A nurse is reviewing the arterial blood gas values for a client. The nurse should recognize that the values indicate which of the following acid-base imbalances?
The values are:
- pH: 7.56
- PaCO2: 55 mmHg
- HCO3: 33 mEq/L
Normal ranges:
- pH: 7.35-7.45
- PaCO2: 35-45 mmHg
- HCO3: 22-28 mEq/L
Metabolic Alkalosis
Metabolic Acidosis
Respiratory Alkalosis
Respiratory Acidosis
The Correct Answer is A
Choice A Reason:
Metabolic Alkalosis is correct. The pH of 7.56 is above the normal range (7.35-7.45), indicating alkalosis. The HCO3 level of 33 mEq/L is also above the normal range (22-28 mEq/L), which suggests a metabolic cause. In metabolic alkalosis, the body has an excess of bicarbonate or a loss of hydrogen ions.
Choice B Reason:
Metabolic Acidosis is incorrect. Metabolic acidosis is characterized by a low pH (below 7.35) and a low HCO3 level (below 22 mEq/L). The given values indicate alkalosis, not acidosis.
Choice C Reason:
Respiratory Alkalosis is incorrect. Respiratory alkalosis is characterized by a high pH (above 7.45) and a low PaCO2 (below 35 mmHg). In this case, the PaCO2 is elevated (55 mmHg), which does not align with respiratory alkalosis.
Choice D Reason:
Respiratory Acidosis is incorrect. Respiratory acidosis is characterized by a low pH (below 7.35) and a high PaCO2 (above 45 mmHg). While the PaCO2 is elevated, the pH indicates alkalosis, not acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
“Do not take the medication before bedtime” is incorrect because the timing of medication administration depends on the specific medication and its intended effects. Some medications are specifically prescribed to be taken at bedtime to help with sleep or to reduce side effects that might occur during the day.
Choice B Reason:
“Take the medication with a full glass of water” is correct because many medications require adequate hydration to ensure proper absorption and to prevent irritation of the esophagus and stomach. Taking medication with a full glass of water helps to ensure that the medication reaches the stomach quickly and reduces the risk of esophageal irritation or damage.
Choice C Reason:
“This medication must be taken on an empty stomach” is incorrect unless the specific medication requires it. Some medications are better absorbed on an empty stomach, but this is not a universal rule and depends on the medication’s formulation and intended use.
Choice D Reason:
“Expect abdominal pain with this medication” is incorrect because not all medications cause abdominal pain. If a medication is known to cause abdominal pain, the nurse should provide additional instructions on how to manage this side effect or discuss alternative medications with the healthcare provider.
Correct Answer is ["A","D"]
Explanation
Choice A Reason:
Date of birth is an acceptable client identifier. The Joint Commission specifies that using the date of birth helps ensure accurate identification of the client. This identifier is unique to each individual and is less likely to be duplicated.
Choice B Reason:
Photograph identification is not typically listed as an acceptable identifier by the Joint Commission. While it can be useful in some settings, it is not one of the primary identifiers recommended for ensuring patient safety.
Choice C Reason:
Facility room number is not an acceptable client identifier. The Joint Commission explicitly states that room numbers should not be used as identifiers because they can change and are not unique to the individual.
Choice D Reason:
Client’s full name is an acceptable client identifier. Using the full name helps to accurately identify the client and match them with their medical records and treatment plans.
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