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14 Cards in this Set
- Front
- Back
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Acid-base compensation in metabolic acidosis
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respiratory, 1.2 mmHg decrease in PCO2 per 1 mM decrease in HCO3
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Acid- Base compensation in Metabolic alkalosis
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respiratory- .7 mmHg increase per 1 mM increase in HCO3
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Acid-base compensation in respiratory acidosis
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renal, 3.5 mM increase in HCO3 per 10 mmHg increase in CO2
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acid base compensation in respiratory alkalosis
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renal, 5 mM decrease in HCO3 per 10 mmHg decrease in PCO2
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how many decimals to carry it to?
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pH to 2 decimals
CO2 and HCO3 to one decimal |
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What is an osteoblast
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bone forming cells
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osteoclast?
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bone destroying cell
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osteocyte?
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bone cell
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Bones
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1. support overall
2. Protection-skull, vertebrae, ribs 3. Movement-muscles attached to bone 4. Mineral storage- stores Ca and Phosphorus salts with calcium being important one 5. blood cell forming-hematopoesis |
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How are bones classified?
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Long bones, short bones which are spongy, flat bones like skull-two compact bones wtih spongy bone in center, irregualr bone- hip, vertabrae
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describe long bones
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compact with marrow in the shaft- long part-diayphysis
ends are called epiphysis these will remodel according to weight bearing., membrane protection perosteum surrounds outside of bone, epimysteum- membrane on inside |
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Hematopoiectic tissue
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Marrow within the shaft of the long bones, irregular bones and flat bones- in the spongy part
newborn-medullary cavity contains red marrow-once not needed, turns yellow to fat like in adults |
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where is yellow marrow found in adults?
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flat bones of the sternum
irregular bones of the hip head of the femur and humerus |
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bone composition
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organic- osteocytes, osteoblasts and osteoclasts
1/3 of bone matrix organic- made of collagen and proteoglycans- adds flexibility inorganic 2/3 of matrix made of hydroxyapites (mineral salts of calcium, phophate) these things give bones its hardness |
