways for blood vessels and nerves
True
True or False:
The jugular foramen is larger than the foramen magnum
True
How many bones in human skull
22
What are bones called located within the temporal bone?
auditory ossicles (middle ear bones)
including:
- malleus
- incus
- stapes
What is the hyoid bone and where is it located?
In front of your neck, and supports your tongue connected to other structures via ligaments, muscle and cartilage
Skull:
How many bones in the skull;
What are the 2 parts of the skull;
In those 2 parts how many bones in each part;
What makes up those 2 parts, and identify how many of each.
22 Bones
Cranial & Facial Bones
8 Cranial Bones, 14 Facial Bones
Cranial (8): 1 frontal, 2 parietal, 2 temportal, 1 occipital, 1 sphenoid/al, and 1 ethmoid/al
Facial (14): 2 maxillary, 2 zygomatic, 2 lacrimal, 2 nasal, 2 inferior nasal conchae, 2 palatine bones, 1 mandible, 1 vomer
Refer to figure 10.1, can you identify:
What view is it? Anterior/Superior…
- Frontal Bone
- Parietal Bone
- Superior orbital fissure
- Lacrimal Bone
- Nasal Bone
- Middle nasal concha
- Perpendicular plate
- Infraorbital foramen
- Vomer bone
- Mandible
- Mental protuberance (symphysis)
- Superaorbital foramen
- Sphenoid bone
- Temporal Bone
- Ethmoid bone
- Inferior orbital fissure
- Zygomatic bone
- Inferior nasal concha
- Maxilla
- Alveolar processes
- Mental foramen
test yourself
Refer to figure 10.2
Can you identify:
The view of the skull?
- Parietal Bone
- Lambdoid suture
- Occipital bone
- Squamous suture
- Temporal bone
- Zygomatic process
- Mandibular fossa
- External acoustic meatus
- Mastoid process
- Styloid process
- Mandibular condyle
- Coronoid process
- Coronal suture
- Frontal bone
- Sphenoid bone (greater wing)
- Ethmoid bone
- Nasal Bone
- Lacrimal bone
- Infraorbital foramen
- Zygomatic bone
- Maxilla
- Temporal process
- Alveolar processes
- Mental foramen
- Mandible
test yourself
What are sutures?
Fibrous joints that connect the bones of the skull
What bones are separated from each other by these sutures?
Frontal/squamous/lamboid/sagittal
Frontal Suture
- Separates frontal bone from 2 parietal bones
Squamous Suture:
- Separates the parietal bone from temporal bone
Lamboid Suture:
- Separates the occipital bone from the 2 parietal bones
Sagittal Suture:
- Separates the 2 parietal bones along the midline of the skull
Can you identify:
Midline, anterior, middle and posterior cranial fossae?
test yourself
part of frontal bone:
Supraorbital foramen (notch)
part of temporal bone:
- internal and external auditory meatus/canal
- mastoid process
- mandibular fossa
- styloid process
part of occipital bone:
- foramen magnum
- occipital condyle
part of sphenoidal bone:
- hyophyseal fossa of the sella turcica
- lesser and greater wings
- optic foramen