BIO201 - CH 7 - Skeleton (axial & appendicular) - Marieb/Hoehn - Rio Salado
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| Skeleton accounts for __% of bone mass or about __ lbs. | show 🗑
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| show | 80, 3
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| The axial skeleton supports __. | show 🗑
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| The axial skeleton protects __. | show 🗑
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| What is the most complex of bony structures? | show 🗑
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| show | 22
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| show | Cranium & facial bones
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| show | Enclose & protect brain & provide attachment sites for head & neck muscles.
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| Facial bones - 5 functions | show 🗑
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| show | Flat
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| Which skull bone is not flat? | show 🗑
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| show | Sutures
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| show | Saw-toothed or serrated
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| Name the major skull sutures that connect crainial. | show 🗑
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| The __ bones form the skull's anterior. | show 🗑
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| show | Vault & Base
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| Calvaria | show 🗑
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| show | "Floor" - forms skull's inferior.
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| Cranial base is divided into 3 steps/fossae | show 🗑
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| The brain sits snugly in the __. | show 🗑
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| The brain occupies the __ cavity. | show 🗑
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| Number of cranial nerves. | show 🗑
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| show | 2 parietal, 2 temporal, frontal occipital, sphenoid, & ethmoid.
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| What is known as the bony "helmet"? | show 🗑
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| Why is the cranium self-bracing? | show 🗑
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| show | Forehead.
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| What bones lie under the eyebrows? | show 🗑
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| Which bone supports the frontal lobes? | show 🗑
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| Which 2 terms are used interchangeably to indicate the entire group of cranial bones? | show 🗑
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| Parietal Bones | show 🗑
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| Occiptal Bone | show 🗑
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| show | Occipital Bone
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| Where does the brain connect w/spinal cord? | show 🗑
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| show | Nuchal Lines.
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| What marks the upper limit of the neck? | show 🗑
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| Each temporal bone has 4 major areas? | show 🗑
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| Cheekbone | show 🗑
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| show | Temporomandibular Joint
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| show | Surrounds external ear canal.
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| Where do tongue muscles attach? | show 🗑
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| Mastoid process is full of __. | show 🗑
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| show | Complex, butterfly-shaped, 3 proccess (greater/lesser wings & pterygoid) - secures brain w/in skull.
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| What allows crainial nerves that control eye movements to enter orbit? | show 🗑
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| Facial nerves pass through __. | show 🗑
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| Most deeply situated bone of skull. | show 🗑
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| show | Cribriform Plates.
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| Helps secure the brain to cranial cavity. | show 🗑
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| The Crista Galli | show 🗑
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| The facial skeleton has __ bones. | show 🗑
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| show | Mandibular body
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| Tooth sensation nerves enter through the __. | show 🗑
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| show | Alveolar margins.
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| show | The maxilla - forms anterior portion of hard palate.
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| show | Bony cavities in which eyes are encased & cushioned by fatty tissue.
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| Nasal cavity is made of? | show 🗑
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| show | Frontal, sphenoid, ethmoid, & paired maxillary bones.
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| show | Sinuses that cluster around the nasal cavity.
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| show | Paranasal Sinuses
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| Hyoid Bone | show 🗑
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| show | 26 irregular bones.
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| How many major divisions in vetebrae? | show 🗑
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| show | Cervical, thoracic, lumbar, sacrum & coccyx.
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| show | Common meal times of 7am, noon, & 5pm.
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| show | Lateral curvature in thoracic region.
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| Kyphosis | show 🗑
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| Lordosis | show 🗑
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| Which region of vertebrae bears the most weight? | show 🗑
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| Major supporting ligaments of vertebrae colum are? | show 🗑
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| show | Prevents hyperextension of spine (too far back).
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| Posterior longitudinal ligaments | show 🗑
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| Ligament flavum | show 🗑
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| show | (1) nuculeus pulposus & (2) anulus fibrosus
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| Nucleus Pulposus | show 🗑
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| show | Fibrocartilage that collars around nucleus pulposus in intervertebral disc.
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| What limits the expansion of the nucleus pulposus? | show 🗑
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| What ruptures in a herniated disc? | show 🗑
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| show | Partial vaporization of herniated disc in outpatient setting.
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| Successive vertebrae are joined where? | show 🗑
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| The spinal nerves of the spinal cord pass through __. | show 🗑
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| show | (1) flexion & extension, (2) lateral flexion & (3) rotation.
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| show | 7
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| __ is not bifid & is much larger than other cervical vertebrae. | show 🗑
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| show | The landmark cervical vertebrae for counting.
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| Which is the vertebra prominens of the cervical vertebrae? | show 🗑
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| show | C1-just like atlas that supports the world (skull).
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| What structural parts of the vertebra are sites of muscle attachment? | show 🗑
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| show | C2-Has dens or odontoid process that is missing body of atlas.
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| show | Pivot for rotation of atlas - missing part of C1 (atlas) that is found in c2.
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| There are __ thoracic vertebrae. | show 🗑
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| show | Ribs
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| show | Increase
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| The __ of the thoracic vertebrae receive the heads of the ribs. | show 🗑
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| show | 5
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| The body of cervical vertebrae are __. | show 🗑
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| The body of thoracic vertebrae are __. | show 🗑
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| The body of lumbar vertebrae are __. | show 🗑
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| show | Orientation of facets - they lock the lumbar vertebrae together & provide stability.
