A&P 168 lecture exam ( chapter 7 )

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206

the skeleton has a total of _______ separate bones.

axial and appendicular

the skeleton is divided into two divisions the ______ skeleton and the _____________ skeleton.

80

the axial skeleton consists of _______ bones.

axial skeleton

_____________; creates a framework that supports and protects organ systems in dorsal and ventral body cavities, it also provides surface for muscle attachment.

22

the skull consists of _______ bones.

7

the accessory bones consists of _____ bones.

26

the vertebral column consists of ______ bones.

25

the thoracic cage consists of _______ bones.

axial skeleton

the three major regions of the ______ _______; skull and accessory bones, the vertebral column, and thoracic cage.

skull

the ____ consists of 22 bones ( most are flat bones )

8

there are ___ cranial bones.

14

there are _____ facial bones.

cranial bones

______ ______ ; enclose the brain; provide sites of attachment for head and neck muscles.

facial bones

_______ ______; framework of face, cavities for special sense organs for sight, taste, and smell; openings for air and food passage; sites of attachment for teeth and muscles of facial exprssion

frontal bone

__________: anterior portion of cranium, has superior wall of orbits

parietal bones

_________: superior and lateral aspects of cranium

occipital bone

____________: most of skull;s posterior wall, articulates with 1st vertebra.

temporal bone

____________: inferolateral aspects of skull

sphenoid bone

__________: articulates with all other cranial bones

ethmoid bone

_________: depest skull bone, superior part of nasal septum, contributes to medial wall of orbits.

mandible

________: lower jaw, largest, strongest bone of face, only freely movable joint in skull.

maxillary bones

____________; articulate with all other facial bones except mandible.

orbits

the _____ encase eyes and lacrimal glands, sites of attachement for eye muscles, formed by parts of 7 skull bones

zygomatic bone

the skull orbits is made with the __________.

nasal cavity

the _________ is made up of hyaline cartilage and 6 skull bones.

nasal cavity

the ethmoid, palatine bones, maxillary bones, inferior nasal conchae, ethmoid and vomer make up the _______.

paranasal sinuses

_______________; mucosa-lined, air-filled spaces, lighten the skull, enhance resonance of voice, it is found in frontal, sphenoid, ethmoid , and maxillary bones.

hyoid bone

________; does not articulate directly with another bone; site of attachment for muscles of swallowing and speech.

auditory ossicles

__________: 3 small bones in each ear, they are the malleus, incus and the stapes

26

vertebral xolumn is made up of ___ irregular bones.

vertebral column

____________; transmits weight of trunk to lower limbs, surrounds and portects spinal cord; curves increase the resilience and flexibility of the spine.

7

the vertebral column consists of ___ neck vertebrae.

thoracic cage

_________; composed of: thoracic vertebrae, sternum, and ribs and their costal cartilages.

thoracic cage

__________: protects vital organs of thoracic cavity, supports shoulder girdle and upper limbs, provides attachment sites for many muscles, including intercostal muscles used during breathing.

sternum

the ____________ consists of breastbone, theree fused bones, that articulates with clavicles and ribs 1 through 7

12

there are ____ pairs of ribs

ribs

_____; all attach posteriorly to thoracic vertebrae,

true

pairs 1-7: are _______ ( vertebrosternal) ribs

false

pairs 8-12: _____ ribs

hyoid and auditory ossicles

the associated bones of the skull include the

mandible and vomer

the single, unparied bones that make up the skeletal part of the face are the

sphenoid, frontal, ehmoid, and maxillary bones

the sinueses, or internal chambers in the skull, are found in the

ossification centers

areas of the head that are involved in the formation of the skull are called

fibrous connective tissue connects the cranial bones

the reason the skull can be distorted without damage during birth is

accommodate the thoracic and abdominoplevic viscera

the primary spinal curves that apperar late in fetal development

lumbar

the most massive and least mobile of the vertebrae are the

skeleton

206 separate bones make up the

axial

80 bones make up the _______ skeleton.

skull

the ________ has 22 bones

accessory

the _______ bones are made up of 7 bones

vertebral column

the ______________ has 26 bones

thoracic cage

the _______________ has 25 bones

skull

the ______ has 22 bones ( most are flat bones )

cranial bones

8 separtate bones make up the.

facial bones

14 bones make up the

irregular

there are 26 _________ bones

neck

there are 7 _______ vertebrae

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