A client with acute respiratory distress syndrome (ARDS) shows no improvement despite increases in concentration in oxygen administered. What intervention should the nurse attempt which may improve ventilation-perfusion matching?

Prone Position

Positioning supine with head elevated to 30-45 degrees

Infusion of Albumin

Transfusion of PRBC

Answer and Explanation

The Correct Answer is A

A. Prone positioning involves turning the patient onto their abdomen to improve ventilation-perfusion matching by redistributing ventilation to the dorsal lung regions, where perfusion is typically better in ARDS patients.

B. Semi-recumbent positioning may be used to prevent aspiration and reduce the risk of VAP but is not as effective as prone positioning for improving V/Q matching.

C. Albumin infusion is not specific interventions for improving ventilation-perfusion matching in ARDS and should be considered based on other clinical indications.

D. Transfusion of packed red blood cells (PRBC) may be indicated in cases of severe anemia or hypoxemia due to inadequate oxygen-carrying capacity. However, it is not a primary intervention for improving ventilation-perfusion matching in ARDS

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Correct Answer is C

Explanation

C. The first intervention should be to administer normal saline IV at 500 mL/hr to address the immediate concern of hypotension and inadequate tissue perfusion.

A. While fever control is important, especially in septic shock, administering acetaminophen should not be the first intervention in a patient with severe hypotension and shock. Addressing the low blood pressure and perfusion is a higher priority.

B. Hyperglycemia is common in critically ill patients, including those with septic shock. However, in this scenario, the patient's severely low blood pressure and signs of shock take precedence over managing hyperglycemia. Insulin therapy can be initiated later once the patient's hemodynamic status is stabilized.

D. Norepinephrine is a vasopressor medication commonly used in septic shock to increase blood pressure and improve perfusion to vital organs. It helps counteract the vasodilation and hypotension characteristic of septic shock.

A. The patient's central venous pressure is 3 mm Hg. B. The patient is receiving low dose dopamine. C. The patient is in sinus tachycardia at 120 beats/min. D. The patient has had no urine output since admission.

Correct Answer is A

Explanation

A Adequate fluid administration is essential before giving vasopressors to patients with hypovolemic shock. The patient’s low central venous pressure indicates a need for more volume replacement. The other patient data are not contraindications to norepinephrine administration.

B Low dose dopamine is not a contraindication to epinephrine administration.

C A sinus tachycardia is not a contraindication to epinephrine administration

D Lack of urine output is not a contraindication to epinephrine administration

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A client with acute respiratory distress syndrome (ARDS) shows no improvement despite increases in concentration in oxygen administered. What intervention should the nurse attempt which may improve ventilation-perfusion matching?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient with septic shock has a BP of 70/46 mm Hg. pulse of 136 beats/min, respirations of 32 breaths/min, temperature of 104" F, and blood glucose of 246 mg/dL. Which intervention ordered by the health care provider should the nurse implement first?

Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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