For an arterial blood gas (ABG) to have full compensation, which of the following statements is correct?
pCO2 and pHCO3 and pH are abnormal but the pa02 remains between 80-100 mmHg
arterial pH & pCO2 are abnormal but the pHCO3 is starting to change
pCO2, pHCO3 and pH have adjusted in expected range in 72 hours
arterial pH is between 7.35-7.45 and the pCO2 & pO2 are abnormal
The Correct Answer is C
C. Full compensation typically occurs within 2 to 3 days (approximately 72 hours) after the onset of an acid-base disturbance. During full compensation, the primary acid-base disorder (e.g., respiratory acidosis or alkalosis, metabolic acidosis or alkalosis) is still present, but the compensatory mechanisms have effectively brought the pH, pCO2, and bicarbonate (pHCO3) levels back towards normal range.
A. Full compensation occurs when both the primary disorder (respiratory or metabolic) and the compensatory mechanism (renal or respiratory) are functioning to return the pH towards normal. In this option, while the pO2 is within the normal range, the pH, pCO2, and bicarbonate (pHCO3) are all abnormal, indicating an ongoing imbalance.
B. Full compensation occurs when all components of the ABG are within or approaching normal range, indicating that the body's compensatory mechanisms have effectively counteracted the primary acid- base disturbance. In this option, the bicarbonate (pHCO3) is mentioned as starting to change, indicating incomplete compensation.
D. While the pH is within the normal range, both the pCO2 and pO2 are abnormal, indicating a primary respiratory disturbance. In the case of full compensation, the pH, pCO2, and bicarbonate (pHCO3) levels would all be within or approaching normal range, indicating that the compensatory mechanisms have effectively counteracted the primary acid-base disturbance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Infiltration occurs when the intravenous solution leaks into the surrounding tissue instead of flowing into the vein. This can cause discomfort, swelling, and potential tissue damage. Stopping the infusion immediately helps prevent further infiltration and minimizes the risk of complications such as tissue necrosis or damage.
B. While documenting the findings is important for the client's medical record, it is not the first action to take when suspecting infiltration. Immediate intervention to stop the infusion and assess the site for complications takes precedence over documentation.
C. Flushing the catheter with normal saline may be necessary after stopping the infusion to ensure patency and clear any remaining solution from the catheter. However, this step should follow the immediate cessation of the infusion to prevent further infiltration.
D. Removing the catheter may be necessary if significant infiltration has occurred or if there are signs of tissue damage. However, this should be done after stopping the infusion to prevent further infiltration and should be based on the assessment findings and healthcare provider's instructions.
Correct Answer is B
Explanation
B. Adapting to a stressor involves adjusting one's thoughts, feelings, or behaviors in response to the stressor. The nursing instructor's advice to the student to think of each clinical day as an opportunity to learn new things is an example of adapting to the stressor of clinical anxiety. By reframing the clinical experience as an opportunity for growth and learning, the student can change their perspective and better cope with their anxiety.
A. Eliminating a stressor involves completely removing the source of stress from the situation. In this scenario, the nursing instructor is not removing the clinical experience itself, which may be causing the student's anxiety, but rather providing a coping strategy to help the student manage their anxiety and view the clinical day in a more positive light.
C. Altering a stressor involves making changes to the stressor itself to reduce its impact or eliminate it altogether. In this scenario, the nursing instructor is not directly altering the clinical experience but rather providing a cognitive coping strategy to help the student manage their anxiety. While altering the clinical experience itself may not be feasible, altering one's perception of the experience can be an effective way to cope with stress.
D. Avoiding a stressor involves deliberately avoiding or withdrawing from the situation or activity that is causing stress. In this scenario, the nursing instructor is not advising the student to avoid clinical altogether but rather providing guidance on how to approach and cope with the clinical experience in a more positive and constructive manner.
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