RRB LA UT07 – Quality Assurance & QC Practice Test (IQC, EQAS, Westgard Rules)

About this Assessment

About This Practice Test:
This online practice test covers essential Quality Assurance (QA) and Quality Control (QC) standards for clinical laboratory examinations. Built strictly for RRB Paramedical CBT candidates, it provides targeted questions to revise Internal Quality Control (IQC), External Quality Assessment Schemes (EQAS), Levey-Jennings plots, and Westgard multi-rules (1_2s, 1_3s, 2_2s, R_4s, 10_x). It also examines standard pre-analytical, analytical, and post-analytical laboratory error detection.

 Syllabus Covered:
– Accuracy, Precision, Analytical Sensitivity, and Specificity principles
– Standard Deviation (SD), Variance, and Coefficient of Variation (CV%) formulas
– Levey-Jennings (L-J) control chart interpretation and baseline Gaussian distributions
– Westgard Multi-Rule System: 1_2s warning, 1_3s rejection, 2_2s bias, R_4s random spread, and 10_x shifts
– Systematic errors (Analytical Shift and Trend) vs. Random analytical errors
– External Quality Assessment Schemes (EQAS / PT surveys) and Z-score (SDI) evaluation
– Total testing process errors: Pre-analytical, analytical, and post-analytical categorization
– Micropipette gravimetric calibration, Delta Checks, Critical Panic Value alerts, and ISO 15189 standards

Applicable Examinations:
– RRB Paramedical Recruitment (Laboratory Assistant Grade II, CEN 05/2026)
– Central Recruitment Boards: DSSSB Lab Technician, ESIC MLT, AIIMS Laboratory Technician, CGHS
– State Medical Faculty & Paramedical Board Laboratory Technician Examinations

 Test Instructions & Features:
– 30 Questions | Timed CBT Test (1 Minute per Question)
– 1 Mark per Question | 1/3rd Negative Marking (-0.33)
– Fully Bilingual (English & Hindi) with Academic Parity
– Step-by-Step Technical Explanations for Every MCQ
– Instant Scorecard, Time Tracking & Analytical Breakdown on Solotutes.com