Term
| bone, cartilage, tendons, ligaments and neurovascular strutures are components of the |
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| The skeletal system develops via a process known as ossification, in which bones are created from preexisting mesoderm. By which of the following processes do the long bones ossify? |
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Definition
| Osteoblasts deposit minerals over a hyaline cartilage mold |
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Term
bone forms directly from mesoderm
Frontal, parietal, maxilla, zygomatic, mandible |
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Definition
| Intramembranous ossification |
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mesoderm> cartilage model> bone forms at 1 ossif. ctr.
Long bones, sphenoid, ethmoid vertebrae, sternum ribs |
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Definition
| Endochondral ossification |
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| fracture healing requires what type of blood supply |
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| the enzyme that is used by osteoclasts to break down bone |
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| the steps of fracture healing involving endochondral ossification. |
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Definition
1. Inflammation
2. Repair- soft callus(cartilage), hard callus (bone)
3. remodeling |
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Term
| OSTEOCLASTS HAVE RECEPTORS FOR ONLY…. |
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| when do women reach bone maturity and what is it? |
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Definition
| maturity is the closing of the epiphyseal plates and for women they reach maturity 2 years after the onset of menstruation |
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Definition
1. physis
2. epiphysis
3. metaphysis
4. diaphysis |
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Term
| the part of the bone that is covered with cartilage |
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Definition
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| if a fracture involving the epiphysis is not corrected surgically what can result |
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| a hip problem that can occur in heavy set children can cause hip and knee pain |
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Definition
| slip capital femural epiphysis |
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Term
| ) A 13-month old boy is admitted to the hospital with a broken tibia. This is the pt’s 4th broken bone. On PE, there are multiple poorly healing wounds on his limbs; he also has a blue tint to his sclerae. The pt is diagnosed with the most popular form of this disease. Which of the following would also most likely be affected? |
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| bone and annulus fibrosis |
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| acts like the glue holding things together |
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| an autosomal dominant defect in type I collagen synthesis |
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| during physical examination yo must |
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| the radiograph must be from |
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| transverse, oblique, and comminuted |
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| An otherwise healthy infant boy born via a vaginal delivery has an abnormal appearance of his right upper limb. His arm hangs by his side, pronated and medially rotated. Which of the following muscles is still functioning in this patient? |
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Definition
| the triceps because the arm is protonated. the child has erb-duchenne palsy |
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Term
| ) A 45 yr old computer programmer notices atrophy and weakness of his thumb. Labs reveal inc. ESR and WBCs. Sensation to which of the following cutaneous areas is likely to be decreased? |
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Definition
| palmar ascpect of the 2nd digit |
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Term
| Physical examination of what nerve should be performed and documented prior to and after reduction of an anterior shoulder dislocation? |
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Definition
Status of the axillary nerve
Posterior cord of the brachial plexus
C5, C6 &C7 motor contribution- shoulder abduction
Sensation over lateral aspect of the shoulder (deltoid |
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Term
| Physical examination of what nerve should be performed and documented prior to and after reduction of an anterior shoulder dislocation? |
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Definition
Status of the axillary nerve
Posterior cord of the brachial plexus
C5, C6 &C7 motor contribution- shoulder abduction
Sensation over lateral aspect of the shoulder (deltoid |
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