BLD 313 Exam 2 Comprehensive Resource To Help You Ace
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. CLIA allowable error - Correct Answer: usually the widest degree. all
assays must meet this criteria
2. Procedure used to prepare QC material - Correct Answer: 1. pool large
quantity of material
immediately analyze n=40
aliquot to individual vials
store
establish temporary QC values from the 40 results
continue testing on a scheduled basis
establish final QC value
3. Methods for storing QC material - Correct Answer: lyophilized(freeze
dry), frozen, refrigerated( 4degC)
4. Establishing temporary QC values from the 40 results - Correct Answer:
test 2 vials in duplicate for the next 10 days to check stability in storage.
temporary target (accuracy). %coefficient variable expressed as allowable
error
,5. Continue testing on a scheduled basis - Correct Answer: data
accumulation n=200
duration=2 months
6. Establish final QC value - Correct Answer: final target value. %CV
expressed as allowable error
7. Internal QC - Correct Answer: Evaluation of a single specimen on a
regular basis. Uses a known range of acceptable values.
8. External QC - Correct Answer: (proficiency testing) required by law and
conducted by certifying agent. uses blind specimens sent by the agency.
9. Suspension criteria - Correct Answer: The criteria used to (temporarily)
stop all or a portion of the testing activities after failing proficiency test.
depends on the agency.
10.Blind specimen - Correct Answer: target value is established by agency.
range of acceptable values are determined by allowable error.
11.How agencies determine target value of blind specimen - Correct
Answer: its based on definitive(actual) value, mean value within peer group,
and reference method result value.
12.Levy-jennings graph - Correct Answer: y axis: +-2SD
x axis: time
, 13.Westgard rules - Correct Answer: determination of out of control,
unacceptable performance
14.If 1 of 2 controls exceeds 2SDs - Correct Answer: continue analysis while
keeping an eye on it
15.1 of 2 controls exceeds 3SDs - Correct Answer: reject all patient results.
investigate and fix it
16.Both controls exceed 2SD on same day - Correct Answer: reject all
patient results. investigate and fix it
17.1 control exceeds 2SD twice in a row on the same side - Correct Answer:
reject all patient results. investigate and fix it
18.Difference between 2 controls exceeds 4SD - Correct Answer: reject all
patient results. investigate and fix it
19.1 control exceeds 1SD 4 times in a row on a same side - Correct Answer:
reject all patient results. investigate and fix it
20.2 controls exceed 1SD twice in a row on the same side - Correct Answer:
reject all patient results. investigate and fix it
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. CLIA allowable error - Correct Answer: usually the widest degree. all
assays must meet this criteria
2. Procedure used to prepare QC material - Correct Answer: 1. pool large
quantity of material
immediately analyze n=40
aliquot to individual vials
store
establish temporary QC values from the 40 results
continue testing on a scheduled basis
establish final QC value
3. Methods for storing QC material - Correct Answer: lyophilized(freeze
dry), frozen, refrigerated( 4degC)
4. Establishing temporary QC values from the 40 results - Correct Answer:
test 2 vials in duplicate for the next 10 days to check stability in storage.
temporary target (accuracy). %coefficient variable expressed as allowable
error
,5. Continue testing on a scheduled basis - Correct Answer: data
accumulation n=200
duration=2 months
6. Establish final QC value - Correct Answer: final target value. %CV
expressed as allowable error
7. Internal QC - Correct Answer: Evaluation of a single specimen on a
regular basis. Uses a known range of acceptable values.
8. External QC - Correct Answer: (proficiency testing) required by law and
conducted by certifying agent. uses blind specimens sent by the agency.
9. Suspension criteria - Correct Answer: The criteria used to (temporarily)
stop all or a portion of the testing activities after failing proficiency test.
depends on the agency.
10.Blind specimen - Correct Answer: target value is established by agency.
range of acceptable values are determined by allowable error.
11.How agencies determine target value of blind specimen - Correct
Answer: its based on definitive(actual) value, mean value within peer group,
and reference method result value.
12.Levy-jennings graph - Correct Answer: y axis: +-2SD
x axis: time
, 13.Westgard rules - Correct Answer: determination of out of control,
unacceptable performance
14.If 1 of 2 controls exceeds 2SDs - Correct Answer: continue analysis while
keeping an eye on it
15.1 of 2 controls exceeds 3SDs - Correct Answer: reject all patient results.
investigate and fix it
16.Both controls exceed 2SD on same day - Correct Answer: reject all
patient results. investigate and fix it
17.1 control exceeds 2SD twice in a row on the same side - Correct Answer:
reject all patient results. investigate and fix it
18.Difference between 2 controls exceeds 4SD - Correct Answer: reject all
patient results. investigate and fix it
19.1 control exceeds 1SD 4 times in a row on a same side - Correct Answer:
reject all patient results. investigate and fix it
20.2 controls exceed 1SD twice in a row on the same side - Correct Answer:
reject all patient results. investigate and fix it
