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. One slice of wheat bread B. One wedge of cantaloupe C. One banana D. One slice of cheddar cheese

Correct Answer is C

Explanation

Choice A reason: One slice of wheat bread is not the best source of potassium, as it contains only about 70 mg of potassium per serving. The recommended daily intake of potassium for adults is 4,700 mg.

Choice B reason: One wedge of cantaloupe is a good source of potassium, as it contains about 430 mg of potassium per serving. However, it is not the best source of potassium among the choices given.

Choice C reason: One banana is the best source of potassium among the choices given, as it contains about 420 mg of potassium per serving. Bananas are also rich in fiber, vitamin C, and antioxidants.

Choice D reason: One slice of cheddar cheese is not the best source of potassium, as it contains only about 28 mg of potassium per serving. Cheese is also high in sodium, fat, and calories, which can have negative effects on blood pressure and cholesterol levels.

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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

A nurse is caring for a client who has a potassium deficiency. Which of the following foods should the nurse recommend as the best source of potassium?

Correct Answer is C

Explanation

The nurse reviews a client's electrolyte results and notes that the potassium level is 5.4 mEq/L. What would the nurse look for on the cardiac monitor as a result of this laboratory value?

The patient who was admitted after vomiting for 3 days would show an abnormally low blood pressure because of a fluid shift from:

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

An anxious adult patient is experiencing a respiratory rate of 40 breaths/min. The most appropriate intervention that the nurse could do is to instruct the patient to:

A decreased serum pH causes a condition known as:

The nurse observed that a client with diabetic ketoacidosis is experiencing abnormally deep, regular, and rapid respirations. How would the nurse document this observation in the medical record?

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?

An isotonic solution contains equal solute concentration on both sides.