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 C
Explanation
Choice A rationale:
The nurse should not advise the client with multiple sclerosis to schedule all physical activities for the morning hours. While some individuals with multiple sclerosis may experience increased fatigue later in the day, the best approach is to encourage the client to schedule activities at times when they feel the most energetic and to balance physical activity with rest throughout the day.
Choice B rationale:
Monitoring blood pressure is essential while taking fingolimod, a medication used to treat multiple sclerosis, as it can cause a transient decrease in heart rate and blood pressure.
Therefore, the nurse should include this statement in the teaching to ensure the client's safety and early detection of any issues.
Choice C rationale:
This is the correct statement to include in the teaching. Clients with multiple sclerosis should avoid rigorous activities that increase body temperature, as this can worsen their symptoms due to the sensitivity of demyelinated nerves to heat. Activities such as hot baths or engaging in strenuous exercise in hot weather should be avoided.
Choice D rationale:
Corticosteroids are not typically used as a long-term treatment for multiple sclerosis. Instead, they are used for short courses during exacerbations to reduce inflammation and manage acute symptoms. Long-term use of corticosteroids can lead to significant adverse effects, so the nurse should not include this statement in the teaching.
Correct Answer is C
Explanation
Choice A rationale:
Having the client point their chin upward to swallow is not a recommended action to reduce the risk of aspiration. In fact, this action can increase the risk of choking and aspiration, as it may cause food or liquids to enter the airway.
Choice B rationale:
Offering the client saltine crackers between meals is not a suitable action for reducing the risk of aspiration. Saltine crackers are dry and can be challenging to swallow for someone with dysphagia, potentially increasing the risk of aspiration.
Choice C rationale:
Thicken liquids before serving is the correct action to reduce the risk of aspiration in a client with dysphagia. Thickened liquids are easier to swallow and less likely to enter the airway, reducing the risk of aspiration pneumonia.
Choice D rationale:
Placing food on the affected side of the mouth does not address the risk of aspiration directly. Dysphagia may affect both sides of the mouth, and placing food on one side does not ensure safe swallowing and reduces the effectiveness of addressing the problem.
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