ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. A nurse is caring for a client who is experiencing moderate metabolic alkalosis. Which action should the nurse take?
- A. Monitor daily hemoglobin and hematocrit values.
- B. Administer furosemide (Lasix) intravenously.
- C. Encourage the client to take deep breaths.
- D. Teach the client fall prevention measures.
Correct answer: D
Rationale:
2. 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:
3. A nurse educator is reviewing peripheral IV insertion with a group of novice nurses. How should these nurses be encouraged to deal with excess hair at the intended site?
- A. Leave the hair intact
- B. Shave the area.
- C. Clip the hair in the area.
- D. Remove the hair with a depilatory.
Correct answer: C
Rationale:
4. Which substance dissociates into ions in a water solution?
- A. Intracellular fluid
- B. Interstitial fluid
- C. Plasma
- D. Electrolyte
Correct answer: D
Rationale: The correct answer is 'Electrolyte.' Electrolytes are substances that dissociate into ions when dissolved in water. Intracellular fluid, interstitial fluid, and plasma are not substances that dissociate into ions in a water solution. Intracellular fluid is the fluid inside cells, interstitial fluid is the fluid between cells, and plasma is the liquid component of blood. These choices do not dissociate into ions in a water solution, unlike electrolytes.
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?
- A. Hydrostatic pressure
- B. Osmosis and osmolality
- C. Diffusion
- D. Active transport
Correct answer: B
Rationale:
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