Exam 2 Chapters 6,7,8 Flashcards
what bones does NOT articulate with any other in the body ?
hyoid bone
how many total bones are in the body ?
206
how many bones of the Axial system ?
80
how many bones of the Appendicular system ?
126
Bones of the Cranium (skull)
Occipital Parietal Frontal Temporal Sphenoid Ethmoid
what are the bones of the face ?
Maxilla Palatine Nasal Inferior Nasal Conchae Zygomatic Lacrimal Vomer Mandible
what are the single bones of the face ?
Vomer
Mandible
what are the single bones of the cranium ?
occipital
frontal
sphenoid
ethmoid
what sinus empties into the nasal cavity ?
maxillary sinuses
Paranasal Sinuses function
spaces reduce weight of skull, produce mucus, and allow air to flow for voice production
What are the Paranasal sinuses ?
frontal sinus
maxillary sinus
sphenoidal sinus
ethmoidal air cells
what are the soft spots of a baby’s skull ?
Fontanel
what are the bones of the vertebral column ?
Vertebra (24)
Sacrum (1)
Coccyx (1)
What is the vertebrae of the spinal column ?
Cervical (C1 - C7) Thoracic (T1 - T12) Lumbar (L1 - L5) Sacral (1) Coccyx (1)
How many sacral vertebrae are there ?
1 sacral vertebrae (5 fused bones)
How many coccyx vertebrae are there ?
1 Coccygeal ( 3 to 5 fused bones)
What is the name of the C1 vertebrae ?
Atlas
What is the name of the C2 vertebrae ?
Axis
What is unique about the C1 vertebrae ?
it has no body
What vertebrae has no intervertebral discs ?
C1 + C2
What are the curves of the spine ?
Primary Curves
Secondary Curves
Primary Curve of Spine
Curves that are posteriorly sweeping curves of the T and S regions (holds visceral)
Secondary Curve of the Spine
Curves anteriorly sweeping curves of the C and L regions
Convex
anterior bulging of spine ( Cervical and Lumbar)
Concave
anterior bulging of spine ( Thoracic and Sacral)
In which set of vertebrae is there bifid process and transverse foramina ?
Cervical
What does the C1 (atlas) articular cranially with ?
occipital condyles ( allows the head to shake up and down - yes)
What process does the C1 and C2 make ?
Dens - Odointoid Process
no intervertebral discs, allows head to shake left and right or no
What is the name of the C7 vertebrae ?
Vertebra Prominens
Has long, slender Spinous Process and may contain Transverse foramen
What are the true ribs
1-7
What are the false ribs
8-12
What are the floating ribs
11-12
What bones make up the Pectoral Girdle ?
Clavicle
Scapula
What is the only connection between the Axial and Pectoral girdle ?
manubrium of sternum
What does the clavicle articulate with ?
Manubrium of sternum
Scapula
How many bones are in the wrist ?
8 bones
