Exhibits

Complete the following sentence by choosing from the lists of options.

A pH level of and bicarbonate (HCO3-) level ofindicate a resolution of ketoacidosis.

pH 7.25 and HCO₃⁻ 18 mEq/L

pH 7.30 and HCO₃⁻ 20 mEq/L

pH 7.38 and HCO₃⁻ 24 mEq/L

pH 7.20 and HCO₃⁻ 15 mEq/L

Answer and Explanation

The Correct Answer is C

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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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. Narrowed pulse pressure, presence of 3+ femoral pulses, apneic episodes. B. Widening pulse pressure, muffled heart sounds, presence of atrial gallop. C. Increased heart rate, lowered systolic reading, peripheral extremity mottling. D. Irregular heart rate, elevated diastolic reading, increased respiratory rate.

Correct Answer is C

Explanation

A. Narrowed pulse pressure, presence of 3+ femoral pulses, apneic episodes. Narrowed pulse pressure is consistent with hypovolemic shock, but 3+ femoral pulses are not expected, as shock leads to weak, thready pulses due to reduced perfusion. Apneic episodes typically occur in the late stages of shock, not in the early or progressive stages.
B. Widening pulse pressure, muffled heart sounds, presence of atrial gallop. A widening pulse pressure and muffled heart sounds are more indicative of cardiac tamponade, not hypovolemic shock. Hypovolemic shock is characterized by a narrowing pulse pressure due to a drop in systolic blood pressure while diastolic pressure remains relatively stable.
C. Increased heart rate, lowered systolic reading, peripheral extremity mottling. Tachycardia is an early compensatory response to hypovolemia as the body attempts to maintain cardiac output. As shock progresses, systolic blood pressure drops due to inadequate circulating volume. Peripheral extremity mottling occurs as the body shunts blood to vital organs, reducing perfusion to the skin. These signs are characteristic of progressive hypovolemic shock.
D. Irregular heart rate, elevated diastolic reading, increased respiratory rate. An irregular heart rate is not a primary indicator of hypovolemic shock. While respiratory rate increases in response to decreased oxygen delivery, an elevated diastolic reading is uncommon, as diastolic pressure tends to stay stable or decrease slightly with ongoing hypovolemia.

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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.

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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

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?

Correct Answer is C

Explanation

The nurse is evaluating a client's central venous pressure (CVP) also called right atrial pressure (RAP) readings that are trending upwards. Which nursing problem is supported by the pathophysiologic mechanism most likely causing the increases?

A postoperative client is admitted to the intensive care unit (ICU) with an inflated pressure infuser containing a solution of heparin 2 units/ml attached to an intra-arterial (IA) cannula. Which finding indicates that the heparin infusion has achieved its therapeutic use?

A client has been treated for uncontrolled atrial fibrillation with cardioversion. Following the cardioversion, which assessment finding indicates to the nurse that the desired outcome was achieved?

An adult with head and facial injuries from a motor vehicle collision is fully immobilized and has a Glasgow coma score of 6. The client is intubated, sedated, and is being prepared for transfer to a regional trauma center. Which intervention(s) should the nurse implement? Select all that apply.

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

A client with a gunshot wound is brought to the emergency department (ED) with a bullet entry at the spinal level of C8 and T1.The client is able to move the upper arms. To further assess the client's spinal nerve function, which action should the nurse implement?

Exhibits

Complete the following sentence by choosing from the lists of options.

A pH level of and bicarbonate (HCO3-) level ofindicate a resolution of ketoacidosis.