A nurse is reviewing the laboratory results of a client who was hyperventilating during a panic attack.
Which of the following arterial blood gas values should the nurse expect?
pH 7.50 and HCO3 31 mm Hg.
pH 7.30 and HCO3 19 mm Hg.
pH 7.47 and PaCO2 31 mm Hg.
pH 7.32 and PaCO2 50 mm Hg.
The Correct Answer is C
The correct answer is: C.
Choice A reason: A pH of 7.50 and HCO3 of 31 mm Hg suggest a metabolic alkalosis due to the high bicarbonate level. However, during a panic attack, hyperventilation leads to respiratory alkalosis, not metabolic, due to the excessive exhalation of CO2, which is not consistent with this option.
Choice B reason: A pH of 7.30 and HCO3 of 19 mm Hg indicate a metabolic acidosis due to the low bicarbonate level. This is not typically associated with hyperventilation during a panic attack, which usually causes respiratory alkalosis, characterized by a decrease in CO2 levels and an increase in pH.
Choice C reason: A pH of 7.47 and PaCO2 of 31 mm Hg are indicative of respiratory alkalosis, which is expected during hyperventilation as a result of a panic attack. Hyperventilation causes a decrease in carbon dioxide (PaCO2) levels, leading to an increase in pH. The normal ranges for arterial blood gases are: pH 7.35-7.45, PaCO2 35-45 mm Hg, and HCO3 22-26 mEq/L.
Choice D reason: A pH of 7.32 and PaCO2 of 50 mm Hg suggest respiratory acidosis due to the elevated PaCO2 level. This would be more consistent with hypoventilation, which is not the case during a panic attack where hyperventilation occurs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
Choice A rationale:
Albuterol primarily acts as a bronchodilator by opening up the airways. It does not have a significant anti-inflammatory effect. Inhaled corticosteroids are more commonly used to reduce airway inflammation in asthma.
Choice B rationale:
Albuterol, a beta-2 agonist, helps with breathing by relaxing the smooth muscles in the airways, which opens them up. This action allows for improved airflow and ease of breathing. Therefore, this choice is correct.
Choice C rationale:
Albuterol is used to relieve bronchospasm, which can prevent wheezing in individuals with asthma. It does not have a direct effect on reducing mucus production or coughing.
Choice D rationale:
Albuterol does not increase the amount of mucus production. In fact, it can help reduce coughing by relieving bronchospasm, but it does not directly suppress coughing episodes.
Choice E rationale:
Albuterol can help reduce coughing episodes by improving airflow and reducing the irritation that leads to coughing.
Correct Answer is A
Explanation
Choice A rationale:
The nurse should instruct the client to consume foods rich in potassium because furosemide, a loop diuretic, can lead to potassium depletion. By consuming potassium-rich foods, the client can help maintain proper electrolyte balance. Common potassium-rich foods include bananas, oranges, potatoes, and leafy greens. It is crucial to prevent hypokalemia, as it can result in adverse effects such as cardiac dysrhythmias and muscle weakness.
Choice B rationale:
Taking furosemide at bedtime is not necessary, and it is not a standard instruction. Furosemide is usually taken in the morning to avoid nocturia, as it increases urine output. This option does not address the primary concern of managing pulmonary edema and the potential electrolyte imbalances associated with furosemide use.
Choice C rationale:
Taking aspirin for headaches is not relevant to the client's condition of pulmonary edema or the use of furosemide. This choice does not provide valuable guidance to the client and may lead to unnecessary medication use.
Choice D rationale:
Expecting swelling in the hands and feet is not an appropriate instruction for a client with pulmonary edema. The goal of furosemide therapy is to reduce edema and fluid retention, not to expect or tolerate swelling. This option does not contribute to the client's well-being and recovery.
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