NCLEX Style Questions: Fluid and
Electrolytes Questions and Answers
Already Passed
A patient with heart failure is being treated with a loop diuretic. Which of the following should
the nurse monitor most closely?
a) Serum calcium
b) Serum potassium
c) Serum sodium
d) Serum glucose
✔✔ b) Serum potassium
A patient is receiving intravenous fluids for dehydration. The nurse notes that the patient’s urine
output has decreased despite adequate fluid intake. What is the nurse's priority intervention?
a) Increase fluid intake
b) Assess vital signs for signs of shock
c) Restrict fluids to avoid fluid overload
d) Monitor electrolyte levels
✔✔ b) Assess vital signs for signs of shock
1
,A nurse is caring for a patient who has received an excessive amount of IV fluids. The patient’s
sodium level is 128 mEq/L. Which symptom should the nurse be most concerned about?
a) Increased thirst and dry mouth
b) Lethargy and confusion
c) Increased blood pressure and tachycardia
d) Muscle twitching and spasms
✔✔ b) Lethargy and confusion
A patient with liver disease has a low albumin level. The nurse should be most concerned about
which electrolyte imbalance?
a) Hyperkalemia
b) Hypercalcemia
c) Hyponatremia
d) Hypermagnesemia
✔✔ c) Hyponatremia
A nurse is caring for a patient who is receiving treatment for hypercalcemia. Which of the
following is the priority intervention?
2
, a) Encourage high fluid intake
b) Administer calcium supplements
c) Monitor for signs of tetany
d) Restrict sodium intake
✔✔ a) Encourage high fluid intake
A patient with a history of excessive alcohol consumption is admitted with low serum
magnesium levels. The nurse should anticipate administering which of the following treatments?
a) Potassium supplements
b) Sodium bicarbonate
c) Magnesium sulfate
d) Calcium gluconate
✔✔ c) Magnesium sulfate
A nurse is caring for a patient who is receiving IV potassium. The nurse should monitor for
which of the following complications?
a) Hyperkalemia
b) Hypocalcemia
c) Hypoglycemia
3
Electrolytes Questions and Answers
Already Passed
A patient with heart failure is being treated with a loop diuretic. Which of the following should
the nurse monitor most closely?
a) Serum calcium
b) Serum potassium
c) Serum sodium
d) Serum glucose
✔✔ b) Serum potassium
A patient is receiving intravenous fluids for dehydration. The nurse notes that the patient’s urine
output has decreased despite adequate fluid intake. What is the nurse's priority intervention?
a) Increase fluid intake
b) Assess vital signs for signs of shock
c) Restrict fluids to avoid fluid overload
d) Monitor electrolyte levels
✔✔ b) Assess vital signs for signs of shock
1
,A nurse is caring for a patient who has received an excessive amount of IV fluids. The patient’s
sodium level is 128 mEq/L. Which symptom should the nurse be most concerned about?
a) Increased thirst and dry mouth
b) Lethargy and confusion
c) Increased blood pressure and tachycardia
d) Muscle twitching and spasms
✔✔ b) Lethargy and confusion
A patient with liver disease has a low albumin level. The nurse should be most concerned about
which electrolyte imbalance?
a) Hyperkalemia
b) Hypercalcemia
c) Hyponatremia
d) Hypermagnesemia
✔✔ c) Hyponatremia
A nurse is caring for a patient who is receiving treatment for hypercalcemia. Which of the
following is the priority intervention?
2
, a) Encourage high fluid intake
b) Administer calcium supplements
c) Monitor for signs of tetany
d) Restrict sodium intake
✔✔ a) Encourage high fluid intake
A patient with a history of excessive alcohol consumption is admitted with low serum
magnesium levels. The nurse should anticipate administering which of the following treatments?
a) Potassium supplements
b) Sodium bicarbonate
c) Magnesium sulfate
d) Calcium gluconate
✔✔ c) Magnesium sulfate
A nurse is caring for a patient who is receiving IV potassium. The nurse should monitor for
which of the following complications?
a) Hyperkalemia
b) Hypocalcemia
c) Hypoglycemia
3
