AAB MT- CHEMISTRY-
ELECTROLYTES EXAM QUESTIONS
AND ANSWERS 2026
Sodium - ANSWERSWhat is the major extracellular cation?
Aldosterone - ANSWERSWhich hormone acts on the distal convoluted tubule to
increase sodium reabsorption?
Saline Contamination - ANSWERSThe following metabolic panel results are available
on ICU patient
Glucose 90mg/dL
BUN 15mg/dL
Creatinine 1.0 mg/dL
Sodium 165 mmol/L
Potassium 3.5 mmol/L
Chloride 125 mmol/L
Carbon dioxide 25 mmol/L
Chloride - ANSWERSSweat is an appropriate type of specimen for which electrolyte?
time needed to reach the titration end point - ANSWERSIn the coulometric-
amperometric method for chloride, how is the amount of chloride measured?
excess Hg++ - ANSWERSIn the classic Schales-Schales (mercurimetric titration)
method for chloride, what substance reacts with the indicator to form a violet color?
bicarbonate ion - ANSWERSMost of the carbon dioxide in the blood is present in which
form?
ion-selective electrode - ANSWERSWhat is the most common method for measuring
sodium?
Potassium - ANSWERSWhich one of the following is the major intracellular cation?
Check for hemolysis - ANSWERSA potassium result of 6.8 mmol/L obtained from a
dialysis patient. Before reporting this result, what is the most appropriate action?
Potassium - ANSWERSValinomycin can enhance the selectivity of which ISE
electrode?
ELECTROLYTES EXAM QUESTIONS
AND ANSWERS 2026
Sodium - ANSWERSWhat is the major extracellular cation?
Aldosterone - ANSWERSWhich hormone acts on the distal convoluted tubule to
increase sodium reabsorption?
Saline Contamination - ANSWERSThe following metabolic panel results are available
on ICU patient
Glucose 90mg/dL
BUN 15mg/dL
Creatinine 1.0 mg/dL
Sodium 165 mmol/L
Potassium 3.5 mmol/L
Chloride 125 mmol/L
Carbon dioxide 25 mmol/L
Chloride - ANSWERSSweat is an appropriate type of specimen for which electrolyte?
time needed to reach the titration end point - ANSWERSIn the coulometric-
amperometric method for chloride, how is the amount of chloride measured?
excess Hg++ - ANSWERSIn the classic Schales-Schales (mercurimetric titration)
method for chloride, what substance reacts with the indicator to form a violet color?
bicarbonate ion - ANSWERSMost of the carbon dioxide in the blood is present in which
form?
ion-selective electrode - ANSWERSWhat is the most common method for measuring
sodium?
Potassium - ANSWERSWhich one of the following is the major intracellular cation?
Check for hemolysis - ANSWERSA potassium result of 6.8 mmol/L obtained from a
dialysis patient. Before reporting this result, what is the most appropriate action?
Potassium - ANSWERSValinomycin can enhance the selectivity of which ISE
electrode?
