NCLEX-PN Exam Questions - Part 46

1. Which physiologic mechanism best describes the function of the sodium-potassium pump?

A) active transport
B) diffusion
C) filtration
D) osmosis



2. Laboratory tests reveal the following electrolyte values for Mr. Smith: Na 135 mEq/L, Ca 8.5 mg/dL, Cl 102 mEq/L, and K 2.0 mEq/L. Which of the following values should the nurse report to the physician because of its potential risk to the client?

A) Ca
B) K
C) Na
D) Cl



3. A client receiving drug therapy with furosemide and digitalis requires careful observation and care. In planning care for this client, the nurse should recognize that which of the following electrolyte imbalances is most likely to occur?

A) hyperkalemia
B) hypernatremia
C) hypokalemia
D) hypomagnesemia



4. Which statement best describes electrolytes in intracellular and extracellular fluid?

A) There is a greater concentration of sodium in extracellular fluid and potassium in intracellular fluid.
B) There is an equal concentration of sodium and potassium in extracellular fluid.
C) There is a greater concentration of potassium in extracellular fluid and sodium in intracellular fluid.
D) There is an equal concentration of sodium and potassium between intracellular and extracellular fluid.



5. Which of the following instructions should a nurse give a client who is about to undergo pelvic ultrasonography?

A) 'Urinate prior to the test.'
B) 'Have someone drive you home.'
C) 'Do not drink after midnight.'
D) 'Drink plenty of water.'