Which laboratory value would indicate that the effusions are a result of her known diagnosis of SLE?
A. Pleural fluid to serum protein ratio less than 0.5 Wrong Choice!
B. Pleural fluid LDH less than two-thirds the upper limit of normal serum LDH Wrong Choice!
C. Pleural fluid to serum LDH ratio greater than 0.6 Correct Choice
D. Pleural fluid cholesterol less than 45 mg/dL Wrong Choice!
Answer:C
Which laboratory value would indicate that the effusions are a result of her known diagnosis of SLE?
A. Pleural fluid to serum protein ratio less than 0.5 Wrong Choice! B. Pleural fluid LDH less than two-thirds the upper limit of normal serum LDH Wrong Choice! C. Pleural fluid to serum LDH ratio greater than 0.6 Correct Choice D. Pleural fluid cholesterol less than 45 mg/dL Wrong Choice!