HESI RN
HESI Medical Surgical Practice Exam Quizlet
1. In a client with congestive heart failure, the nurse would be correct in withholding a dose of digoxin without specific instruction from the healthcare provider if the client's
- A. serum digoxin level is 1.5 ng/mL.
- B. blood pressure is 104/68 mmHg.
- C. serum potassium level is 3 mEq/L.
- D. apical pulse is 68/min.
Correct answer: C
Rationale: The correct answer is C. Hypokalemia can precipitate digitalis toxicity in individuals on digoxin, increasing the risk of dangerous dysrhythmias. A serum potassium level of 3 mEq/L is below the normal range (3.5 to 5.5 mEq/L) and indicates hypokalemia, which can potentiate the effects of digoxin. Choices A, B, and D are not directly related to the potential for digitalis toxicity. Serum digoxin level of 1.5 ng/mL is within the therapeutic range, blood pressure of 104/68 mmHg is not a contraindication for administering digoxin, and an apical pulse of 68/min is within the normal range and not a reason to withhold digoxin.
2. A nurse assesses a client who is recovering from a radical nephrectomy for renal cell carcinoma. The nurse notes that the client’s blood pressure has decreased from 134/90 to 100/56 mm Hg and urine output is 20 mL for this past hour. Which action should the nurse take?
- A. Position the client to lay on the surgical incision.
- B. Measure the specific gravity of the client’s urine.
- C. Administer intravenous pain medications.
- D. Assess the rate and quality of the client’s pulse.
Correct answer: D
Rationale: The nurse should first fully assess the client for signs of volume depletion and shock, and then notify the provider. The radical nature of the surgery and the proximity of the surgery to the adrenal gland put the client at risk for hemorrhage and adrenal insufficiency. Hypotension is a clinical manifestation associated with both hemorrhage and adrenal insufficiency. Hypotension is particularly dangerous for the remaining kidney, which must receive adequate perfusion to function effectively. Re-positioning the client, measuring specific gravity, and administering pain medication would not provide data necessary to make an appropriate clinical decision, nor are they appropriate interventions at this time.
3. A client with acute kidney injury has a blood pressure of 76/55 mm Hg. The health care provider ordered 1000 mL of normal saline to be infused over 1 hour to maintain perfusion. The client is starting to develop shortness of breath. What is the nurse’s priority action?
- A. Calculate the mean arterial pressure (MAP).
- B. Ask for insertion of a pulmonary artery catheter.
- C. Take the client’s pulse.
- D. Slow down the normal saline infusion.
Correct answer: D
Rationale: The nurse should recognize that the client may be developing fluid overload and respiratory distress due to the rapid normal saline infusion. The priority action is to slow down the infusion to prevent worsening respiratory distress and potential fluid overload. While calculating the mean arterial pressure (MAP) is important to assess perfusion, addressing the immediate respiratory distress takes precedence. Inserting a pulmonary artery catheter would provide detailed hemodynamic information but is not the initial step in managing acute respiratory distress. Monitoring vital signs, including the client's pulse, is crucial after adjusting the intravenous infusion to ensure a safe response to the intervention.
4. During nasotracheal suctioning, which of the following observations should be cause for concern to the nurse? Select all that apply.
- A. The client becomes cyanotic.
- B. Secretions are bloody.
- C. The client gags during the procedure.
- D. Clear to opaque secretions are removed.
Correct answer: C
Rationale: During nasotracheal suctioning, the client gagging during the procedure is a cause for concern as it can indicate discomfort or potential airway obstruction. Cyanosis, bloody secretions, or the removal of clear to opaque secretions are expected observations that the nurse should monitor for, but gagging indicates a need for immediate intervention to ensure the safety and comfort of the client. Cyanosis and bloody secretions can signify oxygenation issues and potential complications, while the removal of secretions is the goal of the suctioning procedure.
5. The nurse is caring for a patient who has recurrent urinary tract infections. The patient’s current infection is not responding to an antibiotic that has been used successfully several times in the past. The nurse understands that this is most likely due to
- A. acquired bacterial resistance.
- B. cross-resistance.
- C. inherent bacterial resistance.
- D. transferred resistance.
Correct answer: A
Rationale: The correct answer is A: acquired bacterial resistance. Acquired resistance happens when an organism has been exposed to the antibacterial drug, making it less effective over time. Cross-resistance (B) occurs when resistance to one drug leads to resistance to another. Inherent resistance (C) happens without prior exposure to the drug, meaning the bacteria are naturally resistant. Transferred resistance (D) involves the transfer of resistant genes from one organism to another, contributing to resistance development.
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