A nurse is reviewing a client's laboratory results. The client's ABGS are as follows: pH 7.6, HCO3 24 mEq/L, PaCO2 30 mm Hg, PaO2 90 mm Hg. Which of the following acid-base imbalances should the nurse identify the client is experiencing?
Metabolic alkalosis
Respiratory acidosis
Respiratory alkalosis
Metabolic acidosis
The Correct Answer is C
A) Metabolic alkalosis: Metabolic alkalosis is characterized by a high pH and elevated bicarbonate (HCO3). In this scenario, the pH is elevated at 7.6, which supports alkalosis, but the HCO3 level is normal at 24 mEq/L. The PaCO2 is slightly low, which is not typical for metabolic alkalosis, as it would usually show an elevated HCO3 with a compensatory respiratory alkalosis.
B) Respiratory acidosis: Respiratory acidosis would present with a low pH and an elevated PaCO2. In this case, the pH is high at 7.6, indicating alkalosis, and the PaCO2 is also low at 30 mm Hg, which is inconsistent with respiratory acidosis.
C) Respiratory alkalosis: Respiratory alkalosis is indicated by a high pH with a low PaCO2. Here, the pH is elevated at 7.6, and the PaCO2 is decreased at 30 mm Hg, which fits the profile of respiratory alkalosis. The normal HCO3 level suggests that the bicarbonate is not compensating, supporting a primary respiratory alkalosis.
D) Metabolic acidosis: Metabolic acidosis is characterized by a low pH and a low HCO3. In this scenario, the pH is elevated at 7.6, and the HCO3 level is normal at 24 mEq/L, which does not align with metabolic acidosis. The PaCO2 is also low, which is not typical for metabolic acidosis, as it would usually have a normal or high PaCO2.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Consume a diet low in cholesterol: A diet low in cholesterol is beneficial for preventing cholelithiasis (gallstones), as high cholesterol levels can contribute to the formation of cholesterol stones in the gallbladder. By reducing dietary cholesterol, the risk of gallstone formation can be minimized.
B) Increase your intake of refined carbohydrates: Increasing the intake of refined carbohydrates can lead to higher levels of triglycerides and cholesterol in the blood, which can promote the formation of gallstones. This dietary change is not recommended for preventing cholelithiasis.
C) Consume a diet high in calories: A high-calorie diet, especially if it leads to obesity, increases the risk of developing gallstones. Obesity is a significant risk factor for cholelithiasis, and a high-calorie diet can contribute to weight gain and the development of gallstones.
D) Reduce your dietary fiber intake: Dietary fiber helps in reducing cholesterol levels by binding bile acids in the intestines, which in turn can prevent the formation of cholesterol gallstones. Reducing fiber intake would be counterproductive and increase the risk of cholelithiasis.
Correct Answer is A
Explanation
A. Check skin temperature distal to the injury with the dorsum of the hand.: Assessing skin temperature distal to the injury is an important part of evaluating neurovascular status. It helps to identify any changes in circulation or potential complications like ischemia. The dorsum of the hand is commonly used as it provides a good comparison to the temperature of the affected extremity.
B. Press the heel of the foot to determine capillary refill.: While capillary refill is an important assessment, it is usually measured by pressing the nail beds or pads of the fingers and toes, not by pressing the heel. This method does not provide a reliable indication of neurovascular status.
C. Monitor sensation by palpating the pad of the great toe with a blunt needle.: While assessing sensation is important, it is typically done using a light touch or pinprick, rather than palpating with a blunt needle. The use of a needle is not standard practice for this type of assessment.
D. Compare the color of the skin proximal to the injury with the other extremity.: Comparing the skin color distal to the injury with the unaffected extremity is more relevant for evaluating neurovascular status. Proximal comparison is less effective in assessing circulation and potential issues related to the injury.
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