ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. You are working on a burns unit, and one of your acutely ill patients is exhibiting signs and symptoms of third spacing. Based on this change in status, you should expect the patient to exhibit signs and symptoms of what imbalance?
- A. Metabolic alkalosis
- B. Hypermagnesemia
- C. Hypercalcemia
- D. Hypovolemia
Correct answer: D
Rationale: Third spacing refers to the loss of fluid from the intravascular space into the interstitial or third space, leading to a decrease in circulating blood volume. This condition results in hypovolemia, which is characterized by decreased blood volume. Metabolic alkalosis, hypermagnesemia, and hypercalcemia are not directly associated with third spacing. Metabolic alkalosis is an acid-base imbalance, hypermagnesemia is an excess of magnesium in the blood, and hypercalcemia is an excess of calcium in the blood, none of which are the primary concerns in cases of third spacing.
2. A nurse is caring for a client who is having a subclavian central venous catheter inserted. The client begins to report chest pain and difficulty breathing. After administering oxygen, which action should the nurse take next?
- A. Administer a sublingual nitroglycerin tablet
- B. Prepare to assist with chest tube insertion.
- C. . Place a sterile dressing over the IV site
- D. Re-position the client into the Trendelenburg position.
Correct answer: B
Rationale:
3. 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:
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. A nurse teaches a client who is prescribed a central vascular access device. Which statement should the nurse include in this clients teaching?
- A. You will need to wear a sling on your arm while the device is in place
- B. There is no risk of infection because sterile technique will be used during insertion.
- C. . Ask all providers to vigorously clean the connections prior to accessing the device.
- D. You will not be able to take a bath with this vascular access device.
Correct answer: C
Rationale:
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