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Chronic Conditions Exam 3
Osteoporosis
18
Other
Not Applicable
02/28/2005

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Cards

Term
Osteoblasts
Definition
form new bone
Term
osteoclasts
Definition
resorb bone
Term
What are the three influences on the process of bone remodeling?
Definition
Mechanical stresses, calcium and phosphate levels in extracellular fluid, Hormonal levels of PTH, calcitonin, vit D, cortisol, GH, thyroid hormone, sex hormone
Term
Osteoporosis
Definition
Decrease in bone mass per unit of bone volume.
Term
What are some causes of secondary osteoporosis? (4)
Definition
Hyperthyroidism, hypognadism, diabetes, RA
Term
At what age does bone mass peak?
Definition
between 25 and 35 years
Term
Why is osteoporosis risk increased after menopause?
Definition
Uncreased estrogen production.
Term
Is increased, or decreased estrogen levels associated w/ osteoporosis?
Definition
Both!
Term
What are the 9 major risk factors for osteoporosis?
Definition
Age (>50), Female, heredity, race, weight, smoking, alcohol abuse, inactivity, medications.
Term
How does alcohol abuse put one at risk for osteoporosis? (2)
Definition
Unhibits osteoblastic activity. Inhibits Ca resorption.
Term
How do corticosteriods put one at risk for osteoporosis? (prolonged use) (2)
Definition
impairs osteoblastic activity. Impairs vit D dependent Ca absorption.
Term
What are the clinical manifestations of osteoporosis? (3)
Definition
Back Pain, fractures, postural changes (maybe)
Term
Diagnosis of osteopor. occurs after what event, usually?
Definition
after a fracture occurs
Term
What are the most common fracture sites?
Definition
vertebral bodies, ribs, radius, femur.
Term
What changes in bone occur w/ osteop? (2)
Definition
thinning of cortical bone, decreased trabeculae.
Term
What are the major treatment steps for osteop?
Definition
Prevention, Elimination of modifiable risk factors (smoking, diet, alcohol consumption), exercise, lifestyle changes, hormone replacement therapy, supplements
Term
what does calcitonin do?
Definition
suppresses osteoclastic activity.
Term
What will PT treatment focus on? (7)
Definition
exercise, flexibilty, balance, strength, assistive devices, risks for falls at home, education.
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