NUR 125 Brunner and Suddarth PrepU Chapter 10: Fluid and Electrolytes

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The nurse is caring for a client with severe diarrhea. The nurse recognizes that the client is at risk for developing which acid-base imbalance?

Metabolic acidosis

Which set of arterial blood gas (ABG) results requires further investigation?

pH 7.49, PaCO2 30 mm Hg, PaO2 89 mm Hg, and HCO3- 18 mEq/L

A client with Guillain-Barré syndrome develops respiratory acidosis as a result of reduced alveolar ventilation. Which combination of arterial blood gas (ABG) values confirms respiratory acidosis?

pH, 7.25; PaCO2 50 mm Hg

The nurse is caring for a client diagnosed with bulimia. The client is being treated for a serum potassium concentration of 2.9 mEq/L (2.9 mmol/L). Which statement made by the client indicates the need for further teaching?

"I can use laxatives and enemas but only once a week."

A client is to receive hypotonic IV solution in order to provide free water replacement. Which solution does the nurse anticipate administering?

0.45% NaCl

Which solution is hypotonic?

0.45% NaCl

At which serum sodium concentration might convulsions or coma occur?

130 mEq/L (130 mmol/L)

The nurse is caring for a client in the intensive care unit (ICU) following a near-drowning event in saltwater. The client is restless, lethargic, and demonstrating tremors. Additional assessment findings include swollen and dry tongue, flushed skin, and peripheral edema. The nurse anticipates that the client's serum sodium value would be

155 mEq/L (155 mmol/L)

A client experiencing a severe anxiety attack and hyperventilating presents to the emergency department. The nurse would expect the client's pH value to be

7.50

Your client has a diagnosis of hypervolemia. What would be an important intervention that you would initiate?

Limit sodium and water intake.

A client with hypervolemia asks the nurse by what mechanism the sodium-potassium pump will move the excess body fluid. What is the nurse's best answer?

Active transport

The nurse is correct to state that a client's body needs to have adequate nutrition to maintain energy. Which type of transport of dissolved substances requires adenosine triphosphate (ATP)?

Active transport

The Emergency Department (ED) nurse is caring for a client with a possible acid-base imbalance. The physician has ordered an arterial blood gas (ABG). What is one of the most important indications of an acid-base imbalance that is shown in an ABG?

Bicarbonate

A client reports tingling in the fingers as well as feeling depressed. The nurse assesses positive Trousseau's and Chvostek's signs. Which decreased laboratory results does the nurse observe when the client's laboratory work has returned?

Calcium

Air embolism is a potential complication of IV therapy. The nurse should be alert to which clinical manifestation associated with air embolism?

Chest pain

Which findings indicate that a client has developed water intoxication secondary to treatment for diabetes insipidus?

Confusion and seizures

The nurse is caring for a client with a serum potassium concentration of 6.0 mEq/L (6.0 mmol/L) and a fluid volume excess. The client is ordered to receive oral sodium polystyrene sulfonate and furosemide. What other order should the nurse anticipate giving?

Discontinue the intravenous lactated Ringer solution.

A nurse is caring for a client with metastatic breast cancer who is extremely lethargic and very slow to respond to stimuli. The laboratory report indicates a serum calcium level of 12.0 mg/dl, a serum potassium level of 3.9 mEq/L, a serum chloride level of 101 mEq/L, and a serum sodium level of 140 mEq/L. Based on this information, the nurse determines that the client's symptoms are most likely associated with which electrolyte imbalance?

Hypercalcemia

The nurse is caring for a client with multiple organ failure and in metabolic acidosis. Which pair of organs is responsible for regulatory processes and compensation?

Lungs and kidney

The nurse is caring for a client in heart failure with signs of hypervolemia. Which vital sign is indicative of the disease process?

