Homeostasis Fluids And Electrolytes NCLEX Quiz

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  • 1/10 Questions

    Genevieve is diagnosed with hypomagnesemia. which nursing intervention would be appropriate?

    • Instituting seizure precaution to prevent injury
    • Instructing the client on the importance of preventing infection
    • Avoiding the use of tight tourniquet when drawing blood
    • Teaching the client the importance of early ambulation
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About This Quiz

This NCLEX-focused quiz tests your understanding of homeostasis and the critical role of fluids and electrolytes in the human body. Covering key topics such as fluid balance, electrolyte imbalances, acid-base regulation, and nursing interventions, the quiz is designed to strengthen your knowledge and clinical reasoning skills.

Whether you’re preparing for the NCLEX exam or seeking to enhance your nursing practice, this quiz offers a comprehensive review of the mechanisms that maintain internal stability and the signs and symptoms of common disorders. Challenge yourself to master these fundamental concepts essential for safe and effective patient care.

Homeostasis Fluids And Electrolytes NCLEX Quiz - Quiz

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  • 2. 

    Which electrolyte would the nurse identify as the major electrolyte responsible for determining the concentration of the extracellular fluid?

    • Potassium

    • Phosphate

    • Chloride

    • Sodium

    Correct Answer
    A. Sodium
    Explanation
    Sodium is the major electrolyte responsible for determining the concentration of the extracellular fluid. It plays a crucial role in maintaining fluid balance and regulating blood pressure. Sodium ions are primarily found outside the cells and help to maintain the osmotic pressure of the extracellular fluid. Any changes in sodium levels can lead to imbalances in fluid volume and affect the functioning of various body systems. Therefore, the nurse would identify sodium as the major electrolyte responsible for determining the concentration of the extracellular fluid.

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  • 3. 

    A client with very dry mouth. skin and mucous membranes is diagnosed of having dehydration. Which intervention should the nurse perform when caring for a client diagnosed with fluid volume deficit?

    • Assessing urinary intake and output

    • Obtaining the client’s weight weekly at different times of the day

    • Monitoring arterial blood gas (ABG) results

    • Maintaining I.V. therapy at the keep-vein-open rate

    Correct Answer
    A. Assessing urinary intake and output
    Explanation
    The nurse should assess the client's urinary intake and output when caring for a client diagnosed with fluid volume deficit. This is because monitoring urinary output is an important indicator of hydration status and kidney function. By assessing urinary intake and output, the nurse can determine if the client is adequately hydrated or if further interventions are needed. This information can guide the nurse in adjusting fluid therapy and preventing complications associated with dehydration.

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  • 4. 

    A client is diagnosed with metabolic acidosis. which would the nurse expect the health care provider to order?

    • Potassium

    • Sodium bicarbonate

    • Serum sodium level

    • Bronchodilator

    Correct Answer
    A. Sodium bicarbonate
    Explanation
    In cases of metabolic acidosis, there is an excess of acid in the body due to a buildup of metabolic waste products. Sodium bicarbonate is commonly used to treat metabolic acidosis as it acts as a buffer, helping to neutralize the excess acid and restore the body's pH balance. Therefore, it is expected that the healthcare provider would order sodium bicarbonate to address the client's metabolic acidosis.

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  • 5. 

    Which client situation requires the nurse to discuss the importance of avoiding foods high in potassium?

    • 14-year-old Elena who is taking diuretics

    • 16-year-old John Joseph with ileostomy

    • 16-year-old Gabriel with metabolic acidosis

    • 18-year-old Albert who has renal disease

    Correct Answer
    A. 18-year-old Albert who has renal disease
    Explanation
    The correct answer is 18-year-old Albert who has renal disease. Renal disease affects the kidneys' ability to remove excess potassium from the body. High levels of potassium can be dangerous for individuals with renal disease as it can lead to a condition called hyperkalemia. Therefore, it is important for the nurse to discuss the importance of avoiding foods high in potassium with Albert to prevent complications associated with high potassium levels.

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  • 6. 

    Jon has a potassium level of 6.5 mEq/L. which medication would nurse Wilma anticipate?

