Which may cause hyperkalemia?

Renal failure

Diarrhea

Blood transfusion

Diaphoresis

Answer and Explanation

The Correct Answer is A

Choice A reason: Renal failure can cause hyperkalemia because the kidneys are unable to excrete excess potassium from the body. This can lead to high levels of potassium in the blood, which can affect the heart and muscles.

Choice B reason: Diarrhea can cause hypokalemia, not hyperkalemia, because it can lead to loss of potassium from the gastrointestinal tract. This can result in low levels of potassium in the blood, which can also affect the heart and muscles.

Choice C reason: Blood transfusion can cause hyperkalemia if the blood is old or hemolyzed, meaning that the red blood cells have broken down and released potassium into the plasma. This can increase the potassium levels in the recipient's blood.

Choice D reason: Diaphoresis, or sweating, can cause hypokalemia, not hyperkalemia, because it can lead to loss of potassium from the skin. This can also lower the potassium levels in the blood.

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Correct Answer is A

Explanation

Choice A reason: This is correct because an electrolyte is a substance that dissociates into ions when dissolved in water, and can conduct electricity. Some examples of electrolytes in the body are sodium, potassium, calcium, chloride, and bicarbonate.

Choice B reason: This is incorrect because an electrolyte is not a solid or a gas, but a dissolved substance. Electrolytes are essential for maintaining fluid balance, nerve impulses, muscle contractions, and acid-base balance in the body.

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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Which may cause hyperkalemia?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

An electrolyte is a mineral or salt dissolved in the body. (Write True or False)

Correct Answer is A

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

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

An isotonic state exists within a patient's body fluids when the solute concentration of:

The nurse is caring for a client with severe diarrhea. The nurse monitors the client closely, understanding that this client is at risk for developing which acid-base disorder?

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?

An isotonic solution contains equal solute concentration on both sides.

The kidneys respond to acid-base disturbances by:

What is the normal range of serum sodium in adults?

Megan's patient is on strict intake and output measurements. Her patient's total output is 2200 mL. What should the total intake be for an average adult?