ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. The community health nurse is performing a home visit to an 84-year-old woman recovering from hip surgery. The nurse notes that the woman seems uncharacteristically confused and has dry mucous membranes. When asked about her fluid intake, the patient states, I stop drinking water early in the day because it is just too difficult to get up during the night to go to the bathroom. What would be the nurses best response?
- A. I will need to have your medications adjusted so you will need to be readmitted to the hospital for a complete workup
- B. Limiting your fluids can create imbalances in your body that can result in confusion. Maybe we need to adjust the timing of your fluids.
- C. It is normal to be a little confused following surgery, and it is safe not to urinate at night.
- D. If you build up too much urine in your bladder, it can cause you to get confused, especially when your body is under stress.
Correct answer: B
Rationale:
2. The nurse assessing skin turgor in an elderly patient should remember that:
- A. Overhydration causes the skin to tent.
- B. Dehydration causes the skin to appear edematous and spongy.
- C. Inelastic skin turgor is a normal part of aging.
- D. Normal skin turgor is moist and boggy.
Correct answer: C
Rationale: Inelastic skin turgor is a normal part of aging. Dehydration, not overhydration, causes inelastic skin with tenting. Overhydration, not dehydration, causes the skin to appear edematous and spongy. Normal skin turgor is dry and firm. Choice A is incorrect because overhydration does not cause the skin to tent; it is dehydration that leads to tenting. Choice B is incorrect because dehydration, not overhydration, causes the skin to appear edematous and spongy. Choice D is incorrect because normal skin turgor is dry and firm, not moist and boggy.
3. A nurse is assessing clients on a medical-surgical unit. Which clients are at increased risk for hypophosphatemia? (Select all that do not apply.)
- A. A 36-year-old who is malnourished
- B. A 42-year-old with uncontrolled diabetes
- C. A 76-year-old who is prescribed antacids
- D. 50-year-old with hyperparathyroidism
Correct answer: C
Rationale:
4. The physician has ordered a peripheral IV to be inserted before the patient goes for computed tomography. What should the nurse do when selecting a site on the hand or arm for insertion of an IV catheter?
- A. Choose a hairless site if available.
- B. Consider potential effects on the patients mobility when selecting a site.
- C. Have the patient briefly hold his arm over his head before insertion
- D. Leave the tourniquet on for at least 3 minutes.
Correct answer: B
Rationale:
5. 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?
- A. Hypercalcemia
- B. Metabolic acidosis
- C. Metabolic alkalosis
- D. Respiratory acidosis
Correct answer: C
Rationale:
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