OSTEOLOGY_
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| how many bones are in the skeletal system? | 206
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| what are the two divisions within the skeletal system and how many bones are in each? | axial (80) appendicular (126)
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| bone surface markings: depressions | fossa
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| bone surface markings: openings | foramen
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| how many bones are in the skull? | 22
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| what are the two divisions of bones in the skull and how many bones are in each? | cranial (8) facial (14)
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| what are the 4 major bones of the skull? | frontal, temporal, parietal and occipital
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| what is another term for the sphenoid bone and why? | the "keystone" of the skull, because it in contact with all other cranial bones
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| describe the sella turcica | saddle shape impression that contains the pituitary gland
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| function of vomer bone? | helps form nasal cavity floor
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| largest and strongest facial bone? | mandible
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| difference between suture joints and fontanel joints in the skull? | sutures are zig zag shaped joints and fontanels are membrane filled space between cranial bones
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| another term for the hyoid bone and why is it called this? | "csi bone" because it is injured in strangulation cases
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| (vertebral column) function of vertebral bodies: | bears weight
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| (vertebral column) function of inter-vertebral discs | absorbs shock
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| what are normal curves of the spine? | c-shape and serial
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| what are abnormal curves of the spine? | kyphosis, lordosis, scoliosis
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| name and describe the two parts of the intervertebral discs? | 1. annulus: fibrosis outer portion 2. nucleus pulposus: toothpaste/gel-like
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| what are the three regions of the sternum? | manubrum, body, xiphoid process
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| true ribs include: | 1-7
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| false ribs include: | 8-12
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| floating ribs include: | 11 and 12
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| 2 types of spinal stenosis? | cervical and lumbar
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| what two diseases cause vertebral fractures? | osteoporosis and osteoarthritis
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| what bones make up pectoral girdle? | anterior clavicle and posterior scapula
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| where do most fractures in the clavicle occur? | midregion
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| what are the 5 regions of the scapula? | spine, border, notch, fossa and angle
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| longest and largest upper extremity? | humerus
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| 2 necks of the humerus? and which sustains fracture? | anatomical and surgical (sustains fracture)
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| another term for forearm, what are the 2 regions included, and what is between these two regions | antebrachial, radius (thumb side) and ulna (pinky side), interosseous membrane
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| what carpal bones are included in the distal row: | 1. trapezium 2.trapezoid 3.capitate 4.hamate
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| what carpal bones are included in the proximal row: | 1. lunate 2.scaphoid 3.pisiform 4.triquetrium
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| what are the heads called on the metacarpals? | heads
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| anterior union in the pelvic girdle? | pubic symphysis
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| posterior union in the pelvic girdle? | SI (sacroiliac) joints
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| what are the bones in the coxa and where do they converge? | ilium, pubis, ischium, all three converge at the acetabulum
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| what 7 bones are included in the lower extremities? which is the weight bearing bone and which is the largest? | 1. femur (largest) 2.patella 3.fibula 4.tibia(weight bearing) 5.tarsals 6.metatarsals 7.phalanges
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| what are the 7 bones of the foot? | talus, calcanlus, cuboid, navicular, and three cuneiforms
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| what are the functions of the arches in the foot? | support and distribute weight, provide leverage
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| MLA (medial-latitudinal arch) function in flat foot? | fallen MLA
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| MLA (medial-latitudinal arch) function in claw foot? | elevated MLA
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| MLA (medial-latitudinal arch) function in club foot? | elevated MLA with twisted foot
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| what is gennvargus | bowleggedness
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| what is gennvalgus | knock knees
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