ASCP MLS Calculations, Reference Ranges, Equations,
Drugs for BOC || with Complete Solutions.
Sample Volume / (Sample Volume + Diluent Volume) correct answers Dilution Formula
True Positives / (True Positives + False Negatives) correct answers Sensitivity Equation
True Negatives / (True Negatives + False Positives) correct answers Specificity Equation
[Na+] + [K+] - ([Cl-] + [HCO3-]) correct answers Anion Gap Equation
A = abc
a = absorbance
b = path length
c = concentration correct answers Beer's Law
Total cholesterol - (HDL + Triglycerides/5) correct answers LDL Equation
(Standard Deviation/Mean) x 100 correct answers Coefficient of Variation Equation
(C1) (V1) = (C2) (V2) correct answers Concentration formula
(Automated WBC count x 100) / (NRBC per 100 WBCs) + 100 correct answers Corrected WBC
Count
([H+][A-])/[HA] correct answers Ka =
((TP + TN) / (TP + FP + FN + TN)) x 100 correct answers Efficiency Equation
(TP / TP + FP) x 100 correct answers Positive Predictive Value
(TN / TN + FN) x 100 correct answers Negative Predictive Value
Larger variance/smaller variance correct answers F Test
# cells counted x depth x dilution factor / total area covered correct answers Hemocytometer
Equation (#cells/mm³)
pH = pKa + log[A-]/[HA] correct answers Henderson-Hasslebalch Equation
(patient's PT value / laboratory's mean PT value)^ISI correct answers INR Equation
(# fetal cells counted / 1000 adult cells counted) x 100 correct answers Kleihauer-Betke Acid
Elution Test (% fetal cells)
, (% fetal cells x 50)/ 30 correct answers Vials of RhIG
1.86 (Na+) + (glucose)/18 + (BUN)/2.8 correct answers Osmolality Equation
(Result from lab - Peer Group Result)/Standard deviation of peer group correct answers SDI
Equation
(Hct/RBC count) x 10 correct answers MCV (fL) Eq
(Hgb/RBC count) x 10 correct answers MCH (pg) Eq
(Hgb/Hct) x 100 correct answers MCHC (g/dL) Eq
(Standard deviation of MCV/Mean MCV) x 100 correct answers RDW (%) Eq
(Reticulocyte count x reticulocyte index / maturation factor) correct answers Reticulocyte
Production Index
(# of reticulocytes counted per 1000 RBCs/1000) x 100 correct answers Reticulocyte % Eq
2 - log%T correct answers Absorbance Eq
(concentration of standard)(absorbance of unknown)/absorbance of standard correct answers
Concentration of Unknown using Absorbance Eq
(serum iron/TIBC) x 100 correct answers Transferrin Saturation
((UV)/P) x (1.73 m2 / body surface area of patient from nomogram) correct answers Creatinine
Clearance
Myoglobin correct answers This cardiac marker has an initial increase at 1 hour, peak at 2-12
hours, and a return to normal at <48 hours
CK-MB correct answers This cardiac marker has an initial increase at 4-6 hours, peak at 12-24
hours, and a return to normal at 48-72 hours
hscTn correct answers This cardiac marker has an initial increase at 4-6 hours, peak at 10-24
hours and a plateau at 2-5 days, and a return to normal at >1 week
CA 27.29 correct answers This carbohydrate tumor marker is an indicator of metastatic breast
carcinoma
CA 125 correct answers This carbohydrate tumor marker is an indicator of ovarian cancer
HE4 correct answers This carbohydrate tumor marker is an indicator of ovarian cancer and is
used to test effectiveness of treatment
Drugs for BOC || with Complete Solutions.
Sample Volume / (Sample Volume + Diluent Volume) correct answers Dilution Formula
True Positives / (True Positives + False Negatives) correct answers Sensitivity Equation
True Negatives / (True Negatives + False Positives) correct answers Specificity Equation
[Na+] + [K+] - ([Cl-] + [HCO3-]) correct answers Anion Gap Equation
A = abc
a = absorbance
b = path length
c = concentration correct answers Beer's Law
Total cholesterol - (HDL + Triglycerides/5) correct answers LDL Equation
(Standard Deviation/Mean) x 100 correct answers Coefficient of Variation Equation
(C1) (V1) = (C2) (V2) correct answers Concentration formula
(Automated WBC count x 100) / (NRBC per 100 WBCs) + 100 correct answers Corrected WBC
Count
([H+][A-])/[HA] correct answers Ka =
((TP + TN) / (TP + FP + FN + TN)) x 100 correct answers Efficiency Equation
(TP / TP + FP) x 100 correct answers Positive Predictive Value
(TN / TN + FN) x 100 correct answers Negative Predictive Value
Larger variance/smaller variance correct answers F Test
# cells counted x depth x dilution factor / total area covered correct answers Hemocytometer
Equation (#cells/mm³)
pH = pKa + log[A-]/[HA] correct answers Henderson-Hasslebalch Equation
(patient's PT value / laboratory's mean PT value)^ISI correct answers INR Equation
(# fetal cells counted / 1000 adult cells counted) x 100 correct answers Kleihauer-Betke Acid
Elution Test (% fetal cells)
, (% fetal cells x 50)/ 30 correct answers Vials of RhIG
1.86 (Na+) + (glucose)/18 + (BUN)/2.8 correct answers Osmolality Equation
(Result from lab - Peer Group Result)/Standard deviation of peer group correct answers SDI
Equation
(Hct/RBC count) x 10 correct answers MCV (fL) Eq
(Hgb/RBC count) x 10 correct answers MCH (pg) Eq
(Hgb/Hct) x 100 correct answers MCHC (g/dL) Eq
(Standard deviation of MCV/Mean MCV) x 100 correct answers RDW (%) Eq
(Reticulocyte count x reticulocyte index / maturation factor) correct answers Reticulocyte
Production Index
(# of reticulocytes counted per 1000 RBCs/1000) x 100 correct answers Reticulocyte % Eq
2 - log%T correct answers Absorbance Eq
(concentration of standard)(absorbance of unknown)/absorbance of standard correct answers
Concentration of Unknown using Absorbance Eq
(serum iron/TIBC) x 100 correct answers Transferrin Saturation
((UV)/P) x (1.73 m2 / body surface area of patient from nomogram) correct answers Creatinine
Clearance
Myoglobin correct answers This cardiac marker has an initial increase at 1 hour, peak at 2-12
hours, and a return to normal at <48 hours
CK-MB correct answers This cardiac marker has an initial increase at 4-6 hours, peak at 12-24
hours, and a return to normal at 48-72 hours
hscTn correct answers This cardiac marker has an initial increase at 4-6 hours, peak at 10-24
hours and a plateau at 2-5 days, and a return to normal at >1 week
CA 27.29 correct answers This carbohydrate tumor marker is an indicator of metastatic breast
carcinoma
CA 125 correct answers This carbohydrate tumor marker is an indicator of ovarian cancer
HE4 correct answers This carbohydrate tumor marker is an indicator of ovarian cancer and is
used to test effectiveness of treatment
