Chemistry MT AAB board exam review questions
and answers with solutions
Specimens that can be analyzed for carbon dioxide - ANSWER 1. Serum
2. Plasma
3. Whole blood
What will happen if blood is exposed to air during specimen collection for pH and blood gases? -
ANSWER p C O 2 decreases
Henderson-Hasselbalch equation - ANSWER p H = p k a + log salt / acid
What is the ratio of bicarbonate:carbonic acid in normal plasma - ANSWER 20:1
Lab results on a known diabetic patient revealed a decreased bicarbonate and decreased ph.
Which acid base disorder would most likely cause these lab values? - ANSWER Metabolic
acidosis
Decrease Bicarbonate decrease p H
Normal range for pH of blood - ANSWER 7:35 to 7:45
Beer law concerning optical density it is: - ANSWER Directly proportional to the concentration
For the ultraviolet range what part must be employed - ANSWER Quartz cuvette Quartz cuvette
When performing spectrophotometer quality checks, what is the holmium oxide glass filter used
to assess? - ANSWER Wavelength accuracy
What is the principle of flame photometry? - ANSWER Emission of a color when an element is
burned
What is the principle of atomic absorption spectrophotometry? - ANSWER It measures light
absorption of electromagnetic radiation
What is the light source in atomic absorption instrumentation - ANSWER Cathode lamp
Quenching is a disadvantage in which type of instrumentation - ANSWER Fluorometry
Which analytical method measures the amount of light scattered by the particles in solution -
ANSWER Nephelometry
p c o 2 electrode - ANSWER The actual pH of the sample has no effect
and answers with solutions
Specimens that can be analyzed for carbon dioxide - ANSWER 1. Serum
2. Plasma
3. Whole blood
What will happen if blood is exposed to air during specimen collection for pH and blood gases? -
ANSWER p C O 2 decreases
Henderson-Hasselbalch equation - ANSWER p H = p k a + log salt / acid
What is the ratio of bicarbonate:carbonic acid in normal plasma - ANSWER 20:1
Lab results on a known diabetic patient revealed a decreased bicarbonate and decreased ph.
Which acid base disorder would most likely cause these lab values? - ANSWER Metabolic
acidosis
Decrease Bicarbonate decrease p H
Normal range for pH of blood - ANSWER 7:35 to 7:45
Beer law concerning optical density it is: - ANSWER Directly proportional to the concentration
For the ultraviolet range what part must be employed - ANSWER Quartz cuvette Quartz cuvette
When performing spectrophotometer quality checks, what is the holmium oxide glass filter used
to assess? - ANSWER Wavelength accuracy
What is the principle of flame photometry? - ANSWER Emission of a color when an element is
burned
What is the principle of atomic absorption spectrophotometry? - ANSWER It measures light
absorption of electromagnetic radiation
What is the light source in atomic absorption instrumentation - ANSWER Cathode lamp
Quenching is a disadvantage in which type of instrumentation - ANSWER Fluorometry
Which analytical method measures the amount of light scattered by the particles in solution -
ANSWER Nephelometry
p c o 2 electrode - ANSWER The actual pH of the sample has no effect
