A client has a nasogastric (NG) tube placed during abdominal surgery. During postoperative convalescence, the nurse identifies that the client is manifesting a hand tremor, muscle twitching, and confusion. Which arterial blood gases consistent with metabolic alkalosis should the nurse report to the healthcare provider?
Reference Range pH 17.35 to 7.45]
PaCO2 135 to 45 mm Hg]
HCO3 [21 to 28 mEq/L or 21 to 28 mmol/L]
PaO2 [80 to 100 mm Hg]
pH 7.30, PCO, 20 mm Hg, HCO, 22 mEq/L (22 mmol/L), PO, 85 mm Hg.
pH 7.46, PCO, 55 mm Hg, HCO, 36 mEq/L (36 mmol/L), PO, 95 mm Hg.
pH 7.49, PCO, 45 mm Hg, HCO, 32 mEq/L (32 mmol), PO, 90 mm Hg.
pH 7.29, PCO, 35 mm Hg, HCO, 25 mEq/L (25 mmol/L), PO, 99 mm Hg.
The Correct Answer is B
B. pH 7.46, PCO2 55 mm Hg, HCO3 36 mEq/L, PO2 95 mm Hg
The pH is high (alkalotic).
The HCO3 level is elevated, indicating metabolic alkalosis.
The PCO2 is high (respiratory acidotic picture due to secondary response). This option matches the criteria for metabolic alkalosis.
A. pH 7.30, PCO2 20 mm Hg, HCO3 22 mEq/L, PO2 85 mm Hg
The pH is low (acidic), not alkalotic.
The HCO3 level is within the normal range.
The PCO2 is low, which could indicate respiratory alkalosis. This option does not match the criteria for metabolic alkalosis.
C. pH 7.49, PCO2 45 mm Hg, HCO3 32 mEq/L, PO2 90 mm Hg The pH is high (alkalotic).
The HCO3 level is elevated, indicating metabolic alkalosis. The PCO2 is within the normal range.
This option does not meet the criteria for metabolic alkalosis D pH 7.29, PCO2 35 mm Hg, HCO3 25 mEq/L, PO2 99 mm Hg
The pH is low (acidic), not alkalotic. The HCO3 level is low, not elevated. The PCO2 is within the normal range.
This option does not match the criteria for metabolic alkalosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Inserting a nasogastric tube (NGT) and attaching it to low intermittent suction would be appropriate in this situation. Dark brown emesis could indicate gastrointestinal bleeding, which may require gastric decompression to prevent further vomiting and assess the volume and characteristics of the gastric contents.
B. Placing an indwelling urinary catheter and attaching a bedside drainage unit is not the priority intervention in this scenario.
C. Sending the client to x-ray for a flat plate of the abdomen may provide diagnostic information, but it is not the most immediate intervention needed in this situation.
D. Giving a prescribed analgesic for a temperature above 101°F (38.3°C) is not the priority intervention in this scenario.
Correct Answer is B
Explanation
B. Isolating the client is crucial to minimize exposure to individuals who are not wearing proper PPE and to reduce the risk of spreading the virus within the healthcare setting and among family members.
A. is important for informing family members about potential exposure and monitoring for symptoms, but it is not as immediate as isolating the client to prevent further transmission.
C. is also important for educating the client on preventive measures to reduce the spread of the virus, but isolating the client takes precedence in the immediate management of potential COVID-19 cases.
D. is important for public health surveillance and contact tracing efforts, but it is not as immediate as isolating the client and educating them about preventive measures.
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