ASCP MLS Calculations QUESTIONS WITH COMPLETE SOLUTIONS

Dilution Formula Correct Answer: Sample Volume / (Sample Volume + Diluent Volume) Sensitivity Correct Answer: True Positives / (True Positives + False Negatives) Specificity Correct Answer: True Negatives / (True Negatives + False Positives) Anion Gap Correct Answer: [Na+] + [K+] - [Cl-] + [HCO3-] Beer's law Correct Answer: A = abc a = absorbance b = path length c = concentration LDL cholesterol Correct Answer: Total cholesterol - (HDL + Triglycerides/5) Coefficient of Variation Correct Answer: (Standard Deviation/Mean) x 100 Concentration calculations Correct Answer: (C1) (V1) = (C2) (V2) Corrected WBC Count Correct Answer: (Automated WBC count x 100) / (NRBC per 100 WBCs) + 100 Ka Correct Answer: ([H+][A-])/[HA] Efficiency Correct Answer: ((TP + TN) / (TP + FP + FN + TN)) x 100 Positive Predictive Value Correct Answer: (TP / TP + FP) x 100 Negative Predictive Value Correct Answer: (TN / TN + FN) x 100 F test Correct Answer: (larger variance/smaller variance) Hemacytometer Correct Answer: # cells/mm^3 = # cells cou