ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. You are doing discharge teaching with a patient who has hypophosphatemia during his time in hospital. The patient has a diet ordered that is high in phosphate. What foods would you teach this patient to include in his diet? Select all that do not apply
- A. Milk
 - B. Beef
 - C. Poultry
 - D. Liver
 
Correct answer: B
Rationale:
2. A nurse is caring for a client who is experiencing excessive diarrhea. The clients arterial blood gas values are pH 7.28, PaO2 98 mm Hg, PaCO2 45 mm Hg, and HCO3 16 mEq/L. Which provider order should the nurse expect to receive?
- A. Furosemide (Lasix) 40 mg intravenous push
 - B. Sodium bicarbonate 100 mEq diluted in 1 L of D5W
 - C. Mechanical ventilation
 - D. Indwelling urinary catheter
 
Correct answer: B
Rationale:
3. What is the main water-holding force in the blood capillaries?
- A. Capillary blood pressure
 - B. Sodium in the blood plasma
 - C. Protein in the blood plasma
 - D. Chloride in the blood plasma
 
Correct answer: C
Rationale: The correct answer is C: Protein in the blood plasma. Plasma proteins, especially albumin, create oncotic pressure, which is the main force responsible for holding water within the blood capillaries. Capillary blood pressure (Choice A) is involved in pushing blood through the capillaries, while sodium and chloride in the blood plasma (Choices B and D) are electrolytes and do not play a significant role in the water-holding force within capillaries.
4. . One day after a patient is admitted to the medical unit, you note that the patient is oliguric. You notify the acutecare nurse practitioner who orders a fluid challenge of 200 mL of normal saline solution over 15 minutes. This intervention will achieve which of the following?
- A. Help distinguish hyponatremia from hypernatremia
 - B. Help evaluate pituitary gland function
 - C. Help distinguish reduced renal blood flow from decreased renal function
 - D. Help provide an effective treatment for hypertension-induced oliguria
 
Correct answer: C
Rationale:
5. You are caring for a patient admitted with a diagnosis of acute kidney injury. When you review your patients most recent laboratory reports, you note that the patients magnesium levels are high. You should prioritize assessment for which of the followin
- A. Diminished deep tendon reflexes
 - B. Tachycardia
 - C. Cool, clammy skin
 - D. Acute flank pain
 
Correct answer: A
Rationale:
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