An isotonic solution contains equal solute concentration on both sides.

True

False

Answer and Explanation

The Correct Answer is A

An isotonic solution is a solution that has the same osmotic pressure as another solution, which means that the solute concentration on both sides of a semipermeable membrane is equal. This causes no net movement of water across the membrane, and the cells remain the same size and shape. An example of an isotonic solution is normal saline (0.9% sodium chloride), which is used to treat dehydration and fluid loss.

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Correct Answer is C

Explanation

Choice A reason: Metabolic alkalosis is a condition where the pH and the HCO3- are both elevated, indicating a loss of acids or a gain of bases in the body. This is not the case for this patient, as his HCO3- is within the normal range of 22 to 26 mEq/L.

Choice B reason: Respiratory acidosis is a condition where the pH and the PaCO2 are both low, indicating a retention of carbon dioxide in the lungs due to hypoventilation. This is not the case for this patient, as his pH is high and his PaCO2 is low.

Choice C reason: Respiratory alkalosis is a condition where the pH and the PaCO2 are both high, indicating a loss of carbon dioxide in the lungs due to hyperventilation. This is the case for this patient, as his pH is above the normal range of 7.35 to 7.45 and his PaCO2 is below the normal range of 35 to 45 mm Hg. This condition is uncompensated, as his HCO3- is within the normal range and has not changed to counteract the pH imbalance.

Choice D reason: Metabolic acidosis is a condition where the pH and the HCO3- are both low, indicating a gain of acids or a loss of bases in the body. This is not the case for this patient, as his pH is high and his HCO3- is within the normal range.

A. True B. False

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.

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An isotonic solution contains equal solute concentration on both sides.

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is C

Explanation

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

Correct Answer is A

Explanation

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

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?

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?

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?

Lena Mason, who has diabetes, is admitted in a stuporous condition. Her blood gases show a pH of 7.33, PaCO2 of 40 mm Hg, and HCO3- of 20 mEq/L. What type of acid-base imbalance does this patient have?

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 nurse is collecting data from a patient who has dehydration. Which of the following findings should the nurse expect?

Which may cause hyperkalemia?