HESI RN
RN Medical/Surgical NGN HESI 2023
1. The nurse is preparing to administer an antibiotic to a patient who has been receiving the antibiotic for 2 days after a culture was obtained. The nurse notes increased erythema and swelling, and the patient has a persistent high fever of 39°C. What is the nurse’s next action?
- A. Administer the antibiotic as ordered.
- B. Contact the provider to request another culture.
- C. Discuss the need to add a second antibiotic with the provider.
- D. Review the sensitivity results from the patient’s culture.
Correct answer: D
Rationale: In this scenario, the nurse is observing signs of a possible lack of response to the current antibiotic therapy, such as increased erythema, swelling, and persistent high fever. The next appropriate action for the nurse is to review the sensitivity results from the patient’s culture. This step is crucial to determine if the current antibiotic is effective against the causative organism. If the sensitivity results indicate resistance to the current antibiotic, the antibiotic should be discontinued, and the provider should be notified for a change in therapy. Contacting the provider to request another culture is not the immediate priority, as the existing culture results need to be reviewed first. Adding a second antibiotic should only be considered after confirming the sensitivity results, as unnecessary antibiotic use can lead to antimicrobial resistance.
2. A client with cardiovascular disease is scheduled to receive a daily dose of furosemide (Lasix). Which potassium level would cause the nurse to contact the physician before administering the dose?
- A. 3.0 mEq/L
- B. 3.8 mEq/L
- C. 4.2 mEq/L
- D. 5.1 mEq/L
Correct answer: A
Rationale: The normal serum potassium level in adults ranges from 3.5 to 5.1 mEq/L. A potassium level of 3.0 mEq/L is low, indicating hypokalemia and necessitating physician notification before administering furosemide, a loop diuretic that can further lower potassium levels. Potassium levels of 3.8 and 4.2 mEq/L are within the normal range, while a level of 5.1 mEq/L is high (hyperkalemia), but the critical value in this case is the low potassium level that requires immediate attention to prevent potential complications.
3. Which symptoms should the nurse expect a client to exhibit who is diagnosed with a pheochromocytoma?
- A. Numbness, tingling, and cramps in the extremities.
- B. Headache, diaphoresis, and palpitations.
- C. Cyanosis, fever, and classic signs of shock.
- D. Nausea, vomiting, and muscular weakness.
Correct answer: B
Rationale: Correct. Pheochromocytoma is a catecholamine-secreting non-cancerous tumor of the adrenal medulla. The classic triad of symptoms includes headache, diaphoresis (excessive sweating), and palpitations, which result from the overproduction of catecholamines like epinephrine and norepinephrine. Numbness, tingling, and cramps in the extremities (Option A) are not characteristic of pheochromocytoma. Cyanosis, fever, and classic signs of shock (Option C) are not typical symptoms of this condition. Nausea, vomiting, and muscular weakness (Option D) are not commonly associated with pheochromocytoma.
4. The healthcare provider is assessing a client with chronic renal failure who is receiving hemodialysis. Which of the following findings would indicate that the client is experiencing a complication of the treatment?
- A. Clear dialysate outflow.
- B. Blood pressure of 150/90 mm Hg.
- C. Increased heart rate.
- D. Fatigue.
Correct answer: B
Rationale: A blood pressure of 150/90 mm Hg during hemodialysis may indicate fluid overload or an ineffective dialysis session, which can lead to complications such as heart failure or pulmonary edema. This finding should be reported promptly for further evaluation and intervention. Clear dialysate outflow is a normal and expected finding during hemodialysis, indicating proper filtration of waste products. Increased heart rate can be a normal compensatory response to hemodialysis due to fluid shifts and should be monitored but does not necessarily indicate a complication. Fatigue is a common symptom in clients with chronic renal failure undergoing hemodialysis and is not specific to complications of the treatment.
5. The nurse is caring for four clients with chronic kidney disease. Which client should the nurse assess first upon initial rounding?
- A. Woman with a blood pressure of 158/90 mm Hg
- B. Client with Kussmaul respirations
- C. Man with skin itching from head to toe
- D. Client with halitosis and stomatitis
Correct answer: B
Rationale: The correct answer is B. Kussmaul respirations indicate a worsening of chronic kidney disease (CKD). The client is increasing the rate and depth of breathing to excrete carbon dioxide through the lungs, a compensatory mechanism for metabolic acidosis common in CKD. Hypertension, as in choice A, is a common finding in CKD due to volume overload and activation of the renin-angiotensin-aldosterone system. Skin itching, as in choice C, is related to calcium-phosphate imbalances seen in CKD. Halitosis and stomatitis, as in choice D, are common in CKD due to uremia, leading to the formation of ammonia. However, Kussmaul respirations indicate a more urgent need for assessment as they suggest impending respiratory distress and metabolic derangement, requiring immediate attention.
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