A nurse reviews the arterial blood gas (ABG) values of a client admitted with pneumonia: pH, 7.32; PaCO2, 48 mm Hg; PaO2, 70 mm Hg; and HCO3, 24 mEq/L. What do these values indicate?
Metabolic Acidosis
Respiratory Acidosis
Metabolic Alkalosis
Respiratory Alkalosis
The Correct Answer is B
A. Metabolic Acidosis
Metabolic acidosis is characterized by a low pH and low bicarbonate (HCO3) level. In this case, the pH is low (indicating acidosis), but the bicarbonate level is within the normal range, which is inconsistent with metabolic acidosis.
B. Respiratory Acidosis
This is correct. Respiratory acidosis is characterized by an elevated partial pressure of carbon dioxide (PaCO2), leading to a decrease in pH. The ABG values in this case indicate elevated PaCO2 and a low pH, consistent with respiratory acidosis.
C. Metabolic Alkalosis
Metabolic alkalosis is characterized by a high pH and high bicarbonate (HCO3) level. In this case, the pH is low (indicating acidosis), which is inconsistent with metabolic alkalosis.
D. Respiratory Alkalosis
Respiratory alkalosis is characterized by a low partial pressure of carbon dioxide (PaCO2) and a high pH. In this case, the PaCO2 is elevated, which is inconsistent with respiratory alkalosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Methylprednisolone (Solu-medrol):
Explanation: Acute adrenal insufficiency is a life-threatening condition characterized by a sudden deficiency of adrenal hormones. In this situation, intravenous glucocorticoids such as methylprednisolone are administered to replace the deficient hormones and stabilize the patient. This is the appropriate intervention to address the acute adrenal crisis.
B. Hypotonic saline:
Explanation: Hypotonic saline is not the first-line treatment for acute adrenal insufficiency. The priority is to replace glucocorticoids to address the adrenal hormone deficiency.
C. Potassium (K-dur):
Explanation: While electrolyte imbalances can occur in adrenal insufficiency, potassium replacement alone does not address the primary issue of glucocorticoid deficiency in acute adrenal insufficiency.
D. Regular Insulin:
Explanation: Regular insulin is not the primary treatment for acute adrenal insufficiency. Glucocorticoid replacement, such as methylprednisolone, is the key intervention.
Correct Answer is A
Explanation
A. "I have difficulty breathing when walking 30 feet":
Explanation: Difficulty breathing on exertion (dyspnea) is a common symptom of iron-deficiency anemia. This is because iron is a crucial component of hemoglobin, which carries oxygen to body tissues. In the absence of sufficient iron, the oxygen-carrying capacity of the blood is reduced, leading to symptoms such as shortness of breath.
B. "I feel hot all of the time":
Explanation: Feeling hot all the time is not a typical symptom of iron-deficiency anemia. Anemia is more likely to cause symptoms related to poor oxygen delivery, such as fatigue and shortness of breath.
C. "I have a difficult time falling asleep at night":
Explanation: Difficulty falling asleep is not a classic symptom of iron-deficiency anemia. Symptoms are more likely to be related to fatigue and weakness.
D. "I have an increase in my appetite":
Explanation: An increase in appetite is not a typical symptom of iron-deficiency anemia. In fact, individuals with anemia may experience a decrease in appetite.
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