Chapter 3: Sodium and Chloride Imbalances
A nursing instructor is educating students about sodium imbalances. Which statement by the nurse instructor is correct?
"Sodium is the most abundant cation in the extracellular fluid (ECF)."
A nurse assesses the laboratory values of an adult client. Which imbalance should a nurse associate with a serum sodium level of 150 mEq/L?
A nurse assessing a client who experienced a seizure during a water-drinking contest should associate the client's seizure with which electrolyte imbalance?
Hyponatremia related to relative decrease in sodium
A nurse assesses a newly admitted client with a serum sodium level of 120 mEq/L. The nurse should observe the client for which clinical manifestations? Select all that apply.
- Generalized weakness
A nurse is providing discharge instructions for a client diagnosed with end-stage renal disease. The nurse explains that the client is at risk for developing hypernatremia. Which manifestation should the nurse instruct the client to report immediately to a health-care provider?
Weight gain of 3 pounds in 1 day
A nurse instructing a client on a low-sodium diet should advise the client that it is appropriate to consume which condiment?
A nurse instructing a client on a low-sodium diet should advise the client to avoid which beverage?
A nurse is evaluating the laboratory data of clients on a medical-surgical unit. Which laboratory result should a nurse report to a health-care provider?
- Serum sodium: 130 mEq/L
- Serum potassium: 3.6 mEq/L
- Serum osmolality: 285 mOsm/kg
Which factor in a client's history should a nurse associate with the development of hypochloremia?
A nurse is teaching an older adult client diagnosed with hyponatremia. Which substance should the nurse instruct the client to avoid?
A home health nurse is educating a client diagnosed with syndrome of inappropriate antidiuretic hormone (SIADH). What should the nurse advise the client to do regarding the intake of fluids? Select all that apply.
- Limit fluid intake
- Measure fluid intake
- Record fluid intake
A nurse is instructing a client on a high-sodium diet. Which foods should the nurse recommend as part of a high-sodium diet?
Ham and cheese sandwich
A nurse is caring for a client diagnosed with hypovolemic hyponatremia. Which IV solution order should the nurse anticipate?
0.9% saline solution
A nurse is planning care for a client diagnosed with severe hyponatremia. Which action should the nurse take when implementing seizure precautions for this client?
Pad the side rails and headboard.
Which serum chloride level should a nurse anticipate when evaluating the laboratory data of a client diagnosed with hypernatremia?
Serum chloride 118 mEq/L
Which manifestations should a nurse identify as the most serious complications associated with hyponatremia?
Lethargy, acute confusion, and decreased level of consciousness
A nurse instructs a client on how to reduce sodium in the diet. Which meal choices, if made by the client, should indicate to the nurse that the client understands the dietary instructions?
Grilled chicken with a broccoli and carrot medley
A nurse admitting a client who has a serum sodium level of 128 mEq/L and a serum chloride level of 88 mEq/L obtains a list of the client's current medications. Which medication should the nurse identify as having the potential to decrease serum sodium and chloride levels?
Metoprolol and hydrochlorothiazide (Lopressor HCT)
Which measure, if included in the care plan for a client diagnosed with diabetes insipidus, should a nurse identify as most effective in restoring sodium balance?
Administer thiazide diuretics as ordered.
Which statement, if made by a client on a sodium-restricted diet, should indicate to a nurse that the client needs further instruction?
"I will limit the amount of table salt I put on my food."
Which foods should a nurse instruct a client to avoid to reduce dietary sodium intake? Select all that apply.
- Luncheon meats
- Canned soup
Which manifestations, if identified during assessment, should a nurse associate with this result? Select all that apply.
- Increased thirst
- Orthostatic hypotension
Which factors, if noted in a client's history, should a nurse associate with the development of hyponatremia? Select all that apply.
- Syndrome of inappropriate antidiuretic hormone (SIADH)
- Gastrointestinal suctioning
- Excessive diaphoresis
A nurse is teaching a client who is diagnosed with hypertension how to read food labels to assist the client in choosing foods that are lower in sodium. When discussing the following exhibit with the client, which statement by the nurse is correct?
"You can eat this food as long as you do not exceed 1,500 mg of sodium per day."
Which client should a nurse identify as being at highest risk for hypernatremia?
