Reference no: EM132542722

1) In Westgard multirule, what is the meaning of R4s?

a. The control values exceed 4s due to systematic errors
b. The difference between the upper and lower limit exceeds 4s due to random error
c. The difference between the upper and lower limit exceeds 4s due to systematic error
d. The control values exceed 4s due to random error

2) Which of the following is INCORRECTLY matched?

a. Systematic error- sample instability
b. Random error- changes in standard materials
c. Systematic error- improper calibration
d. Random error- mislabelling of sample

3) In flame emission photometry, the concentration of the analyte is directly proportional to the amount of light ____________:

a. Emitted by the flame
b. Emitted by the analyte
c. Absorbed by the flame
d. Absorbed by the analyte
e. NOTA

4) Which of the following is NOT correct regarding specimen collection?

a. Tourniquet is applied for no more than one minute
b. Using isopropyl alcohol wipes for disinfection when drawing blood for alcohol levels
c. Using a site below the IV site if IV infusion cannot be discontinued for a short time
d. Use of a fasting specimen for TAG analysis
e. Two of the above

5) Analytical testing performed outside the confines of the central laboratory, usually by nonlaboratorian personnel (nurses, respiratory therapists etc.)

1. Point of care testing (POCT)
2. Decentralized testing
3. Near-patient testing
4. Alternate site testing

a. 1 and 3
b. 2 and 4
C. 1, 2 and 3
d. 1, 2, 3 and 4