SECTIONA
[20]
QUESTION 1
[10]
Analyze the statements below and provide the best possible answer. Only write the
question number and corresponding answer.
1.1
Name the basic SI unit for luminous intensity.
(1)
1.2
Explain the function of buffer solutions.
(1)
1.3
Identify the method for obtaining cerebrospinal fluid for clinical chemistry
(1)
analysis.
1.4
Give the formula which describes the measure of spread of numbers in a set of
(1)
data from its mean value.
1.5
A patient serum result for Total protein ran outside the linear range of the
instrument. The serum was diluted 1 in 10 and re-run. The reanalysed result is (1)
0.215mmol/L. What is the final patient result?
1.6
What name is given to a piece of laboratory equipment that utilizes the most
accurate means to measure controls, standards and patient samples in volumes (1)
:51ml?
1.7
Body temperature is 98.6°F. What is the temperature in Celsius?
(1)
1.8
List THREEchemical analytes most affected by IV contamination.
(3)
QUESTION 2
Outline the principles of the following analytical techniques:
2.1
Gas Chromatography/Mass Spectrometry (GC/MS)
2.2
Enzyme-Multiplied Immunoassay Technique (EMIT)
2.3
Two-Dimensional Electrophoresis
2.4
Ion-exchange chromatography
2.5
Atomic emission spectrophotometry
[10]
(2)
(2)
(2)
(2)
(2)
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