Elevated blood pressure

Which intervention is most appropriate for a client with an arterial blood gas (ABG) of pH 7.5, a partial pressure of arterial carbon dioxide (PaCO2) of 26 mm Hg, oxygen (O2) saturation of 96%, bicarbonate (HCO3-) of 24 mEq/L, and a PaO2 of 94 mm Hg?

Instruct the client to breathe into a paper bag.

With which condition should the nurse expect that a decrease in serum osmolality will occur?

Kidney failure

A physician orders an isotonic I.V. solution for a client. Which solution should the nurse plan to administer?

Lactated Ringer's solution

A client in the emergency department reports that he has been vomiting excessively for the past 2 days. His arterial blood gas analysis shows a pH of 7.50, partial pressure of arterial carbon dioxide (PaCO2) of 43 mm Hg, partial pressure of arterial oxygen (PaO2) of 75 mm Hg, and bicarbonate (HCO3-) of 42 mEq/L. Based on these findings, the nurse documents that the client is experiencing which type of acid-base imbalance?

Metabolic alkalosis

A priority nursing intervention for a client with hypervolemia involves which of the following?

Monitoring respiratory status for signs and symptoms of pulmonary complications.

The nurse is assigned a client with calcium level of 4.0 mg/dL. Which system assessment would the nurse ask detailed questions?

Neurological system

A 64-year-old client is brought in to the clinic with thirsty, dry, sticky mucous membranes, decreased urine output, fever, a rough tongue, and lethargy. Serum sodium level is above 145 mEq/L. Should the nurse start salt tablets when caring for this client?

No, sodium intake should be restricted.

A client with a suspected overdose of an unknown drug is admitted to the emergency department. Arterial blood gas values indicate respiratory acidosis. What should the nurse do first?

Prepare to assist with ventilation.

A client is being treated in the ICU 24 hours after having a radical neck dissection completed. The client's serum calcium concentration is 7.6 mg/dL (1.9 mmol/L). Which physical examination finding is consistent with this electrolyte imbalance?

Presence of Trousseau sign

A client comes to the emergency department with status asthmaticus. His respiratory rate is 48 breaths/minute, and he is wheezing. An arterial blood gas analysis reveals a pH of 7.52, a partial pressure of arterial carbon dioxide (PaCO2) of 30 mm Hg, PaO2 of 70 mm Hg, and bicarbonate (HCO3??') of 26 mEq/L. What disorder is indicated by these findings?

Respiratory alkalosis

A nurse reviews the arterial blood gas (ABG) values of a client admitted with pneumonia: pH, 7.51; PaCO2, 28 mm Hg; PaO2, 70 mm Hg; and HCO3--, 24 mEq/L. What do these values indicate?

Respiratory alkalosis

A nurse is reviewing a report of a client's routine urinalysis. Which value requires further investigation?

Urine pH of 3.0

When evaluating arterial blood gases (ABGs), which value is consistent with metabolic alkalosis?

pH 7.48

A client with emphysema is at a greater risk for developing which acid-base imbalance?

chronic respiratory acidosis

A client is taking spironolactone to control hypertension. The client's serum potassium level is 6 mEq/L. What is the nurse's priority during assessment?

electrocardiogram (ECG) results

Clients diagnosed with hypervolemia should avoid sweet or dry food because it

increases the client's desire to consume fluid.

Following a unilateral adrenalectomy, a nurse should assess for hyperkalemia as indicated by:

muscle weakness.

Fluid and electrolyte balance is maintained through the process of translocation. What specific process allows water to pass through a membrane from a dilute to a more concentrated area?

osmosis

Which arterial blood gas (ABG) result would the nurse anticipate for a client with a 3-day history of vomiting?

pH: 7.55, PaCO2: 60 mm Hg, HCO3-: 28

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.

A client has been admitted to the hospital unit with signs and symptoms of hypovolemia; however, the client has not lost weight. The client exhibits a localized enlargement of her abdomen. What condition could the client be presenting?

third-spacing


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