    • Potassium supplements

    • Kayexalate

    • Calcium gluconate

    • Sodium tablets

    Correct Answer
    A. Kayexalate
    Explanation
    A potassium level of 6.5 mEq/L indicates hyperkalemia, which is an elevated level of potassium in the blood. Kayexalate is a medication used to treat hyperkalemia by binding to excess potassium in the body and promoting its excretion through the gastrointestinal tract. Therefore, nurse Wilma would anticipate administering Kayexalate to help lower Jon's potassium level.

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  • 7. 

    Mang Teban has a history of chronic obstructive pulmonary disease and has the following arterial blood gas results: partial pressure of oxygen (PO2). 55 mm Hg. and partial pressure of carbon dioxide (PCO2). 60 mm Hg. When attempting to improve the client’s blood gas values through improved ventilation and oxygen therapy. which is the client’s primary stimulus for breathing?

    • High PCO2

    • Low PO2

    • Normal pH

    • Normal bicarbonate (HCO3)

    Correct Answer
    A. Low PO2
    Explanation
    The client's primary stimulus for breathing is low PO2. In individuals with chronic obstructive pulmonary disease (COPD), the ability to exchange oxygen and carbon dioxide in the lungs is impaired. This leads to low levels of oxygen in the blood (low PO2). The body responds to this low oxygen level by increasing the respiratory rate and depth of breathing in order to improve oxygenation. Therefore, low PO2 acts as the primary stimulus for breathing in this client.

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  • 8. 

    Which clinical manifestation would lead the nurse to suspect that a client is experiencing hypermagnesemia?

    • Muscle pain and acute rhabdomyolysis

    • Hot. flushed skin and diaphoresis

    • Soft-tissue calcification and hyperreflexia

    • Increased respiratory rate and depth

    Correct Answer
    A. Hot. flushed skin and diaphoresis
    Explanation
    Hot, flushed skin and diaphoresis are clinical manifestations that may indicate hypermagnesemia. Hypermagnesemia is an excess of magnesium in the blood, which can cause vasodilation and increased blood flow to the skin, leading to hot and flushed skin. Diaphoresis, or excessive sweating, can also occur as the body tries to regulate its temperature. These symptoms are important to recognize as they can help the nurse identify and intervene in cases of hypermagnesemia.

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  • 9. 

    Mr. Salcedo has the following arterial blood gas (ABG) values: pH of 7.34. partial pressure of arterial oxygen of 80 mm Hg. partial pressure of arterial carbon dioxide of 49 mm Hg. and a bicarbonate level of 24 mEq/L. Based on these results. which intervention should the nurse implement?

    • Instructing the client to breathe slowly into a paper bag

    • Administering low-flow oxygen

    • Encouraging the client to cough and deep breathe

    • Nothing. because these ABG values are within normal limits.

    Correct Answer
    A. Encouraging the client to cough and deep breathe
    Explanation
    The given ABG values indicate that Mr. Salcedo has a pH level of 7.34, which is slightly acidic, and a partial pressure of arterial carbon dioxide of 49 mm Hg, which is higher than the normal range. These values suggest respiratory acidosis, which occurs when there is an excess of carbon dioxide in the blood. Encouraging the client to cough and deep breathe can help to increase ventilation and eliminate excess carbon dioxide, thus correcting the acidosis. Therefore, this intervention is appropriate in this situation.

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  • 10. 

    Lisa. a client with altered urinary function. is under the care of nurse Tine. Which intervention is appropriate to include when developing a plan of care for Lisa who is experiencing urinary dribbling?

    • Inserting an indwelling Foley catheter

    • Having the client perform Kegel exercises

    • Keeping the skin clean and dry

    • Using pads or diapers on the client

    Correct Answer
    A. Keeping the skin clean and dry
    Explanation
    Keeping the skin clean and dry is an appropriate intervention for Lisa who is experiencing urinary dribbling. This is important because urinary dribbling can lead to skin irritation and breakdown. By keeping the skin clean and dry, the nurse can prevent complications such as infection and discomfort for the client. This intervention focuses on maintaining the client's hygiene and promoting their overall comfort and well-being.

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  • Current Version
  • Jun 18, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 12, 2017
    Quiz Created by
    Santepro
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