ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. Place a washcloth between the skin and tourniquet
- A. Provide a bed bath instead of letting the client take a shower
 - B. Use sterile technique when changing the dressing.
 - C. Disconnect the intravenous fluid tubing prior to the clients bath.
 - D. Use a plastic bag to cover the extremity with the device
 
Correct answer: D
Rationale:
2. The healthcare provider is evaluating a patient's laboratory results. Based on the laboratory findings, what results will cause the release of an antidiuretic hormone (ADH)?
- A. Increased serum sodium
 - B. Decreased serum sodium
 - C. Decrease in serum osmolality
 - D. Decrease in thirst
 
Correct answer: A
Rationale: The correct answer is A: Increased serum sodium. When serum sodium levels increase, it triggers the release of ADH by the posterior pituitary gland. ADH helps in retaining water, reducing urine output, and maintaining fluid balance. Choices B, C, and D are incorrect because decreased serum sodium, decrease in serum osmolality, and decrease in thirst do not stimulate the release of ADH.
3. A patient is in the hospital with heart failure. The nurse notes during the evening assessment that the patient's neck veins are distended and the patient has dyspnea. What action should the nurse take?
- A. Place the patient in low Fowler's position and notify the physician.
 - B. Increase the patient's IV fluid and auscultate the lungs.
 - C. Place the patient in semi-Fowler's position and prepare to give the PRN diuretic as ordered.
 - D. Discontinue the patient's IV.
 
Correct answer: C
Rationale: The symptoms of distended neck veins and dyspnea indicate fluid overload in a patient with heart failure. Placing the patient in semi-Fowler's position helps with respiratory effort and administering diuretics, as ordered, can assist in reducing fluid volume. Placing the patient in low Fowler's position (Choice A) may not be as effective in improving breathing. Increasing IV fluid (Choice B) is contraindicated in fluid overload conditions. Discontinuing the IV (Choice D) is not the immediate intervention needed to address the symptoms of fluid overload.
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. 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:
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