A patient with a suspected empyema has a thoracentesis, and pleural fluid has been sent to the laboratory for examination. Which of the following constituents of the pleural fluid would be best to support a diagnosis of empyema?
A: Epithelial cells
B: Plasma proteins
C: Leukocytes
D: Erythrocytes
A: Epithelial cells
B: Plasma proteins
C: Leukocytes
D: Erythrocytes
举一反三
- What are the common leukocytes in the early stage of acute inflammation? A: Erythrocytes B: Neutrophils C: Plasma cells D: Monocytes
- If a fluid's fluid/serum protein ratio is 0.8, this fluid is____ A: transudate B: exudate C: ascites D: CSF E: pleural effusion <br/>Ⅱ. Please answer the questions briefly (5 marks each, 30 marks).
- Which of the following fluids are Newtonian fluid ( ) A: air B: water C: plasma D: gasoline E: mud
- Which of the following determines the distribution of the extracellular fluid between the plasma and interstitial spaces? A: Sodium and protein concentrations in the extracellular fluid B: Balance between hydrostatic and colloid osmotic forces C: Osmotic pressure within cells surrounding an interstitial space D: Water concentration within the interstitial spaces
- Which is correct to explain the fluid exudation? A: The intravascular fluid accumulation is termed as edema B: Exudate has two patterns, edema and transudate C: Exudate contains more blood cells, and high protein content D: Exudate is formed in the microcirculation with normal vascular permeability