HESI RN
RN Medical/Surgical NGN HESI 2023
1. The patient weighs 75 kg and is receiving IV fluids at a rate of 50 mL/hour, having consumed 100 mL orally in the past 24 hours. What action will the nurse take?
- A. Contact the provider to ask about increasing the IV rate to 90 mL/hour.
- B. Discuss with the provider the need to increase the IV rate to 150 mL/hour.
- C. Encourage the patient to drink more water so the IV can be discontinued.
- D. Instruct the patient to drink 250 mL of water every 8 hours.
Correct answer: A
Rationale: The recommended daily fluid intake for adults is 30 to 40 mL/kg/day. For a patient weighing 75 kg, the minimum intake should be 2250 mL/day. The patient is currently receiving 1200 mL IV and 100 mL orally, totaling 1300 mL. Increasing the IV rate to 90 mL/hour would provide a total of 2160 mL, which could meet the patient's needs if oral intake continues. Option B suggests increasing the IV rate to 150 mL/hour, resulting in an excessive fluid intake of 3600 mL/day, surpassing the recommended amount. Option C, encouraging increased fluid intake, is not recommended as the patient is already struggling with fluid intake. Option D, instructing the patient to drink 250 mL of water every 8 hours, would still fall short of the required fluid intake of 2250 mL/day.
2. The nurse is caring for a patient who develops marked edema and a low urine output as a result of heart failure. Which medication will the nurse expect the provider to order for this patient?
- A. Digoxin (Lanoxin)
- B. Furosemide (Lasix)
- C. Hydrochlorothiazide (HydroDIURIL)
- D. Spironolactone (Aldactone)
Correct answer: B
Rationale: In heart failure with marked edema and low urine output, the nurse can expect the provider to order Furosemide (Lasix). Furosemide is a loop diuretic that acts quickly to remove excess fluid from the body, making it an appropriate choice for this patient's condition. Digoxin is used to improve heart function but does not directly address fluid overload. Hydrochlorothiazide is a thiazide diuretic that is not as potent as Furosemide in managing acute fluid retention. Spironolactone is a potassium-sparing diuretic that is typically used in heart failure for its aldosterone-blocking effects and not for immediate fluid removal.
3. What action should the nurse take for a female patient experiencing vaginal itching and discharge while taking trimethoprim-sulfamethoxazole (TMP-SMZ) (Bactrim, Septra) for a urinary tract infection?
- A. Ask the patient if she might be pregnant.
- B. Reassure the patient that this is a normal side effect.
- C. Report a possible superinfection to the provider.
- D. Suspect that the patient is having a hematologic reaction.
Correct answer: C
Rationale: The correct action for the nurse to take in this situation is to report a possible superinfection to the healthcare provider. Vaginal itching and discharge can indicate a superinfection, which is a secondary infection that can occur while taking antibiotics. It is essential to notify the provider so that appropriate treatment can be initiated. Asking about pregnancy is not relevant in this context as vaginal itching and discharge are not typical signs of pregnancy. Simply reassuring the patient that these symptoms are normal side effects is inadequate as they may indicate a more serious issue like a superinfection. Suspecting a hematologic reaction is not warranted based on the symptoms described.
4. A client who is mouth breathing is receiving oxygen by face mask. The nursing assistant asks the nurse why a water bottle is attached to the oxygen tubing near the wall oxygen outlet. The nurse responds that the primary purpose of the water is to:
- A. Prevent the client from getting a nosebleed
- B. Give the client added fluid by way of the respiratory tree
- C. Humidify the oxygen that is bypassing the client’s nose
- D. Prevent fluid loss from the lungs during mouth breathing
Correct answer: C
Rationale: The purpose of the water bottle is to humidify the oxygen that is bypassing the nose during mouth breathing. When a client breathes through the mouth, the oxygen delivered by the face mask bypasses the natural humidification provided by the nasal passages. Therefore, the water bottle attachment helps to add moisture to the oxygen, preventing dryness and irritation to the respiratory tract. Choices A, B, and D are incorrect. Clients breathing through the mouth are not at risk for nosebleeds, do not receive added fluid through the respiratory tree, and do not experience fluid loss from the lungs due to mouth breathing.
5. What is the most common cause of urinary tract infections (UTIs)?
- A. Escherichia coli infection
- B. Staphylococcus aureus infection
- C. Pseudomonas aeruginosa infection
- D. Klebsiella pneumoniae infection
Correct answer: A
Rationale: Escherichia coli is the most common cause of urinary tract infections (UTIs). It is responsible for the majority of UTIs, especially in women. E. coli is a normal inhabitant of the bowel and can enter the urinary tract through the urethra, leading to infection. Staphylococcus aureus, Pseudomonas aeruginosa, and Klebsiella pneumoniae are less common causes of UTIs compared to E. coli. Staphylococcus aureus typically causes skin and soft tissue infections, Pseudomonas aeruginosa is more commonly associated with healthcare-associated infections, and Klebsiella pneumoniae is known for causing pneumonia and other respiratory infections.
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