ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. 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:
2. You are the nurse caring for a patient who is to receive IV daunorubicin, a chemotherapeutic agent. You start the infusion and check the insertion site as per protocol. During your most recent check, you note that the IV has infiltrated so you stop the infusion. What is your main concern with this infiltration?
- A. Extravasation of the medication
- B. Discomfort to the patient
- C. Blanching at the site
- D. Hypersensitivity reaction to the medication
Correct answer: A
Rationale:
3. A nurse is caring for a client who is receiving an epidural infusion for pain management. Which assessment finding requires immediate intervention from the nurse?
- A. Redness at the catheter insertion site
- B. Report of headache and stiff neck
- C. Temperature of 100.1 F (37.8 C)
- D. Pain rating of 8 on a scale of 0 to 10
Correct answer: B
Rationale:
4. 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.
5. A patient has questioned the nurses administration of IV normal saline, asking whether sterile water would be a more appropriate choice than saltwater. Under what circumstances would the nurse administer electrolyte-free water intravenously?
- A. Never, because it rapidly enters red blood cells, causing them to rupture.
- B. When the patient is severely dehydrated resulting in neurologic signs and symptoms
- C. When the patient is in excess of calcium and/or magnesium ions
- D. When a patients fluid volume deficit is due to acute or chronic renal failure
Correct answer: A
Rationale:
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