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How many bones in the axial skeleton?
80
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What three bone regions are part of the axial?
- skull
- vertebral column
- bony thorax
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________ reabsorb and remodel forming bone.
osteoclasts
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Increase in length of a long bone occurs by cartilaginous, ______ growth at the epiphyseal plate.
interstitial
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Partial older osteons are referred to as _______ lamellae.
concentric
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The narrow channels connecting neighboring lacunae are ______.
Volkmann's canals
canaliculi
mesenchyme
canaliculi
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How many cranial bones?
8
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How many facial bones?
14
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How many vertebrae are there?
26
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Which bones articulate with the coronal suture?
between parietal and frontal bone anteriorly.
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Which suture splits the parietal bones in half?
sagittal
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Which suture is found where the parietal bones meet the occipital bone?
lambdoid
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The squamous suture is located where?
where the parietal and temporal bones meet.
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Which bone is divided into the squamous, tympanic, mastoid and petrous regions?
temporal
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Which bones form the orbits?
frontal, sphenoid, zygomatic, maxilla, palatine, lacrimal, and ethmoid.
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What part of the sternum is most commonly fractured during CPR?
zyphoid process
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Where is the occipital bone located?
posterior of the head
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Which bone is the "butterfly" shaped?
sphenoid
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The ethmoid bone is located?
between the nasal cavity and the orbits
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Which two facial bones are unpaired?
mandible and vomer
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Which bone does not articulate with any other bone?
hyoid
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The pectoral girdle consists of the anterior ________ and the posterior ______.
clavicle, scapulae
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The hip is formed by a pair of bones called the _____.
coxal/os coxae
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What 3 bones form the bony pelvis?
coxal, coccyx and sacrum
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What 3 parts form the coxal?
ilium, ischium, pubis
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ESSAY! Female vs. male pelvis.
- Female- tilted forward, true pelvis is broad, shallow.
- Male- less tilt forward, adapted for support of heavier male build and stronger muscles, cavity is narrow and deep.
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Femur articulates with the ____ proximally and with the _____ and ________ distally.
hip, tibia and fibula
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Tarsus articulates with the ___ and _______ superiorly and the ______ inferiorly.
tibia, fibula, calcaneus
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what is scoliosis?
A curve to the spine, (left/right)
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Which spinal curvature is nicknamed "hunchback" or convex curve?
scoliosis
kyphosis
lordosis
kyphosis
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Which spinal curvature is nicknamed "swayback" or associated with pregnant women (concave)?
scoliosis
kyphosis
lordosis
Lordosis
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How many true ribs, false ribs and floating ribs are there?
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Name the carpal bones.
- She - Scaphoid
- Looks - Lunate
- Too - Triquetrum
- Pretty - Pisiform
- now back to thumb side
- Try - Trapezium
- To - Trapezoid
- Catch - Capitate
- Her - Hamate
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Name the tarsals.
- Cute
- Tillie
- Never
- Could
- Cooperate
- From the back forward
- Calcaneus - heel bone
- Talus - weight bearing bone
- Navicular - boat shaped
- Cuboidal
- Cuneiforms (x 3) - medial, intermediate, lateral
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The femur is the only bone that has this major marking.
condyles
trochanter
sesamoid
trochanter
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What is the difference between an open and closed fracture?
- Open- skin broken
- Closed- skin unbroken
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Difference between complete and incomplete?
- complete- bone broken in two or more peices.
- incomplete- fracture only partway through the bone.
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Nondisplaced and displaced?
- nondisplaced- still in correct position
- displaced-out of alignment
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What is a comminuted fracture?
bone broken into 3 or more pieces.
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Where does a colles fracture occur?
distal end of the radius and ulna
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where does a pott fracture occur?
distal end of the tibia, fibula or both
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Describe a linear and transverse fracture.
- linear- parrallel to the long axis of the bone
- transverse- perpendicular to long axis
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Compound and simple fractures?
- compound- bone ends penetrate skin
- simple- bone ends do not penetrate the skin
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What is a spiral fracture?
ragged break, twisting
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depressed and compression fractures?
- depressed- bone pressed inward-skull fracture
- compression- crushed
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Greenstick fracture?q
one side breaks other side bends, typical in children
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