ATI RN
Fluid and Electrolytes ATI Questions
Question 1 of 5
A female patient is discharged from the hospital after having an episode of heart failure. She's prescribed daily oral doses of digoxin (Lanoxin) and furosemide (Lasix). Two days later, she tells her community health nurse that she feels weak and her heart "flutters" frequently. What action should the nurse take?
Correct Answer: C
Rationale: Furosemide is a potassium-wasting diuretic. A low potassium level may cause weakness and palpitations. Telling the patient to rest more often won't help the patient if she's hypokalemic. Digoxin isn't causing the patient's symptoms, so she doesn't need to stop taking it. The patient should probably avoid caffeine, but this wouldn't resolve potassium depletion.
Question 2 of 5
The nurse assessing skin turgor in an elderly patient should remember that:
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.
Question 3 of 5
A nurse in the medical-surgical unit has a newly admitted patient who is oliguric; the acute care nurse practitioner orders a fluid challenge of 100 to 200 mL of normal saline solution over 15 minutes. The nurse is aware this intervention will help:
Correct Answer: C
Rationale: If a patient is not excreting enough urine, the health care provider needs to determine whether the depressed renal function is the result of reduced renal blood flow, which is a fluid Volume deficit (FVD) or prerenal azotemia, or acute tubular necrosis that results in necrosis or cellular death from prolonged FVD. A typical example of a fluid challenge involves administering 100 to 200 mL of normal saline solution over 15 minutes. The response by a patient with FVD but normal renal function is increased urine output and increased blood pressure.
Question 4 of 5
Third spacing occurs when fluid moves out of the intravascular space but not into the intracellular space. Based upon this fluid shift, the nurse will expect the patient to demonstrate:
Correct Answer: D
Rationale: Third-spacing fluid shift, which occurs when fluid moves out of the intravascular space but not into the intracellular space, can cause hypovolemia.
Question 5 of 5
The patient asks the nurse if he will die if air bubbles get into the IV tubing. What is the nurse's best response?
Correct Answer: B
Rationale: An air emboli is more often associated with central vein access. Usually only relatively large volumes of air administered rapidly are dangerous. It is more often a concern when air enters a central venous access line.
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