MT AAB CHEMISTRY QUESTIONS AND ANSWERS LATEST DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION ALL ANSWERS 100% ACCURATE BEST RATED A+ FOR SUCCESS

MT AAB CHEMISTRY QUESTIONS AND ANSWERS LATEST
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION ALL
ANSWERS 100% ACCURATE BEST RATED A+ FOR SUCCESS

What is the most common method for measuring sodium? - CORRECT ANSWERS Ion-
selective electrode


Which one of the following is the major intracellular cation? - CORRECT ANSWERS
Potassium


A potassium result of 6.8 mmol/L is obtained from a dialysis patient. Before reporting this
result, what is the most appropriate action? - CORRECT ANSWERS Check for hemolysis


Valinomycin can enhance the selectivity of which ISE electrode? - CORRECT ANSWERS
Potassium


Which of these potassium values would be termed hypokalemia? - CORRECT ANSWERS
3.0 mmol/L


All of the following can cause low chloride levels: - CORRECT ANSWERS Diabetic
acidosis, renal failure, and prolonged vomiting


All of the following can cause low chloride levels EXCEPT: - CORRECT ANSWERS
Dehydration


Sweat is an appropriate type of specimen for which electrolyte? - CORRECT ANSWERS
Chloride


In the colourometric-amoerometric method for chloride, how is the amount of chloride
measured? - CORRECT ANSWERS Time needed to reach the titration end point

,MT AAB CHEMISTRY QUESTIONS AND ANSWERS LATEST
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION ALL
ANSWERS 100% ACCURATE BEST RATED A+ FOR SUCCESS

In the classic Schales-Schales (mercurimetric titration) method for chloride, what substance
reacts with the indicator to form a violet color? - CORRECT ANSWERS Excess Hg++


Most of the carbon dioxide in the blood is present in which form? - CORRECT ANSWERS
Bicarbonate ion


All of the following specimens can be analyzed for carbon dioxide: - CORRECT ANSWERS
Serum, plasma, and whole blood


All of the following specimens can be analyzed for carbon dioxide EXCEPT: - CORRECT
ANSWERS Urine


Which electrolytes are within the normal range? - CORRECT ANSWERS Sodium 140,
Potassium 4.5, Chloride 100, and CO2 25


Given the following results, what is the anion gap?
Sodium 145 mmol/L
Potassium 4.0 mmol/L
Chloride 100 mmol/L
Bicarbonate 22 mmol/L - CORRECT ANSWERS (Na + K) - (Cl + HCO3)
(145 + 4.0) - (100+22) = 27


What term describes a substance that minimizes any change in hydrogen ion concentration? -
CORRECT ANSWERS Buffer


Which organ primarily regulates the level of carbon dioxide? - CORRECT ANSWERS
Lung

, MT AAB CHEMISTRY QUESTIONS AND ANSWERS LATEST
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION ALL
ANSWERS 100% ACCURATE BEST RATED A+ FOR SUCCESS


What will happen if blood is exposed to the air during specimen collection for pH and blood
gases? - CORRECT ANSWERS pCO2 decreases


Which of the following is the Henderson-Hasselbalch equation? - CORRECT ANSWERS
pH = pKa + log (salt/acid)


What is the ratio of bicarbonate:carbonic acid in normal plasma? - CORRECT ANSWERS
20:1


Lab results on a known diabetic patient revealed a decreased bicarbonate and a decreased pH.
Which acid-base disorder would most likely cause these lab values? - CORRECT
ANSWERS Metabolic acidosis


What is the normal range for pH of blood? - CORRECT ANSWERS 7.35-7.45


Which statement concerning optical density according to Beer's law is true? - CORRECT
ANSWERS It is directly proportional to the concentration


For the UV range, which of these must be employed in the spectrophotometer? - CORRECT
ANSWERS Quartz cuvette


When performing spectrophotometer quality checks, what is the holmium oxide glass filter
used to assess? - CORRECT ANSWERS Wavelength accuracy


What is the principle of flame photometry? - CORRECT ANSWERS Emission of a color
when an element is burned