nur340 exam 2

Hypomagnesemia is a common yet often overlooked imbalance in acutely and critically ill patients. Which of the following patients is most likely at the highest risk of experiencing low serum magnesium levels?

a female patient who has liver cirrhosis and who is experiencing withdrawal from heavy alcohol use

Upon shift report, the nurse states the following laboratory values: pH, 7.44; PCO2, 30mmHg; and HCO3,21 mEq/L for a client with noted acid-base disturbances. Which acid-base imbalance do both nurses agree is the client's current state?

compensated respiratory alkalosis

A patient with a diagnosis of colon cancer has undergone a bowel resection with the creation of an ileostomy. The patient's ileostomy output has been unexpectedly high in the 2 days since surgery, and the patient's most recent blood work indicates a K+ level of 2.7 mEq/L. This potassium level should prompt the nurse to assess for which of the following physical manifestations?

fatigue, cramps, and weakness

A nurse is caring for a client in acute renal failure. The nurse should expect hypertonic glucose, insulin infusions, and sodium bicarbonate to be used to treat:

hyperkalemia

An elderly client takes 40 mg of furosemide twice a day. Which electrolyte imbalance is the most serious adverse effect of diuretic use?

hypokalemia

Oral intake is controlled by the thirst center, located in which of the following cerebral areas?

hypothalamus

The nurse is instructing a client with recurrent hyperkalemia about following a potassium-restricted diet. Which statement by the client indicates the need for additional instruction?

i will not salt my food; instead ill use salt substitute

The nurse is reviewing client lab work for a critical lab value. Which value is called to the physician for additional orders?

potassim 5.8

A client admitted with acute anxiety has the following arterial blood gas (ABG) values: pH, 7.55; partial pressure of arterial oxygen (PaO2), 90 mm Hg; partial pressure of arterial carbon dioxide (PaCO2), 27 mm Hg; and bicarbonate (HCO3-), 24 mEq/L. Based on these values, the nurse suspects

respiratory alkalosis

which of the following arterial blood gas results would be consistent with metabolic alkalosis?

serum bicarbonate of 28

A client is diagnosed with hypocalcemia and the nurse is teaching the client about symptoms. What symptom would the nurse include in the teaching?

tingling sensation in the fingers