The registered nurse reviews the result of the arterial blood gas values with the licensed practical nurse and tells the LPN that the client has respiratory acidosis. The LPN would expect to note which of the following on the laboratory result report?

pH 7.50, PCO2 30 mmHg

pH 7.45, PCO2 52 mmHg

pH 7.25, PCO2 50 mmHg

pH 7.35, PCO2 40 mmHg

Answer and Explanation

The Correct Answer is C

Choice A reason: This is incorrect because this represents respiratory alkalosis, not acidosis. Respiratory alkalosis is characterized by a high pH and a low PCO2.

Choice B reason: This is incorrect because this represents a mixed disorder, not a pure respiratory acidosis. A mixed disorder occurs when both the pH and the PCO2 are abnormal, but in opposite directions.

Choice C reason: This is correct because this represents respiratory acidosis. Respiratory acidosis is characterized by a low pH and a high PCO2.

Choice D reason: This is incorrect because this represents normal values, not respiratory acidosis. Normal values for pH and PCO2 are 7.35 to 7.45 and 35 to 45 mmHg, respectively.

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Correct Answer is B

Explanation

Choice A reason: Panting with mouth open is not an appropriate intervention for an anxious patient with a high respiratory rate. This could increase the risk of hyperventilation and respiratory alkalosis, which could worsen the anxiety and cause symptoms such as dizziness, tingling, and muscle spasms.

Choice B reason: Sitting up is an appropriate intervention for an anxious patient with a high respiratory rate. This could help the patient relax and breathe more deeply and slowly, which could reduce the anxiety and normalize the blood gas levels.

Choice C reason: Lying down is not an appropriate intervention for an anxious patient with a high respiratory rate. This could make the patient feel more claustrophobic and increase the anxiety and the respiratory rate.

Choice D reason: Breathing through a re-breather mask is not an appropriate intervention for an anxious patient with a high respiratory rate. This could increase the oxygen concentration in the blood, which could reduce the stimulus for breathing and cause respiratory depression.

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 registered nurse reviews the result of the arterial blood gas values with the licensed practical nurse and tells the LPN that the client has respiratory acidosis. The LPN would expect to note which of the following on the laboratory result report?

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Naxlex Comprehensive Predictor Exams

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:

Correct Answer is B

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

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