The nurse is caring for an infant who has a history of bronchopneumonia.
What should the nurse anticipate when monitoring laboratory results? Which of the following venous blood gas results should the nurse expect?
pO2: 75, pCO2: 40, HCO3: 28.
pO2: 55, pCO2: 50, HCO3: 30.
pO2: 75, pCO2: 40, HCO3: 24.
pO2: 55, pCO2: 50, HCO3: 24. .
The Correct Answer is B
Choice A rationale
A pO2 of 75, pCO2 of 40, and HCO3 of 28 would be within normal limits for an infant. This would not typically be expected in an infant with a history of bronchopneumonia, as this condition often causes hypoxemia (low blood oxygen levels)78.
Choice B rationale
A pO2 of 55, pCO2 of 50, and HCO3 of 30 would indicate respiratory acidosis, which can occur in conditions like bronchopneumonia. The low pO2 indicates hypoxemia, while the high pCO2 indicates hypercapnia (excessive carbon dioxide in the bloodstream). The increased HCO3 is a compensatory mechanism to try to maintain the pH balance.
Choice C rationale
A pO2 of 75, pCO2 of 40, and HCO3 of 24 would be within normal limits for an infant. This would not typically be expected in an infant with a history of bronchopneumonia.
Choice D rationale
A pO2 of 55, pCO2 of 50, and HCO3 of 24 would indicate respiratory acidosis without compensation. However, in a chronic condition like bronchopneumonia, some degree of compensation (increased HCO3) would typically be expected.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["90"]
Explanation
When administering an intramuscular injection into the vastus lateralis muscle, the nurse should use a 90-degree angle. This ensures that the medication is delivered directly into the muscle tissue, allowing for optimal absorption.
Correct Answer is C
Explanation
Choice A rationale
Positioning the infant on its abdomen after a cleft lip repair is not recommended. This position can put pressure on the surgical site and may lead to complications such as bleeding or infection.
Choice B rationale
Offering a pacifier to an infant who has just undergone a cleft lip repair is not advisable. The sucking motion can cause strain on the surgical site and may lead to complications such as dehiscence (separation of the wound edges) or infection.
Choice C rationale
Encouraging the parents to hold and comfort the infant is the best course of action. Holding provides comfort and security to the infant, which can help in reducing fussiness. Moreover, parental involvement in the care of the infant promotes bonding and has positive effects on the infant’s emotional and psychological well-being.
Choice D rationale
Administering Ibuprofen as needed for pain is not the best option. While Ibuprofen is a good analgesic, it is not the first choice for pain management in infants due to the risk of side effects. Moreover, pain management should be individualized, considering the infant’s age, weight, overall health status, and the nature and extent of the surgery.
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