ATI RN
Fluid and Electrolytes ATI
1. When preparing a site for the insertion of an IV catheter, how should excess hair at the site be treated?
- A. Leaving the hair intact
- B. Shaving the area
- C. Clipping the hair in the area
- D. Removing the hair with a depilatory
Correct answer: C
Rationale: The correct answer is to clip the hair in the area. Excess hair at the site of IV catheter insertion should be removed because it can be a potential source of infection. Clipping the hair is preferred over shaving because shaving can cause skin abrasions, increasing the risk of infection. Using depilatories is not recommended as they can irritate the skin, which is undesirable when preparing a clean site for an invasive procedure. Therefore, clipping the hair in the area is the most appropriate and safe method to prepare the site for IV catheter insertion.
2. Which of the following might the nurse assess in a patient diagnosed with hypermagnesemia?
- A. Diminished deep tendon reflexes
- B. Tachycardia
- C. Cool clammy skin
- D. Increased serum magnesium
Correct answer: A
Rationale: The correct answer is A: Diminished deep tendon reflexes. In a patient with hypermagnesemia, the nurse would assess for diminished deep tendon reflexes. Hypermagnesemia can lead to neuromuscular depression, causing a decrease in deep tendon reflexes. Tachycardia (choice B) is more commonly associated with hypomagnesemia. Cool clammy skin (choice C) is not typically a direct symptom of hypermagnesemia. While hypermagnesemia does involve increased serum magnesium levels (choice D), assessing serum levels is a laboratory test and not a clinical assessment like checking deep tendon reflexes.
3. A patient is in the hospital with heart failure. The nurse notes during the evening assessment that the patient's neck veins are distended and the patient has dyspnea. What action should the nurse take?
- A. Place the patient in low Fowler's position and notify the physician.
- B. Increase the patient's IV fluid and auscultate the lungs.
- C. Place the patient in semi-Fowler's position and prepare to give the PRN diuretic as ordered.
- D. Discontinue the patient's IV.
Correct answer: C
Rationale: The symptoms of distended neck veins and dyspnea indicate fluid overload in a patient with heart failure. Placing the patient in semi-Fowler's position helps with respiratory effort and administering diuretics, as ordered, can assist in reducing fluid volume. Placing the patient in low Fowler's position (Choice A) may not be as effective in improving breathing. Increasing IV fluid (Choice B) is contraindicated in fluid overload conditions. Discontinuing the IV (Choice D) is not the immediate intervention needed to address the symptoms of fluid overload.
4. A nurse assesses a client who is prescribed a medication that inhibits aldosterone secretion and release. For which potential complications should the nurse assess? (Select all that apply.)
- A. Urine output of 25 mL/hr
- B. Serum potassium level of 5.4 mEq/L
- C. Blood osmolality of 250 mOsm/L
- D.
Correct answer: A
Rationale:
5. The nurse caring for a patient post colon resection is assessing the patient on the second postoperative day. The nasogastric tube (NG) remains patent and continues at low intermittent wall suction. The IV is patent and infusing at 125 mL/hr. The patient reports pain at the incision site rated at a 3 on a 0-to-10 rating scale. During your initial shift assessment, the patient complains of cramps in her legs and a tingling sensation in her feet. Your assessment indicates decreased deep tendon reflexes (DTRs) and you suspect the patient has hypokalemia. What other sign or symptom would you expect this patient to exhibit
- A. Diarrhea
- B. Dilute urine
- C. Increased muscle tone
- D. Joint pain
Correct answer: B
Rationale:
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