The nurse points out that electrolytes are essential for health. Nonelectrolytes include:

Amino acids

Magnesium

Phosphates

Glucose

Answer and Explanation

The Correct Answer is D

Choice A reason: This is incorrect because amino acids are electrolytes. Electrolytes are substances that dissociate into ions when dissolved in water and conduct electricity. Amino acids have both positive and negative charges and can form ions in solution.

Choice B reason: This is incorrect because magnesium is an electrolyte. Magnesium is a metal that forms positive ions (cations) when dissolved in water. Magnesium is important for muscle and nerve function, as well as bone health.

Choice C reason: This is incorrect because phosphates are electrolytes. Phosphates are compounds that contain the phosphate ion (PO4 3-), which is a negative ion (anion) in solution. Phosphates are involved in energy metabolism, acid-base balance, and bone formation.

Choice D reason: This is correct because glucose is a nonelectrolyte. Nonelectrolytes are substances that do not dissociate into ions when dissolved in water and do not conduct electricity. Glucose is a simple sugar that dissolves as a whole molecule in water. Glucose is the main source of energy for the body.

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Correct Answer is D

Explanation

Choice A reason: This is incorrect because normal saline is not indicated for this client. Normal saline is a isotonic solution that does not alter the acid-base balance. The client has respiratory alkalosis, which is caused by hyperventilation and results in a high pH and a low PaCO2.

Choice B reason: This is incorrect because Allen's test is not relevant for this client. Allen's test is a test to assess the patency of the radial and ulnar arteries before performing an arterial blood gas (ABG) sampling or cannulation. The client already has ABG results, so there is no need to perform Allen's test.

Choice C reason: This is incorrect because increasing breathing would worsen the client's condition. Increasing breathing would cause the client to exhale more carbon dioxide, which would lower the PaCO2 and raise the pH even more. This would increase the severity of respiratory alkalosis.

Choice D reason: This is correct because slowing down breathing would help the client to correct the respiratory alkalosis. Slowing down breathing would allow the client to retain more carbon dioxide, which would increase the PaCO2 and lower the pH. This would bring the acid-base balance closer to normal.

A. Polyuria B. Dry mucous membranes C. Diarrhea D. Intense thirst E. Vomiting

Correct Answer is B

Explanation

Choice A reason: This is incorrect because polyuria is a sign of hyponatremia, not hypernatremia. Polyuria is the excessive production of urine, which can cause fluid loss and sodium dilution.

Choice B reason: This is correct because dry mucous membranes are a sign of hypernatremia. Dry mucous membranes are caused by dehydration, which can occur in hypernatremia due to fluid shifting from the intracellular to the extracellular space.

Choice C reason: This is incorrect because diarrhea is a sign of hyponatremia, not hypernatremia. Diarrhea is the frequent and watery passage of stool, which can cause fluid and electrolyte loss.

Choice D reason: This is incorrect because intense thirst is a sign of both hyponatremia and hypernatremia. Intense thirst is a result of the body's attempt to restore fluid balance and osmolarity.

Choice E reason: This is incorrect because vomiting is a sign of both hyponatremia and hypernatremia. Vomiting is a reflex action that expels the contents of the stomach, which can cause fluid and electrolyte loss or imbalance.

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The nurse points out that electrolytes are essential for health. Nonelectrolytes include:

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Naxlex Comprehensive Predictor Exams

A client has the following laboratory values: a pH of 7.55, an HCO3 level of 22 mEq/L, and a PaCO2 of 30 mmHg. Which action would the nurse plan to take?

Correct Answer is D

Explanation

The nurse is caring for a client with leukemia and notes that the client has poor skin turgor and flat neck and hand veins. The nurse suspects hypernatremia. Which sign/symptom would the nurse expect to note in this client if hypernatremia is present?

Correct Answer is B

Explanation

The nurse is caring for a client with a nasogastric tube that is attached to low suction. The nurse monitors the client closely for which acid-base disorder that is most likely to occur in this situation?

A patient has end-stage chronic obstructive pulmonary disease (COPD). Which acid-base imbalance would be predictable in a patient with COPD?

If your patient has a higher than normal pH (alkalosis), you would expect to also see:

The nurse is aware that small ions such as glucose, oxygen, and carbon dioxide redistribute themselves through semipermeable membranes by a process called dropdown.

George Torres is admitted with a head injury. He is comatose and is breathing rapidly. His blood gases show a pH of 7.47, PaCO2 of 32 mm Hg, and HCO3- of 26 mEq/L. Compare these gases to normal values. What type of imbalance does this patient have, and is it being compensated or uncompensated?

The nurse is reviewing the health records of assigned clients. The nurse would plan care knowing that which client is at risk for fluid volume deficit?

PaCO2 level indicates the effectiveness of:

A decreased serum pH causes a condition known as: