A Peritoneal Dialysate Fluid Is Sent to the Laboratory for Analysis

question 24

Multiple Choice

A peritoneal dialysate fluid is sent to the laboratory for analysis. Patient history reveals an 85-year-old woman with a previous history of duodenal cancer that is in remission. The laboratician reviews the cytospin and notices many large cells that are smooth in appearance and have abundant, basophilic cytoplasm with smooth nuclear membrane, evenly distributed chromatin, and no nucleoli. What is the most probable identification of those cells?

• A) Small-cell duodenal carcinoma
• B) Reactive mesothelial
• C) Adenocarcinoma
• D) Ependymal

---

Definitions:

Least Squares Regression

A statistical method used to find the best-fitting line through a set of data points by minimizing the sum of the squares of the vertical distances of the points from the line.

Coefficient of Correlation

A mathematical gauge that assesses the strength of the bond between the relative movements of two variables.

Sum of Squares

A statistical measure that quantifies the variability or dispersion of a set of numbers by squaring their deviations from the mean.

Coefficient of Determination

A statistical measure represented by R^2, which shows the proportion of variance in the dependent variable that is predictable from the independent variables.