Interpret the following arterial blood gas: pH 7.43: HCO3 35: Paco 46.
Respiratory acidosis.
Respiratory alkalosis.
Metabolic acidosis.
Metabolic alkalosis.
The Correct Answer is D
Choice A rationale
Respiratory acidosis is characterized by a pH less than 7.35 and a PaCO2 greater than 454. In this case, the pH is 7.43, which is within the normal range, and the PaCO2 is 46, which is slightly above the normal range. Therefore, this does not indicate respiratory acidosis.
Choice B rationale
Respiratory alkalosis is characterized by a pH greater than 7.45 and a PaCO2 less than 354. In this case, the pH is 7.43, which is within the normal range, and the PaCO2 is 46, which is slightly above the normal range. Therefore, this does not indicate respiratory alkalosis.
Choice C rationale
Metabolic acidosis is characterized by a pH less than 7.35 and a HCO3 less than 224. In this case, the pH is 7.43, which is within the normal range, and the HCO3 is 35, which is above the normal range. Therefore, this does not indicate metabolic acidosis.
Choice D rationale
Metabolic alkalosis is characterized by a pH greater than 7.45 and a HCO3 greater than 264. In this case, the pH is 7.43, which is within the normal range, and the HCO3 is 35, which is above the normal range. Therefore, this indicates metabolic alkalosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
The cognitive domain involves knowledge and the development of intellectual skills. This includes the recall or recognition of specific facts and concepts that serve in the development of intellectual abilities and skills.
Choice B rationale
The affective domain includes the manner in which we deal with things emotionally, such as feelings, values, appreciation, enthusiasms, motivations, and attitudes.
Choice C rationale
The term “effective” is not recognized as a learning domain. It may be a typographical error.
Choice D rationale
The psychomotor domain includes physical movement, coordination, and use of the motor- skill areas. Development of these skills requires practice and is measured in terms of speed, precision, distance, procedures, or techniques in execution. Thus, when a patient is able to perform a return demonstration, such as changing their surgical dressing, it is the psychomotor domain that has been demonstrated.
Correct Answer is D
Explanation
Choice A rationale
Intuition refers to understanding or knowing something without the need for conscious reasoning. It doesn’t fit in this context as the nurse’s actions are deliberate and based on the patient’s needs.
Choice B rationale
Apathy refers to a lack of interest, enthusiasm, or concern. It is the opposite of what the nurse is demonstrating. The nurse is showing concern for the patient’s situation and taking action to help.
Choice C rationale
Empathy refers to the ability to understand and share the feelings of another. While empathy may motivate the nurse’s actions, it does not fully describe the action of contacting a social worker to assist the patient.
Choice D rationale
Advocacy refers to the act of pleading for, supporting, or recommending a course of action. The nurse is advocating for the patient by recognizing their needs and seeking assistance from a social worker.
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