Module 2 Flashcards
Fundamentals in Laboratory Medicine
1
Q
Occur prior to specimen testing
A
Pre-analytical Variables
2
Q
- identification
- age
- sex
- dietary intake
- treatment
- physiological changes
A
Patient
3
Q
- type of sample
- type of tube additive
- hemolysis
- contamination
A
Sample Collection
4
Q
- storage
- timing
- transportation
- preparation
- centrifugation
- stability
- temperature
A
Processing
5
Q
Diagnostic Process that could produce a lot of errors
A
Pre-analytical Phase
6
Q
Color of Sodium citrate tube
A
Blue Cap
7
Q
Color of Serum tubes
A
Red or Gold
8
Q
Color of Heparin tube
A
Dark Green or Light Green
9
Q
Color of EDTA tube
A
Lavender, Pearl, or Pink
10
Q
Color of Sodium fluoride / Potassium Oxalate
A
Gray
11
Q
Sample rejection criteria of the emergency laboratory
A
- Improper test requests
- Inappropriate transport
- Specimens without barcode
- Improper container
- Misidentification
- Insufficient specimen volume
- Incorrect preservation
- Lipemic specimen
- Hemolyzed specimen
- Clotted samples with fibrin
12
Q
Diagnostic Process that occurs during actual testing of the specimen
A
Analytical Variables
13
Q
Diagnostic Process that occurs after test result is generated
A
Post-analytical Variables
14
Q
Post-Analytical Variables
A
- Wrong entry of test results
- Doctor/Ward Staff not informed about abnormal results in time
- Report signed without confirming result
- Delayed turnaround time
15
Q
Patient Identification
A
- The most serious error is failure to properly identify patient
- Two patient identifiers must be present (Name and identification number such as birthday)