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| How many fused vertebrae in sacrum? | show 🗑
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| Last sacral vertebrae fails to fuse medially & results in gap/opening. | show 🗑
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| The bony underpinnings of chest is the __. | show 🗑
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| show | Costal cartilages.
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| Bony thorax protects __. | show 🗑
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| Bony thorax supports __. | show 🗑
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| show | Intercostal
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| The sternum is fusion of which 3 bones? | show 🗑
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| show | Top bone of sternum.
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| show | Midportion of sternum
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| show | End of sternum
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| 3 Anatomical landmarks of sternum. | show 🗑
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| Jugular notch in line with __. | show 🗑
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| show | Disc between L4&L5 - good to find 2nd rib for specific heart valves.
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| Xiphisternal joint lies opposite of __. | show 🗑
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| There are __ pairs of ribs. | show 🗑
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| show | Rib pairs 1-7 - "The true ribs".
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| Why are ribs 8-12 called false? | show 🗑
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| show | Ribs 8-10 - joins costal cartilage above it.
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| Vertebral/Floating ribs | show 🗑
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| show | Ribs 11 & 12 - no anterior attachment.
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| show | Upper limbs to the body trunk.
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| show | Lower limbs.
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| Pectoral girdle is also known as __. | show 🗑
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| The pectoral girdle consists of __ & __. | show 🗑
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| Clavicles | show 🗑
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| Scapulae | show 🗑
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| show | 30
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| show | Ulnar nerve
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| show | Forearm
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| show | Ulna
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| Ulna | show 🗑
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| Radius | show 🗑
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| When the __ moves, the hand moves also. | show 🗑
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| Colle's fracture | show 🗑
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| Carpus | show 🗑
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| show | Palm
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| Carpals | show 🗑
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| show | Sally Left The Party To Take Cathy Home.
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| How many metacarpal bones? | show 🗑
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| Which bones are known as knucles? | show 🗑
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| show | Thumb
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| Each hand contains __ minature bones called phalanges. | show 🗑
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| show | 3
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| show | Phalanx
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| show | Visceral organs.
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| The __ girdle is secured to axial skeleton by some of the strongest ligaments in the body. | show 🗑
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| Os Coxae | show 🗑
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| Bony Pelvis | show 🗑
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| 3 boundaries of hip bone are: | show 🗑
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| ilium | show 🗑
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| show | Sacroiliac joint
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| Ischium | show 🗑
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| When we sit, the weight is born by the __. | show 🗑
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| What arch helps differentiate male & female pelves? | show 🗑
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| False pelvis | show 🗑
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| show | Forms deep bowl containing pelvic organs.
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| show | Thigh, leg & foot.
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| Broken hip involves | show 🗑
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| show | Quadriceps
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| The __ articulates w/femur to form knee joint. | show 🗑
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| show | "Shinbone" - 2nd only to femur for size.
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| Medial bulge of ankle formed by __. | show 🗑
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| Fibula | show 🗑
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| Which bone forms bulge of ankle? | show 🗑
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| show | Occurs at the distal end of fibula, tibia, or both. Common sports injury.
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| show | Segmentation
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| Number of bones in tarsus. | show 🗑
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| show | Talus (ankle) & calcaneus (heel bone).
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| show | Medial, lateral, & transverse.
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| show | Thoracic & sacral curvatures of an infant's spine arches like a 4-legged animal. Convex posteriorly.
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| show | Of infant - cervical & lumbar. Convex anteriorly.
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| show | Adolescence.
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| show | Thoracic & sacral curvatures
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| show | Cervical & lumbar
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| True "military posture" doesn't develop until __. | show 🗑
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| show | 3 curvatures, 2 additional regions
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| Each of the spine curvations are characterized by its own unique type of __. | show 🗑
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| Each upper limb has __ bones. | show 🗑
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| show | Cervical
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| The __ curvature develops when the baby begins to walk. | show 🗑
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| The __ sinuses are adjacent to middle ear cavity & at higher risk for infection from throat. | show 🗑
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| All vertebra possess a body, __ & __. | show 🗑
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| show | Lumbar
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| show | Attach to each other before they attach to the sternum.
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| show | Occipital bone
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| show | Projects from
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| show | Articulates
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| show | Surgical neck.
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| Teh __ bones contain openings that allow tear ducts to pass. | show 🗑
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| show | Mastoid
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| Failure of maxillary bones causes __. | show 🗑
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| Which cranial bones have coronal shaped sutures? | show 🗑
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| Which cranial bones have lambdoid shaped sutures? | show 🗑
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| show | R & L parietal bones
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| Which cranial bones have squamous shaped sutures? | show 🗑
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| show | Atlas
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| Thickest centrum w/short blunt spinous processes. | show 🗑
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| These bones have articular facets for ribs. | show 🗑
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| show | Phalanges
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| show | Radius
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| show | Cervical
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| show | Obrurator foramen.
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| The smallest short bone in the hand is the __. | show 🗑
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| show | Radius
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| The large fossa on the anterior aspect of the scapula. | show 🗑
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| Most posterior bone of the cranium. | show 🗑
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