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150530 Radiology

Radio graphical findings in Freiberg disease is:

ADepending on the stage of the disease, radiographs may show only sclerosis and widening of the joint space (early), with complete collapse of the metatarsal head and fragmentation later
BOblique views may be especially useful to fully appreciate subtle changes early in the disease
COsteochondral loose may be seen late in the disease as well
DAll are true
Radiology
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150531 Unknown

Each patient below is alert and oriented and has a BP110/60. In which patient would adenosine constitute appropriate initial therapy?

AA 65-year old man with no ischemic heart disease and wide complex tachycardia
BA 65 -year old woman with known ischemic disease and narrow complex tachycardia
CA 25-year old woman with known preexcitation syndrome and narrow complex tachycardia
DA 28-year-old man with known preexictation syndrome and wide complex tachycardia
Unknown
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150532 Biochemistry

An individual who has been treated for type 2 diabetes for the past 24 years had, as part of his annual physical, a 24-hour urine collection. Reduced levels of creatinine were found, which is most likely because of which one of the following?

AA decreased dietary intake of creatine
BA higher-than-normal muscle mass resulting from weightlifting
CA genetic defect in the enzyme that converts creatine phosphate to creatinine
DKidney failure
Biochemistry
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