HESI RN
Adult Health 2 HESI Quizlet
1. A patient has a parenteral nutrition infusion of 25% dextrose. A student nurse asks the nurse why a peripherally inserted central catheter was inserted. Which response by the nurse is most appropriate?
- A. There is a decreased risk for infection when 25% dextrose is infused through a central line.
- B. The prescribed infusion can be given much more rapidly when the patient has a central line.
- C. The 25% dextrose is hypertonic and will be more rapidly diluted when given through a central line.
- D. The required blood glucose monitoring is more accurate when samples are obtained from a central line.
Correct answer: C
Rationale: The 25% dextrose solution is hypertonic. Shrinkage of red blood cells can occur when solutions with dextrose concentrations greater than 10% are administered IV. Blood glucose testing is not more accurate when samples are obtained from a central line. The infection risk is higher with a central catheter than with peripheral IV lines. Hypertonic or concentrated IV solutions are not given rapidly.
2. A patient with renal failure has been taking aluminum hydroxide/magnesium hydroxide suspension (Maalox) at home for indigestion. The patient arrives for outpatient hemodialysis and is unresponsive to questions and has decreased deep tendon reflexes. Which action should the dialysis nurse take first?
- A. Notify the patient’s health care provider.
- B. Obtain an order to draw a potassium level.
- C. Review the magnesium level on the patient’s chart.
- D. Teach the patient about the risk of magnesium-containing antacids
Correct answer: A
Rationale: The health care provider should be notified immediately. The patient has a history and manifestations consistent with hypermagnesemia. The nurse should check the chart for a recent serum magnesium level and make sure that blood is sent to the laboratory for immediate electrolyte and chemistry determinations. Dialysis should correct the high magnesium levels. The patient needs teaching about the risks of taking magnesium-containing antacids. Monitoring of potassium levels also is important for patients with renal failure, but the patient’s current symptoms are not consistent with hyperkalemia.
3. Before leaving the room of a confused client, the nurse notes that a half bow knot was used to attach the client's wrist restraints to the movable portion of the client's bed frame. What action should the nurse take before leaving the room?
- A. Tie the knot with a double turn or square knot
- B. Ensure that the restraints are snug against the client's wrists
- C. Ensure that the knot can be quickly released
- D. Move the ties so the restraints are secured to the side rails
Correct answer: C
Rationale: The priority is to ensure that the knot can be quickly released to allow for quick intervention if necessary. Tying the knot with a double turn or square knot (Choice A) may make it more difficult to release quickly in an emergency. Ensuring that the restraints are snug against the client's wrists (Choice B) may compromise circulation and cause discomfort. Moving the ties to secure the restraints to the side rails (Choice D) is not the appropriate action as it can limit the client's movement and access to care.
4. A patient receives 3% NaCl solution for correction of hyponatremia. Which assessment is most important for the nurse to monitor while the patient is receiving this infusion?
- A. Lung sounds
- B. Urinary output
- C. Peripheral pulses
- D. Peripheral edema
Correct answer: A
Rationale: The correct answer is A: Lung sounds. Hypertonic solutions like 3% NaCl can cause water retention, leading to fluid excess. Monitoring lung sounds is crucial as crackles may indicate pulmonary edema, a serious manifestation of fluid excess. While monitoring urinary output, peripheral pulses, and peripheral edema are also important when administering hypertonic solutions, they do not provide immediate clues to acute respiratory or cardiac decompensation like lung sounds.
5. A nurse in the outpatient clinic is caring for a patient who has a magnesium level of 1.3 mg/dL. Which assessment would be most important for the nurse to make?
- A. Daily alcohol intake
- B. Intake of dietary protein
- C. Multivitamin/mineral use
- D. Use of over-the-counter (OTC) laxatives
Correct answer: A
Rationale: The correct answer is A: Daily alcohol intake. Hypomagnesemia is often associated with alcoholism, making it crucial for the nurse to assess the patient's alcohol consumption. Protein intake is not directly related to magnesium levels. The use of over-the-counter laxatives and multivitamin/mineral supplements would typically increase magnesium levels, which are not the focus when dealing with hypomagnesemia.
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