A nurse is caring for a client who is experiencing anxiety as well as numbness and tingling of the lips and fingers. The client's ABGs are pH 7.48, PCO2 30 mm Hg, HCO3 24 mEq/L, PaO2 85 mm Hg. Which of the following acid-base imbalances should the nurse identify that the client is experiencing?
Respiratory alkalosis.
Respiratory acidosis.
Metabolic alkalosis.
Metabolic acidosis.
The Correct Answer is A
Choice A rationale:
The client's ABG values show a pH of 7.48, PCO2 of 30 mm Hg, HCO3 of 24 mEq/L, and PaO2 of 85 mm Hg. The elevated pH and decreased PCO2 (respiratory component) suggest respiratory alkalosis. Respiratory alkalosis occurs when there is excessive ventilation, leading to a decrease in carbon dioxide levels (hypocapnia) and subsequent alkalosis.
Choice B rationale:
Respiratory acidosis is characterized by an elevated PCO2 and decreased pH. In this case, the client's PCO2 is decreased, indicating respiratory alkalosis rather than respiratory acidosis.
Choice C rationale:
Metabolic alkalosis is characterized by an elevated HCO3 (bicarbonate) level and an increased pH. The client's HCO3 level is within the normal range, making metabolic alkalosis an incorrect identification.
Choice D rationale:
Metabolic acidosis is characterized by a decreased HCO3 level and a decreased pH. The client's HCO3 level is within the normal range, ruling out metabolic acidosis as the acid-base imbalance in this case.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
The nurse should instruct the client to place cellular phones on the ear opposite the side of the pacemaker to minimize the risk of electromagnetic interference. Although the risk of interference is low with modern pacemakers, it is still a precautionary measure. Placing the phone on the ear opposite the pacemaker reduces the likelihood of any potential electromagnetic interaction.
Choice B rationale:
The instruction in choice B, "Avoid showering for the first 2 weeks following surgery,”. is not appropriate. There is no need for the client to avoid showering after pacemaker insertion. In fact, maintaining good hygiene is essential to prevent infection at the incision site. The client can take a shower, but they should avoid soaking the incision area and patting it dry afterward.
Choice C rationale:
The instruction in choice C, "Avoid heavy lifting for 1 week following insertion,”. is not the best option. The recommended timeframe to avoid heavy lifting after a pacemaker insertion is usually around 4 to 6 weeks. This duration allows the surgical site to heal properly and reduces the risk of dislodging the pacemaker leads or causing damage.
Choice D rationale:
The instruction in choice D, "Stand at least 2 feet away while using a microwave,”. is not directly related to pacemaker care. While it is generally recommended to maintain a safe distance from microwaves during use, this instruction is not specific to clients with pacemakers.
Correct Answer is A
Explanation
Dispose of the client's feces and urine in a special container.
Choice A rationale:
This is the correct choice. Brachytherapy involves the placement of a radiation source in or near the tumor. To minimize radiation exposure to others, the client's bodily fluids (feces and urine) should be considered radioactive and disposed of properly in a designated container.
Choice B rationale:
While limiting the time of visitors can be a good measure to reduce radiation exposure, it is not the priority intervention. The primary concern is proper handling and disposal of radioactive bodily fluids.
Choice C rationale:
Keeping the client's linens in the room until after removal of the radiation source is not the correct choice. Radioactive linens should be handled and laundered separately, following appropriate safety protocols.
Choice D rationale:
Providing one dosimeter badge for staff to share while caring for the client is not adequate. Each staff member involved in direct care should have their dosimeter badge to monitor their individual radiation exposure levels.
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