Urinalysis and Body Fluids 6th Edition by Majorie DiLorenzo, Susan Strasinger

Exercise 37

Plasma cells seen in pleural fluid indicate:

A. Bacterial endocarditis

B. Primary malignancy

C. Metastatic lung malignancy

D. Tuberculosis infection

Step 1 of 2

Pleural fluid:

• Pleural fluid is found in the pleural cavity

• The important hematology test performed on the serous fluids is differential count of cells

• The cells available primarily in the plural fluids are macrophages, eosinophils, neutrophils, plasma cells, lymphocytes, mesothelial cells, and malignant cells

• If a pleural fluid contains plasma cells, then it indicates the plural fluid is infected by “tuberculosis”

o Tuberculosis is an infection in bacteria which attacks lungs

Therefore, the plasma cells available in the pleural fluid indicate the “tuberculosis infection”. Hence, the correct answer is option .