Physiology of Electrolyte Balance Study Guide Test.
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Course
EECF
Institution
EECF
Physiology of Electrolyte Balance Study Guide Test.
Which electrolyte is the principal cation in the intracellular fluid (ICF) compartment?
Sodium
Phosphate
Potassium
Calcium - CORRECT ANSWER Answer:
Potassium
Explanation:
Sodium
Sodium is the major extracellular fluid (ECF) comp...
Physiology of Electrolyte Balance Study
Guide Test.
Which electrolyte is the principal cation in the intracellular fluid (ICF) compartment?
Sodium
Phosphate
Potassium
Calcium - CORRECT ANSWER Answer:
Potassium
Explanation:
Sodium
Sodium is the major extracellular fluid (ECF) compartment cation.
Phosphate
Phosphate, although found in the ICF compartment, is negatively charged; therefore, it is an anion. It is,
however, the most abundant anion in the ICF compartment.
Potassium
Potassium is the most abundant cation found in the ICF compartment.
Calcium
Calcium is a cation; however, it is not the most abundant in the ICF or the ECF compartment.
Which body substance is most commonly used to measure the concentration of electrolytes in
milliequivalents per liter (mEq/L)?
Urine
, Blood plasma
Cerebrospinal fluid
Insulin - CORRECT ANSWER Answer:
Blood plasma
Explanation:
Urine
While electrolytes can be measured in many body substances, including urine, this is not the most
commonly used body substance.
Blood plasma
Electrolytes are most commonly measured in blood plasma or serum.
Cerebrospinal fluid
While electrolytes can be measured in many body substances, including the cerebrospinal fluid, this is
not the most commonly used body substance.
Insulin
Insulin is a hormone secreted by the pancreas. The concentration of electrolytes is not measured in this
body substance.
Which elements should the nurse include when providing patient teaching regarding the primary
functions of electrolytes within the body?
Select all that apply.
Transmitting nerve impulses
Regulating acid-base balance
Altering the action potential of nerve fibers
Maintaining fluid osmolality
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