Sports Injuries and Rheumatology Flashcards
colchicine used to treat _____
inhibits ____________, which disrupts chemotaxis, phagocytosis, degranulation, and also reduces formation of LTB4
gout
microtubular polymerization
young boy with fever and bone pain =
primarily affects the _______ of _____ bones
hematogenous osteomyelitis
metaphysis
long
normal infant at birth, progresses to lethargy, poor feeding, constipation, hypotonia, puffy face, umbilical hernia, protruding tongue, large anterior fontanelle, irreversible intellectual disability risk =
common cause
why delayed
congenital hypothyroidism
iodine deficiency
maternal T4 still active
osteocytes send signals and exchange nutrients and waste products within neighboring lamellae via _____
gap junctions
_________ is a benign childhood disorder marked by severe arthritis in adult life. This _____ disorder is caused by deficiency of ___________. Accumulated homogentisic acid causes pigment deposits in connective tissue through the body, notable blue black deposits in the sclerae and ear cartilage. Urine in these patients turns _____ when exposed to air
Alkaptonuria
AR
homogentistic acid dioxygenase
black
couple, similar pruritic papulopustural rash, back recently from vacation, most likely =
G negative rod, oxidase positive, produces green pigment, almost always culprit
bug also implicated in
hot tub folliculitis
P aeruginosa
burn victims
the _____ receptor initiate the extrinsic pathway of apoptosis. Mutations here or at the ____ligand can prevent apoptosis of autoreactive lymphocytes, thereby increasing the risk of AI disorders such as SLE
Fas
Fas
C tetani produces the ______ tetanospasmin that blocks the release of inhibitory NTs from inhibitory motor interneurons in the CNS. Tetanus is prevented by immunization with ______ that triggers the production of antitoxin antibodies.
exotoxin
toxoid
3 year old, pushes up from squat, enlarged calves =
due to a mutation affecting _________
inheritance =
truncated version of dystrophin =
Duchenne muscular dystrophy; Gower’s sign
dystrophin, sarcolemma cytoskeleton linker protein
X linked p21
Becker muscular dystrophy
sitting up from supine involves external abd. obliques, rectus abdominis, and
Iliopsoas
aortic dissection, mitral valve prolapse, spontaneous pneumothorax from apical blebs, ectopia lentis, joint hypermobility, marfan body type =
protein affected is ________ and is an extracellular glycoprotein that acts as a scaffold for _____
If affected protein was collagen =
Marfan syndrome
fibrillin-1
elastin
Ehlers-Danlos
headaches, visual and muscular symptoms, enlarged temporal artery, elevated ESR =
associated =
production of ______ correlates closely with severity of disease. Treatment with monoclonal antibody _____ is effective
Giant Cell Arteritis (temporal)
polymyalgia rheumatica
IL6
tocilizumab
Substance X causes an increase in serum calcium and URINE phosphate =
receptors found on ________
causes them increase production of ______ and MCSF
also decreases the release of _______, which will increase bone turnover
calcitonin effect is ______ of this
PTH
osteoblasts
RANK-L
OPG
opposite
Achondroplasia is due to a point mutation in ______ which causes exaggerated inhibition of ______
FGFR3
endochondral ossification
cafe-au-lait spots, precocious puberty, hyperthyroidis, mutliple osteolytic appearing lesion of hip and pelvis (fibrous dysplasia) =
Gene =
causes
McCune-Albright Syndrome
GNAS
Persistent activation of Gs/cAMP
during skeletal muscle contraction, calcium is released from the SR and binds _________, thereby allowing the binding of actin to myosin
Troponin C
postural skeletal muscles such as soleus and ______ contain predominantly __________ that derive ATP primarily from oxidative (aerobic) metabolism and have l myoglobin rich, glycogen poor fibers with many mitochondria
paraspinal muscles
Type I
bone mass in adulthood is determined by peak bone mass and the rate of bone loss. __________ women have higher bone density and a lower risk of fractures than other women
African American
acute joint pain, swelling, erythema, restricted ROM, fever =
best evaluated with ________ and should be sent for crystal analysis, cell count, gram stain, and culture
acute synovitis
arthrocentesis and synovial fluid analysis
recurrent skin and mucosal bacterial infections, no pus, poor wound healing, delayed umbilical cord separation, peripheral leukocytosis with neutrophilia =
due to absence of _____
inheritence
often infected with _____ or g(-) rods
Leukocyte adhesion deficiency
CD18
AR
S aureus
knee pain with repetitive or prolonged kneeling =
obesity or overuse knee pain along medial knee =
pain between distal femur and quads, caused by a direct blow or repetitive quadriceps activity like running =
prepatellar bursitis
anserine bursitis
suprapatellar bursitis
episodes of gouty arthritis with increased serum uric acid levels, prophylactic therapy is _________ such as allopurinol or febuxostat
first line therapy during attack =
XO inhibitors
NSAIDs
childhood osteomyelitis =
sickle cell osteomyelitis =
pott disease osteomyelitis
DM, impaired mobility, or recent trauma or surgery osteomyelitis -
S aureus
salmonella
TB
polymicrobial
early muscular dystrophy in distal muscle biopsy
late
true hypertrophy
fibrofatty muscle replacement