A 47-year-old woman comes to the physician because of a 3-week history of a dry cough. She does not smoke or use illicit drugs. Physical examination shows mild conjunctival hyperemia. Chest auscultation shows fine crackles in both lung fields. Laboratory studies show a total calcium concentration of 10.8 mg/dL. The results of spirometry are shown (dashed loop shows normal for comparison). Further evaluation of this patient is most likely to show an increase in which of the following?
AMast cell tryptase activity
BMonoclonal IgG titers
CAngiotensin-converting enzyme activity
DCold agglutinin titers
ENeutrophil elastase activity
A 35-year-old African-American female presents to the emergency room complaining of chest pain. She also complains of recent onset arthritis and increased photosensitivity. Physical examination reveals bilateral facial rash. Which of the following is most likely to be observed in this patient?
APain improves with inspiration
BHigh-pitched diastolic murmur
CFixed and split S2
DMid-systolic click
EPain relieved by sitting up and leaning forward
A 27-year-old Asian woman presents to her primary care physician with joint pain and a headache. She has had intermittent joint and muscle pain for the past several months in the setting of a chronic headache. She states that the pain seems to migrate from joint to joint, and her muscles typically ache making it hard for her to sleep. The patient's past medical history is non-contributory, and she is currently taking ibuprofen for joint pain. Physical exam is notable for an asymmetrical pulse in the upper extremities. The patient has lost 10 pounds since her previous visit 2 months ago. Laboratory values are notable for an elevated C-reactive protein and erythrocyte sedimentation rate. Which of the following is the best next step in management?
AMethotrexate
BRecommend exercise and optimize the patient's sleep regimen
CPrednisone
DTemporal artery biopsy
EAnti-dsDNA level
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