Exhibits

Which other labs would be helpful for the treatment of diabetic ketoacidosis (DKA)? Select all that apply.

White blood cell differential

Hemoglobin A1C

Serum electrolytes

Urine culture

Anion gap

Urine ketones

Answer and Explanation

Correct Answer : C,E,F

A. White blood cell differential. Although infection is a common precipitating factor for DKA, an elevated WBC count is common in DKA due to stress, dehydration, and inflammation rather than infection itself. While a WBC differential may be done if infection is suspected, it is not a primary test for DKA management.
B. Hemoglobin A1C. Hemoglobin A1C (HbA1c) reflects long-term glucose control (past 2-3 months) but does not provide immediate information about the current metabolic status or severity of DKA. While it may be useful in assessing overall diabetes management, it is not essential for acute DKA treatment.
C. Serum electrolytes. Patients with DKA experience significant electrolyte imbalances, particularly potassium depletion due to osmotic diuresis and insulin deficiency. Monitoring serum sodium, potassium, and bicarbonate is crucial for guiding fluid and electrolyte replacement therapy. Potassium levels may appear normal or high initially due to acidosis but typically drop with insulin administration.
D. Urine culture. A urine culture is only indicated if a urinary tract infection (UTI) is suspected as a trigger for DKA. However, routine urine culture is not required in every case of DKA unless there are symptoms of infection such as fever, dysuria, or pyuria.
E. Anion gap. DKA is a form of high anion gap metabolic acidosis, caused by the accumulation of ketones. The anion gap (AG) is calculated as (Na⁺ - [Cl⁻ + HCO₃⁻]), with a value >12 mEq/L indicating metabolic acidosis. Monitoring the anion gap helps assess the severity of acidosis and guide treatment progress, as a decreasing anion gap suggests resolution of ketosis.
F. Urine ketones. Urine ketone testing helps confirm the presence of ketoacidosis, particularly in the initial stages of DKA diagnosis. While serum beta-hydroxybutyrate is a more accurate indicator of ketone levels, urine ketones remain useful for initial screening and monitoring treatment response as they decrease with appropriate management.

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Correct Answer is A

Explanation

A. Respirations are shallow, labored, and 14 breaths/minute. A C5 spinal cord injury can impair diaphragmatic function and respiratory effort, leading to respiratory failure. Shallow and labored breathing suggests that the client is experiencing respiratory compromise, which can quickly progress to hypoventilation, hypoxia, and respiratory arrest. Immediate intervention, such as assisted ventilation or intubation, may be necessary to maintain adequate oxygenation and prevent further complications.
B. Has flaccid upper and lower extremities. Flaccid paralysis is an expected finding immediately after a high spinal cord injury due to spinal shock. While this condition requires ongoing monitoring, it is not an immediate life-threatening emergency like respiratory distress.
C. Blood pressure is 110/70 mm Hg and the apical heart rate is 68 beats/minute. These vital signs are within normal limits and do not indicate hemodynamic instability. Neurogenic shock, which can occur with high spinal injuries, typically presents with hypotension and bradycardia, but this client’s current BP and HR are stable.
D. Is unable to feel sensation in the arms and hands. Loss of sensation is expected with a cervical spinal cord injury due to nerve pathway disruption. While this finding is significant, it does not require immediate intervention compared to respiratory distress, which is the most urgent priority.

A. pH 7.25 and HCO₃⁻ 18 mEq/L B. pH 7.30 and HCO₃⁻ 20 mEq/L C. pH 7.38 and HCO₃⁻ 24 mEq/L D. pH 7.20 and HCO₃⁻ 15 mEq/L

Correct Answer is C

Explanation

A. pH 7.25 and HCO₃⁻ 18 mEq/L. A pH of 7.25 is still acidotic, and a bicarbonate level of 18 mEq/L is below the normal range (22–26 mEq/L), indicating persistent metabolic acidosis. This suggests that ketoacidosis is not fully resolved, requiring continued insulin therapy, hydration, and electrolyte management.
B. pH 7.30 and HCO₃⁻ 20 mEq/L. While this shows partial improvement, the pH remains below 7.35, indicating ongoing mild acidosis. The bicarbonate level is still below normal, suggesting that buffering capacity is not yet fully restored. Additional treatment is required to completely normalize acid-base balance.
C. pH 7.38 and HCO₃⁻ 24 mEq/L. A pH of 7.38 falls within the normal range (7.35–7.45), indicating that acidosis has resolved. The bicarbonate level of 24 mEq/L is within normal limits, confirming that the body’s buffering system has been restored. These values suggest that ketoacidosis has resolved, and treatment has been effective.
D. pH 7.20 and HCO₃⁻ 15 mEq/L. A pH of 7.20 indicates severe metabolic acidosis, and a bicarbonate level of 15 mEq/L shows a significant loss of buffering capacity. These values suggest uncontrolled DKA or worsening acidosis, requiring urgent intervention with continued insulin therapy, fluid resuscitation, and electrolyte replacement.

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Exhibits Which other labs would be helpful for the treatment of diabetic ketoacidosis (DKA)? Select all that apply.

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Naxlex Comprehensive Predictor Exams

A client is admitted to the neurological intensive care unit after having just sustained a C5 spinal cord injury (SCI). Which assessment finding for this client warrants immediate intervention by the nurse?

Correct Answer is A

Explanation

Exhibits Complete the following sentence by choosing from the lists of options. A pH level of ________ and bicarbonate (HCO3-) level of________indicate a resolution of ketoacidosis.

Correct Answer is C

Explanation

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The nurse is caring for a client who has hemorrhaged postoperatively and is in an early stage of shock. Which cardiopulmonary symptoms are most indicative of progressive hypovolemic shock?

Exhibits Which are three goals of therapy for this client?

A client who was involved in a motor vehicle collision while riding a motorcycle without wearing a helmet, is brought the emergency department (ED) by emergency medical services (EMS). Which assessment should the nurse obtain first?

Exhibits

Which other labs would be helpful for the treatment of diabetic ketoacidosis (DKA)? Select all that apply.