a patients most recent laboratory results show a slight decrease in potassium the physician has opted to forego drug therapy but has suggested increas
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Nursing Elites

ATI RN

ATI Fluid Electrolyte and Acid-Base Regulation

1. A patient's most recent laboratory results show a slight decrease in potassium. The physician has opted to forego drug therapy but has suggested increasing the patient's dietary intake of potassium. Which of the following would be a good source of potassium?

Correct answer: D

Rationale: Bananas are an excellent source of potassium. They are a popular choice for increasing dietary potassium intake due to their rich potassium content. Apples, asparagus, and carrots do not contain as high levels of potassium as bananas. While these fruits and vegetables are nutritious, they are not as effective in addressing a potassium deficiency as bananas.

2. Your patient has the following arterial blood gas results: pH 7.26, PaCO2 28, HCO3 11 mEq/L. How would the nurse interpret the results?

Correct answer: D

Rationale: The given arterial blood gas results show a low pH, indicating acidosis, with normal pH range being 7.35 to 7.45. The low PaCO2 suggests alkalosis, while the low bicarb level indicates acidosis. In this scenario, the primary issue is the metabolic acidosis, as the pH bicarb relationship supports this. The compensatory response to metabolic acidosis is a decrease in PaCO2, leading to a respiratory alkalosis. Therefore, the correct interpretation is 'Metabolic acidosis with a compensatory respiratory alkalosis.' Choices A, B, and C are incorrect as they do not accurately reflect the relationship between the pH, PaCO2, and HCO3 levels in the arterial blood gas results provided.

3. You are caring for a 65-year-old male patient admitted to your medical unit 72 hours ago with pyloric stenosis. A nasogastric tube placed upon admission has been on low intermittent suction ever since. Upon review of the mornings blood work, you notice that the patients potassium is below reference range. You should recognize that the patient may be at risk for what imbalance?

Correct answer: C

Rationale:

4. A patient admitted with a gastrointestinal bleed and anemia is receiving a blood transfusion. Based on the patient's hypotensive blood pressure, the nurse anticipates an order for IV fluids from the physician. Which of the following IV solutions may be administered with blood products?

Correct answer: D

Rationale: The correct answer is D: 0.9% NaCl. The only IV solution that can be administered with blood products is normal saline (0.9% NaCl). This solution is compatible with most blood products and is commonly used during transfusions to maintain hemodynamic stability. Choices A, B, and C are incorrect. Choice A, D5 and 0.45% Normal Saline, contains dextrose and is not recommended to be given simultaneously with blood products. Choice B, Lactated Ringer's, contains calcium, which can cause coagulation and should not be mixed with blood. Choice C, 5% dextrose in water, is hypotonic and not suitable to be administered with blood products.

5. A nurse in the neurologic ICU has orders to infuse a hypertonic solution into a patient with increased intracranial pressure. This solution will increase the number of dissolved particles in the patients blood, creating pressure for fluids in the tissues to shift into the capillaries and increase the blood volume. This process is best described as which of the following?

Correct answer: B

Rationale:

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