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CCC NURS275 ORTHOPEDICS EXAM QUESTIONS AND ANSWERS
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CCC NURS275 ORTHOPEDICS EXAM QUESTIONS ANDANSWERS
What is the single most important predictor for falls? - ANSWER A recent history
of falling.
What are three possible signs of hip dislocation post-surgery? - ANSWER
Increased hip pain
Shortening of the affected leg
Leg rotation
What are the four major muscle enzymes affected in skeletal muscle disease or
injury?
What other enzyme is affected by bone or liver damage? - ANSWER
Creatine-kinase (CK-MM)
AST
Alsolase (ALD)
Lactic dehydrogenase (LDH)
Also Alkaline phosphatase (ALP)
How is ALP related to bone damage/disease? - ANSWER Alkaline Phosphatase
(ALP) exists in the blood normally. It increases during bone damage or disease, as
it leaks into the bloodstream.
How is Creatine-kinase (CK-MM) related to muscle damage/disease? - ANSWER
Serum CK-MM levels rise within 2-4 hours after muscle injury.
Inaccuracies may be due to exercise, and certain drugs, and muscle diseases.
How is AST related to muscle damage/disease? - ANSWER It is moderately
elevated in certain muscule diseases, such as muscular dystrophy.
, How is LDH related to muscle damage/disease? - ANSWER Elevations may
indicate muscle trauma, progressive muscular dystrophy.
How is Aldolase (ALD) related to muscle damage/disease? - ANSWER Elevations
may indicate muscular dystrophy, or polymyositis or dermatomyositis.
What might be indicated by hyercalcemia? - ANSWER Bone fractures in healing
stage
metastaic cancers of the bone
Paget's disease - enlarged and/or misshapen bones - usually disorganized bone
remodelling
Why might be indicated by hypocalcemia? - ANSWER Osteoporosis - weakened
and brittle bones
Osteomalacia - softening of bones
What might be indicated by elevated phosphorus/hyperphosphatemia? - ANSWER
Bone fractures in healing stage
Bone tumors
Acromegaly - growth of bones after puberty
What might be indicated by lowered levels of phosphorus/hypophosphatemia? -
ANSWER Osteomalacia - softening of bones, often from Vit D deficiency
What is the highest priority for nursing care post-arthroscopy? - ANSWER
Assessing neurovascular status of the affected limb hourly, or more often as
indicated by agency or surgeon.
What is the single more effective exercise for osteoporosis prevention? - ANSWER
Walking 30 minutes three to five times a week.
What classifications of medications are there for treatment of osteoporosis? -
ANSWER Bisphosphonates - slow bone reabsorption
Calcitonin
Estrogen agonist/antagonists
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