An older adult client admitted with vomiting and diarrhea
Which gastrointestinal manifestation, if identified in a client admitted with heart failure, should a nurse associate with the development of hyponatremia?
When hypernatremia in a client is caused by rapid fluid loss, which IV solution should a nurse anticipate being ordered to restore the client's fluid and electrolyte balance?
0.45% NaCl (half-normal saline)
Which factor in a client admission assessment should a nurse identify as a cause of hypernatremia?
Watery diarrhea present
Which statement by a student nurse best demonstrates an understanding of the body's attempt to restore sodium balance in a client who is hyponatremic?
"ADH is inhibited and aldosterone is released."
A nurse identifies Risk for Falls Related to Skeletal Muscle Weakness as a diagnosis for a client admitted with hypernatremia secondary to chronic renal failure. Which nursing interventions would assist in maintaining this client's safety? Select all that apply.
- Health-care providers will perform hourly checks
- The client will call for assistance when getting out of bed
Which laboratory result should a nurse anticipate when assessing an infant who has persistent projectile vomiting secondary to hypertrophic pyloric stenosis?
Serum chloride 90 mEq/L
A 6-year-old client is brought to the emergency department after a near-drowning experience in the Pacific Ocean. For which electrolyte imbalance should the nurse assess?
Hypernatremia related to actual increase in sodium
A nurse is preparing to administer IV 3% NaCl saline solution to a child weighing 60 pounds who is diagnosed with acute hyponatremia. A health-care provider orders 0.5 mEq/kg/hr of 3% saline; 3% NaCl solution contains 50 mEq of sodium per 100 milliliters. How many milliliters of this IV solution should the nurse administer hourly? Record your answer using a whole number. _____
An older adult client in an extended-care facility has been vomiting for 2 days. A nurse understands that this client is at increased risk for developing fluid volume deficit and hyponatremia and prepares to infuse IV 0.9% saline solution 750 mL at 125 mL/hr, as ordered by a health-care provider. The nurse selects IV tubing that has a drop factor of 15 gtts/mL. How many drops per minute should the nurse infuse to administer the prescribed 125 mL/hr? Record your answer using a whole number. _____
A nurse determines that a client has a laboratory test that reveals severe hypochloremia. Which nursing diagnosis should be the nurse's priority for this client?
Ineffective Breathing Pattern
Which manifestations, if identified during the assessment of a client, should a nurse associate with the development of hypernatremia? Select all that apply.
- Increased thirst
A nurse assesses a client diagnosed with hyperchloremia. Which findings would require immediate investigation by the nurse? Select all that apply.
- Increased lethargy
- Kussmaul respirations
A nurse is assessing a client with a possible fluid and electrolyte imbalance. Which manifestation, if identified in this client, should a nurse associate with the development of either hyponatremia or hypernatremia?
A nurse is planning care for a client with severe hypernatremia. Which safety intervention should be the nurse's priority?
A nurse is caring for a client who has been diagnosed with H1N1 virus. After 3 days of severe vomiting and diarrhea, the client is now lethargic and hypotensive. A health-care provider writes orders for the client. Which orders should the nurse question? Select all that apply.
- Restrict fluid intake
- Administer IV 3% sodium chloride solution at 150 mL/hr
- Administer furosemide (Lasix) 40 mg daily by mouth.
A nurse assists a client who is experiencing a seizure secondary to hyponatremia. When prioritizing care for this client, which actions should the nurse take? Place each intervention in the correct order (1–6).
- Remain with the client.
- Loosen restrictive clothing.
- Turn the client on his or her side.
- Assess respiratory status and apply oxygen if needed.
- Suction if needed.
- Document the details of the episode.
A nurse identifies that a client with hyponatremia is confused and restless with a bounding pulse, blood pressure of 145/96 mm Hg, and decreased serum osmolarity. Based on these findings, which cause of sodium imbalance should the nurse suspect?
For a client admitted with severe hyponatremia, which should be the priority intervention for a nurse who plans to achieve the goal "Client will remain free from injury"?
Monitor neurological status and initiate seizure precautions
Which laboratory result should a nurse anticipate in a client diagnosed with syndrome of inappropriate antidiuretic hormone (SIADH)? Select all that apply.
- Increased urine sodium
- Decreased plasma osmolality
A nurse is planning care for a client diagnosed with hyperchloremia. On which intervention should the nurse place the highest priority?
Place the client on seizure precautions