The nurse is caring for a patient with metabolic acidosis. Which laboratory findings will the nurse expect to support this diagnosis? (Select All That Apply)
pH less than 7.35
HCO3 less than 22 mEq/L
PaCO2 greater than 45 mmHg
PaO2 less than 80 mmHg
SpO2 greater than 95%
Correct Answer : A,B,C
Choice A reason: A pH less than 7.35 indicates an acidic state, which is consistent with metabolic acidosis. The normal pH range is 7.35 to 7.45.
Choice B reason: HCO3 (bicarbonate) less than 22 mEq/L indicates a low level of bicarbonate, which is consistent with metabolic acidosis. Bicarbonate is a base, and lower levels indicate a loss of buffering capacity.
Choice C reason: PaCO2 greater than 45 mmHg is not a primary indicator of metabolic acidosis but can occur as a compensatory mechanism in response to respiratory acidosis. The primary indicators of metabolic acidosis are low pH and low bicarbonate.
Choice D reason: PaO2 less than 80 mmHg indicates hypoxemia but is not directly related to the diagnosis of metabolic acidosis. Hypoxemia can occur with various conditions, and while it may be present, it is not a defining characteristic of metabolic acidosis.
Choice E reason: SpO2 greater than 95% indicates normal oxygen saturation and is not relevant to the diagnosis of metabolic acidosis. Oxygen saturation primarily reflects respiratory function rather than acid-base balance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
Choice A reason: Candidiasis, or oral thrush, is a common side effect of inhaled corticosteroids like budesonide. Patients should be educated on the importance of rinsing their mouth after using the inhaler to reduce the risk of this fungal infection.
Choice B reason: Dysphonia, or hoarseness, is another potential side effect of budesonide inhalers. This occurs due to the medication's effect on the vocal cords and can be minimized by using a spacer and rinsing the mouth after inhalation.
Choice C reason: Weight loss is not a common side effect of inhaled budesonide. Inhaled corticosteroids typically do not affect body weight in the same way that systemic corticosteroids might.
Choice D reason: Headache is a potential side effect of budesonide inhalers. Patients should be informed about this possibility and advised to manage headaches with appropriate over-the-counter medications if needed.
Correct Answer is D
Explanation
Choice A reason: Joint swelling, tenderness, and pain with movement are common symptoms of systemic lupus erythematosus (SLE) but are not immediately life-threatening. They should be managed but are not the priority in this case.
Choice B reason: Red ulcers on the buccal mucosa are a concerning finding in SLE and can indicate active disease, but they are not the priority compared to signs of potential kidney involvement.
Choice C reason: Malar and discoid rashes are typical
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