HESI RN
HESI Medical Surgical Exam
1. What is the most common side effect of diuretics such as furosemide (Lasix)?
- A. Hypokalemia.
- B. Hyperkalemia.
- C. Hypernatremia.
- D. Hyponatremia.
Correct answer: A
Rationale: The correct answer is 'Hypokalemia.' Diuretics like furosemide increase the excretion of potassium, leading to hypokalemia as a common side effect. Hyperkalemia (choice B) is the opposite condition characterized by high potassium levels, which is not typically associated with furosemide use. Hypernatremia (choice C) is increased sodium levels, while hyponatremia (choice D) is decreased sodium levels, neither of which are the most common side effects of furosemide. Therefore, choice A is the best answer.
2. A client who is postmenopausal and has had two episodes of bacterial urethritis in the last 6 months asks, “I never have urinary tract infections. Why is this happening now?” How should the nurse respond?
- A. Your immune system becomes less effective as you age.
- B. Low estrogen levels can make the tissue more susceptible to infection.
- C. You should be more careful with your personal hygiene in this area.
- D. It is likely that you have an untreated sexually transmitted disease.
Correct answer: B
Rationale: Low estrogen levels in postmenopausal women decrease moisture and secretions in the perineal area, causing tissue changes that predispose them to infection, including urethritis. This is a common reason for urethritis in postmenopausal women. While immune function does decrease with aging and sexually transmitted diseases can cause urethritis, the most likely reason in this case is the low estrogen levels. Personal hygiene practices are usually not a significant factor in the development of urethritis.
3. A client has just undergone insertion of a chest tube that is attached to a closed chest drainage system. Which action should the nurse plan to take in the care of this client?
- A. Assessing the client’s chest for crepitus every 24 hours
- B. Taping the connections between the chest tube and the drainage system
- C. Adding 20 mL of sterile water to the suction control chamber every shift
- D. Recording the volume of secretions in the drainage collection chamber every 24 hours
Correct answer: B
Rationale: The correct action for the nurse to take in caring for a client with a chest tube connected to a closed chest drainage system is to tape the connections between the chest tube and the drainage system. This is done to prevent accidental disconnection, ensuring the system functions properly. Assessing the client’s chest for crepitus should be done more frequently than once every 24 hours to monitor for any air leaks. Adding sterile water to the suction control chamber is not necessary every shift; it should be done as needed to maintain the appropriate water level. Recording the volume of secretions in the drainage collection chamber should be done more frequently than every 24 hours, with hourly monitoring during the first 24 hours after insertion and every 8 hours thereafter to assess for changes or complications.
4. Which of the following symptoms would a healthcare provider expect to find in a patient with hyperkalemia?
- A. Muscle cramps.
- B. Hypertension.
- C. Bradycardia.
- D. Tachycardia.
Correct answer: D
Rationale: Tachycardia is the correct symptom to expect in a patient with hyperkalemia. Hyperkalemia, or high potassium levels in the blood, can affect the electrical activity of the heart. Increased potassium levels can lead to changes in the heart's rhythm, potentially causing tachycardia (rapid heart rate) or other cardiac arrhythmias. Muscle cramps (choice A) are not typically associated with hyperkalemia. Hypertension (choice B) is not a common symptom of hyperkalemia; in fact, high potassium levels can sometimes cause low blood pressure. Bradycardia (choice C), or a slow heart rate, is usually not a primary symptom of hyperkalemia; instead, hyperkalemia tends to be associated with faster heart rates or arrhythmias.
5. A client in the emergency department is severely dehydrated and is prescribed 3 L of intravenous fluid over 6 hours. At what rate (mL/hr) should the nurse set the intravenous pump to infuse the fluids? (Record your answer using a whole number.)
- A. 500 mL/hr
- B. 400 mL/hr
- C. 550 mL/hr
- D. 600 mL/hr
Correct answer: A
Rationale: To calculate the rate of the intravenous pump, divide the total volume of fluid (3 L = 3000 mL) by the total time in hours (6 hours), which equals 500 mL/hr. The correct answer is A. Choice B (400 mL/hr) is incorrect as it would result in a slower infusion rate. Choice C (550 mL/hr) and Choice D (600 mL/hr) are incorrect as they would result in a faster infusion rate, exceeding the prescribed amount of fluid to be infused over 6 hours.
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