ATI RN
Fluid and Electrolytes ATI Questions
Question 1 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 2 of 5
The nurse preparing a site for the insertion of an IV catheter should treat excess hair at the site by:
Correct Answer: C
Rationale: Hair can be a source of infection and should be removed by clipping. Shaving the area can cause skin abrasions, and depilatories can irritate the skin.
Question 3 of 5
A patient with diabetes insipidus is admitted to the intensive care unit after a motor vehicle accident that resulted in head trauma and damage to the pituitary gland. Diabetes insipidus can occur when there is a decreased production of which of the following?
Correct Answer: A
Rationale: Diabetes insipidus is characterized by a deficiency in antidiuretic hormone (ADH), leading to excessive urine output and thirst.
Question 4 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 5 of 5
The nurse is evaluating a patient's laboratory results. Based upon the laboratory findings, what results will cause the release of an antidiuretic hormone (ADH)?
Correct Answer: A
Rationale: Increased serum sodium causes increased thirst and the release of ADH by the posterior pituitary gland.
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