A patient's ABG results are: pH 7.50, PCO2 25, HCO3 25, PO2 80. Which finding should the nurse expect as the body compensates for the acid-base imbalance?
The kidneys will excrete more HCO3 into the urine.
The respiratory system will increase RR.
The kidneys will create more HCO3.
The respiratory system will decrease respiratory rate (RR).
The Correct Answer is D
A. While the kidneys do excrete HCO3 to help in metabolic compensation, this process is slower than respiratory compensation.
B. An increase in respiratory rate would further decrease CO2, worsening the alkalosis rather than compensating for it.
C. Creating more HCO3 would not compensate for respiratory alkalosis and would actually increase the pH further.
D. The body will decrease the respiratory rate to retain more CO2, helping to lower the pH and partially correct the alkalosis.
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Related Questions
Correct Answer is A
Explanation
A. Endometriosis involves the growth of endometrial tissue outside the uterus, causing inflammation, scarring, and adhesions that may obstruct reproductive pathways, leading to infertility.
B. Endometriosis typically does not cause urethral strictures; adhesions affect the reproductive tract, not the urinary system.
C. While retrograde menstruation is a theory for endometriosis development, it does not directly lead to a neoplastic (cancerous) condition of the ovaries.
D. Endometriosis is not caused by an untreated bacterial infection; rather, it is a condition of abnormal endometrial tissue growth.
Correct Answer is C
Explanation
A. Bleeding in the brain could cause neurological symptoms but does not directly correlate with the respiratory acidosis indicated by the ABGs.
B. Anxiety typically leads to respiratory alkalosis due to hyperventilation, which does not align with the results showing acidemia.
C. The ABG results indicate a primary respiratory acidosis (low pH and elevated PCO2), which can occur in kidney failure due to the kidneys' inability to excrete acids and manage bicarbonate, leading to an accumulation of CO2.
D. Extreme vomiting is associated with metabolic alkalosis due to loss of gastric acid, which does not explain the acid-base disturbance presented.
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