George, an 85yearold man with a history of chronic obstructive pulmonary disease, was rushed to the emergency department with increasing shortness of breath, restlessness, and difficulty communicating due to his inability to complete a sentence. On assessment, tachycardia and a bounding pulse were noted. Wheezes could be heard in the lower lobes. His blood gas shows a pH of 7.3, PaCO2 of 68 mmHg, HCO3 of 28 mmol/L, and PaO2 of 60 mmHg. How would you interpret this?
Metabolic Acidosis, Uncompensated
Metabolic Acidosis, Partially Compensated
Respiratory Acidosis, Partially Compensated
Respiratory Acidosis, Uncompensated
The Correct Answer is C
Choice A reason: Metabolic acidosis is characterized by a low pH and a low HCO3. However, George's HCO3 is within normal range, indicating that metabolic acidosis is not the primary issue.
Choice B reason: Partially compensated metabolic acidosis would present with a low pH and a low HCO3, along with a low PaCO2 as the body attempts to compensate. George's PaCO2 is elevated, which is not consistent with this condition.
Choice C reason: George's high PaCO2 and near normal HCO3 suggest that his primary issue is respiratory acidosis. The body has begun to compensate by retaining HCO3, making it partially compensated.
Choice D reason: Uncompensated respiratory acidosis would present with an elevated PaCO2 and a normal HCO3. Since George's HCO3 is elevated, it indicates partial compensation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Maple syrup, while a source of energy, is not rich in iron or vitamins that can significantly contribute to increasing hemoglobin levels.
Choice B reason: Carrots are a good source of beta-carotene and fiber but are not particularly high in iron, which is necessary for increasing hemoglobin levels.
Choice C reason: Orange juice is rich in vitamin C, which can enhance iron absorption, but on its own, it does not contribute significantly to hemoglobin levels.
Choice D reason: Raisins are a good source of iron and can help increase hemoglobin levels. They are also convenient as a snack and can be easily incorporated into the diet.
Correct Answer is B
Explanation
Choice A reason: Headache can be associated with FES; however, it is not typically considered an early sign. It may occur as a part of the broader spectrum of symptoms.
Choice B reason: Dyspnea, or difficulty breathing, is one of the earliest signs of FES. Patients may experience shortness of breath due to fat globules obstructing pulmonary vessels.
Choice C reason: Red-brown petechiae, which are small, pinpoint hemorrhages, can appear on the skin and are a classic sign of FES, often found in the axillary region or on the chest.
Choice D reason: Altered mental status, including confusion and drowsiness, can occur early in FES due to fat emboli traveling to the cerebral circulation.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today