A decreased serum pH causes a condition known as:

Acidosis

Equal bicarbonate

Neutral carbonic acid

Alkalosis

Answer and Explanation

The Correct Answer is A

Choice A reason: This is correct because acidosis is a condition where the serum pH is lower than the normal range of 7.35 to 7.45. Acidosis can be caused by an excess of acids or a loss of bases in the body, which can affect the function of various organs and systems.

Choice B reason: This is incorrect because equal bicarbonate is not a condition, but a term that describes the balance between bicarbonate (HCO3-) and carbonic acid (H2CO3) in the blood. Bicarbonate is a base that buffers the acids in the blood and maintains the pH. Equal bicarbonate means that the ratio of bicarbonate to carbonic acid is 20:1, which is the normal value.

Choice C reason: This is incorrect because neutral carbonic acid is not a condition, but a term that describes the pH of carbonic acid (H2CO3) in the blood. Carbonic acid is an acid that forms when carbon dioxide (CO2) dissolves in water. Neutral carbonic acid means that the pH of carbonic acid is 7.0, which is neither acidic nor basic.

Choice D reason: This is incorrect because alkalosis is a condition where the serum pH is higher than the normal range of 7.35 to 7.45. Alkalosis can be caused by a loss of acids or an excess of bases in the body, which can affect the function of various organs and systems.

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Correct Answer is B

Explanation

Choice A reason: Moist skin is not a sign of dehydration, but rather a sign of adequate hydration or sweating. Dehydration can cause dry skin, mucous membranes, and lips.

Choice B reason: Dark-colored urine is a sign of dehydration, as it indicates a high concentration of waste products and a low volume of water in the urine. Dehydration can cause the kidneys to conserve water and produce less urine.

Choice C reason: High blood pressure is not a sign of dehydration, but rather a sign of fluid overload or other factors such as stress, pain, or medication. Dehydration can cause low blood pressure, as it reduces the blood volume and the cardiac output.

Choice D reason: Distended neck veins are not a sign of dehydration, but rather a sign of fluid overload or right-sided heart failure. Dehydration can cause flat neck veins, as it reduces the venous return and the central venous pressure.

A. pH 7.50, PCO2 30 mmHg B. pH 7.45, PCO2 52 mmHg C. pH 7.25, PCO2 50 mmHg D. pH 7.35, PCO2 40 mmHg

Correct Answer is C

Explanation

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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A decreased serum pH causes a condition known as:

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is B

Explanation

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?

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

The nurse reviews the client's serum calcium level and notes that the level is 7.9 mg/dL. The nurse understands that which condition would cause this serum calcium level?

An isotonic solution contains equal solute concentration on both sides.

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?

What is the normal range of serum potassium level in adults?

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?