Fluid and Electrolytes ATI

Questions 40

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Fluid and Electrolytes ATI Questions

Question 1 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 2 of 5

A nurse preparing to start an IV on a newly admitted patient teaches the patient about the procedure and begins to prepare the site. The nurse should always start by:

Correct Answer: C

Rationale: Before preparing the skin, the nurse should ask the patient if he or she is allergic to latex or iodine, which are products commonly used in setting up for IV therapy. A local reaction could result in irritation to the IV site or, in the extreme, it could result in anaphylaxis, which can be life threatening.

Question 3 of 5

A patient with hypokalemia and heart failure is admitted to the telemetry unit. The nurse is aware that hypokalemia could cause which of the following abnormalities on an electrocardiogram (ECG)?

Correct Answer: D

Rationale: Hypokalemia often causes characteristic ECG changes, including an elevated U wave and flattened T waves.

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 in the intensive care unit receives arterial blood gases (ABG) with a patient who is complaining of being 'short of breath.' The ABG has the following values: pH = 7.21, PaCO2 = 64 mm Hg, HCO3 = 24 mm Hg. The labs reflect:

Correct Answer: A

Rationale: A pH of less than 7.40, a PaCO2 greater than 40, and an HCO3 of 24 are normal; therefore, it is a respiratory acidosis. Compensation by the kidneys has not begun, which indicates this was probably an acute event.

Similar Questions

The nurse in the intensive care unit receives arterial blood gases (ABG) with a patient who is complaining of being 'short of breath.' The ABG has the following values: pH = 7.21, PaCO2 = 64 mm Hg, HCO3 = 24 mm Hg. The labs reflect:
The nurse who assesses the patient's peripheral IV site and notes edema around the insertion site will document which complication related to IV therapy?
The nurse preparing a site for the insertion of an IV catheter should treat excess hair at the site by:
A patient who is in renal failure partially loses the ability to regulate changes in pH because the kidneys:
A 65-year-old male patient was admitted to a medical-surgical unit 72 hours ago with pyloric stenosis; a nasogastric tube was inserted upon admission and has been on low intermittent suction since then. The nurse taking care of the patient notices that his potassium is very low and becomes concerned that the patient may be at risk for:

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