Flashcards in 6/21/13 Deck (18):
Are large or small joints typically involved in pauciarticular JRA?
Which joint is never involved in pauciarticular JRA?
What is the most common cause of hip pain in children?
Heparin activates _______, whcich in turn inactivates thrombin, factor IXa, and factor Xa.
Clopidogrel is an antiplatelet agent that prevents platelet activation by binding to platelet surface _______ receptors.
What is the mechanism of myxedema, the phenomenon which causes carpal tunnel syndrome and various other manifestations of hypothyroidism (and Graves disease)?
widespread deposition of matrix substances (glycosaminoglycans, mucopolysaccharides)
What is the mech by which pregnancy can cause carpal tunnel syndrome?
fluid accumulation in the carpal tunnel.
What is the mech by which acromegaly can cause carpal tunnel syndrome?
synovial tendon hyperplasia
What is the mech by which RA can cause carpal tunnel syndrome?
How do cavernous hemangiomas present?
as soft blue compressible masses up to a few cm in size
How is acute pancreatitis d/t alcoholism usu. treated?
conservatively (analgesics, Abx, and NPO)
What Abx may be used for the outpatient Tx of community-acquired pneumonia (in stable, healthy pts)?
azithromycin or doxycycline
(Give 'em da Z-pack for dat pneumococc!)
What is the drig of choice for uncomplicted cystitis and sinusitis?
If pt has received full course (2 doses) of HBV vaccine, but does not have positive HBsAg titers, what should be done?
Re-vaccinate (2 doses)
How long does protection from HBV vaccine last?
indefinitely (but individuals at risk can be given a single booster @ 5 yrs)
Age-related macular degeneration causes what kind of visual field loss?
Primary opn-angle glaucoma begins with deficits in which part of the visual field?