ENA FLUID AND ELECTROLYTES TEST
Most of the body's water content exists in which compartment?
A. Extracellular
B. Interstitial
C. Plasma
D. Intracellular - CORRECT ANSWERS-d
Which electrolyte is primarily responsible for the cell membrane potential?
A. Potassium
B. Calcium
C. Phosphate
D. Magnesium - CORRECT ANSWERS-a
What happens when the serum bicarbonate level increases?
A. The serum potassium level decreases.
B. The serum sodium level increases.
C. The serum chloride level decreases.
D. The serum magnesium level increases. - CORRECT ANSWERS-c
A patient displays carpal spasms when the nurse inflates a blood pressure cuff on his
upper arm. In this patient, which finding is most likely?
A. Decreased magnesium level
B. Increased calcium level
C. Decreased phosphate level
D. Increased potassium level - CORRECT ANSWERS-a
Which factor increases potassium excretion by the kidneys?
A. An increased intracellular potassium level
B. An increased aldosterone level
C. Decreased distal tubular flow
D. An increased sodium level - CORRECT ANSWERS-b
In adults, the use of which vein increases the patient's risk of embolism and phlebitis?
A. Saphenous vein
B. Dorsal vein of the hand
C. Femoral vein
D. External jugular vein - CORRECT ANSWERS-a
, Which condition can cause an extracellular fluid volume excess?
A. Diarrhea
B. High fever
C. Renal failure
D. Intestinal obstruction - CORRECT ANSWERS-c
For a patient with persistent hypokalemia, the nurse should check which electrolyte
level?
A. Magnesium
B. Calcium
C. Chloride
D. Phosphate - CORRECT ANSWERS-a
Which electrolyte is primarily responsible for osmotic pressure?
A. Sodium
B. Chloride
C. Bicarbonate
D. Potassium - CORRECT ANSWERS-a
Calcium is essential for which function?
A. Conversion of angiotensin I to angiotensin II
B. Amino acid movement across cell membranes
C. Smooth and skeletal muscle contraction
D. Protein metabolism - CORRECT ANSWERS-c
In a patient with salicylate intoxication, which substance is likely to be elevated?
A. Bicarbonate
B. Sodium
C. Chloride
D. Calcium - CORRECT ANSWERS-c
Which condition can cause an extracellular fluid volume deficit?
A. The syndrome of an inappropriate antidiuretic hormone
B. Diabetes insipidus
C. Cushing syndrome
D. The long-term use of corticosteroids - CORRECT ANSWERS-b
Which treatment is appropriate for hypermagnesemia?
A. Calcium gluconate
Most of the body's water content exists in which compartment?
A. Extracellular
B. Interstitial
C. Plasma
D. Intracellular - CORRECT ANSWERS-d
Which electrolyte is primarily responsible for the cell membrane potential?
A. Potassium
B. Calcium
C. Phosphate
D. Magnesium - CORRECT ANSWERS-a
What happens when the serum bicarbonate level increases?
A. The serum potassium level decreases.
B. The serum sodium level increases.
C. The serum chloride level decreases.
D. The serum magnesium level increases. - CORRECT ANSWERS-c
A patient displays carpal spasms when the nurse inflates a blood pressure cuff on his
upper arm. In this patient, which finding is most likely?
A. Decreased magnesium level
B. Increased calcium level
C. Decreased phosphate level
D. Increased potassium level - CORRECT ANSWERS-a
Which factor increases potassium excretion by the kidneys?
A. An increased intracellular potassium level
B. An increased aldosterone level
C. Decreased distal tubular flow
D. An increased sodium level - CORRECT ANSWERS-b
In adults, the use of which vein increases the patient's risk of embolism and phlebitis?
A. Saphenous vein
B. Dorsal vein of the hand
C. Femoral vein
D. External jugular vein - CORRECT ANSWERS-a
, Which condition can cause an extracellular fluid volume excess?
A. Diarrhea
B. High fever
C. Renal failure
D. Intestinal obstruction - CORRECT ANSWERS-c
For a patient with persistent hypokalemia, the nurse should check which electrolyte
level?
A. Magnesium
B. Calcium
C. Chloride
D. Phosphate - CORRECT ANSWERS-a
Which electrolyte is primarily responsible for osmotic pressure?
A. Sodium
B. Chloride
C. Bicarbonate
D. Potassium - CORRECT ANSWERS-a
Calcium is essential for which function?
A. Conversion of angiotensin I to angiotensin II
B. Amino acid movement across cell membranes
C. Smooth and skeletal muscle contraction
D. Protein metabolism - CORRECT ANSWERS-c
In a patient with salicylate intoxication, which substance is likely to be elevated?
A. Bicarbonate
B. Sodium
C. Chloride
D. Calcium - CORRECT ANSWERS-c
Which condition can cause an extracellular fluid volume deficit?
A. The syndrome of an inappropriate antidiuretic hormone
B. Diabetes insipidus
C. Cushing syndrome
D. The long-term use of corticosteroids - CORRECT ANSWERS-b
Which treatment is appropriate for hypermagnesemia?
A. Calcium gluconate
