A nurse assesses a diabetic client who is admitted with an acid-base imbalance. The client's arterial blood gas values are pH 7.39, PaCO2 27 mm Hg, and HCO3 19 mEq/L. Which sign or symptom does the nurse identify as an example of the client's compensatory mechanisms?
Increased release of acids from the kidneys.
Increased urinary output.
Increased thirst and hunger.
Increased rate and depth of respirations.
The Correct Answer is D
A. This is not a compensatory mechanism for metabolic acidosis. In fact, during metabolic acidosis, the kidneys excrete hydrogen ions (acid) and reabsorb bicarbonate (base) to help normalize the pH of the blood.
B. Increased urinary output (polyuria) is not typically a direct compensatory response to metabolic acidosis. However, metabolic acidosis can lead to osmotic diuresis in certain conditions, which may increase urinary output as the body tries to excrete excess acids and maintain electrolyte balance.
C. Increased thirst (polydipsia) and hunger (polyphagia) are not typical compensatory responses to metabolic acidosis. These symptoms are more associated with hyperglycemia in diabetes rather than acid-base disturbances.
D. During metabolic acidosis, the respiratory system compensates by increasing the rate and depth of respirations (hyperventilation). By blowing off more CO2 (carbon dioxide), the body tries to decrease the
amount of carbonic acid in the blood, thereby increasing the pH towards normal. This compensatory mechanism helps to raise the pH back towards the normal range (7.35-7.45).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Completing an incident report may be necessary if the refusal could potentially impact patient care or if there are policies or procedures in place that require documenting such incidents. It helps to document the details of the refusal and any subsequent actions taken.
B. If the AP refuses to take the specimen, the nurse may need to take responsibility for ensuring the specimen is delivered to the laboratory promptly. This ensures that patient care activities are not delayed and that necessary diagnostic tests are performed in a timely manner.
C. Reporting the refusal to the charge nurse or supervisor is appropriate, especially if there are concerns about the AP's behavior or if it is part of the facility's policy to escalate such incidents. The charge nurse can then address the situation and determine the appropriate course of action.
D. Communicating with the AP to understand their concerns is essential. It allows the nurse to clarify any misunderstandings, address any issues or barriers the AP may have, and potentially resolve the situation collaboratively. It's important to listen to the AP's perspective and provide clarification or reassurance if needed.
Correct Answer is ["A","B","E"]
Explanation
A. A urine output of 20 ml/hr is considered inadequate and may indicate decreased kidney perfusion or function. This client likely needs immediate assessment and intervention to address potential renal complications.
B. A patient with appendix surgery exhibiting a thready pulse and a blood pressure of 90/60 should be followed up immediately, as these signs can indicate shock, which is a medical emergency.
C. An approximated incision indicates that the wound edges are well-aligned and healing is progressing as expected. This does not typically warrant immediate follow-up unless there are signs of infection or other complications.
D. A strong pedal pulse suggests adequate blood flow distal to the surgical site. This is a positive finding and does not typically require immediate follow-up unless there are signs of vascular compromise or other complications.
E. A patient with bladder surgery having bloody urine within the first 12 hours can be expected, but if the bleeding is heavy or increases, it would warrant immediate follow-up.
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