HESI RN
HESI Medical Surgical Practice Exam
1. In a patient with diabetes mellitus, which of the following is a sign of hypoglycemia?
- A. Polydipsia.
- B. Polyuria.
- C. Sweating.
- D. Dry skin.
Correct answer: C
Rationale: Sweating is a common sign of hypoglycemia in diabetic patients. When blood sugar levels drop too low, the body releases stress hormones like adrenaline, which can cause sweating as a response to the perceived danger. Polydipsia (excessive thirst) and polyuria (excessive urination) are actually more commonly associated with hyperglycemia, not hypoglycemia. Dry skin is not typically a sign of hypoglycemia.
2. The healthcare professional is preparing to give a dose of trimethoprim-sulfamethoxazole (TMP-SMX) and learns that the patient takes warfarin (Coumadin). The healthcare professional will request an order for
- A. a decreased dose of TMP-SMX.
- B. a different antibiotic.
- C. an increased dose of warfarin.
- D. coagulation studies.
Correct answer: D
Rationale: Sulfonamides, like trimethoprim-sulfamethoxazole (TMP-SMX), can potentiate the anticoagulant effects of warfarin (Coumadin). To monitor the patient's response and prevent adverse effects, the healthcare professional should request coagulation studies, such as International Normalized Ratio (INR) levels. Choosing a decreased dose of TMP-SMX would not address the potential drug interaction between TMP-SMX and warfarin. Opting for a different antibiotic is not necessary if the interaction can be managed by monitoring. Increasing the dose of warfarin without monitoring could lead to excessive anticoagulation and adverse events, so it's not the appropriate action in this scenario.
3. A client with chronic renal failure is on a low-protein diet. Which of the following is the best response by the nurse when the client asks why this diet is necessary?
- A. It reduces the workload on your kidneys.
- B. It helps prevent the buildup of waste products.
- C. It helps maintain electrolyte balance in your body.
- D. It helps prevent dehydration.
Correct answer: B
Rationale: A low-protein diet is necessary for clients with chronic renal failure because it helps prevent the buildup of waste products, such as urea, in the body. Excess protein can lead to the accumulation of waste products that the compromised kidneys may not effectively filter out, further burdening the already impaired renal function. Choices A, C, and D are incorrect because the primary reason for a low-protein diet in chronic renal failure is to reduce the workload on the kidneys by minimizing the production of waste products that can exacerbate the condition, not specifically to reduce kidney workload, maintain electrolyte balance, or prevent dehydration.
4. When a young client being taught to use an inhaler for asthma symptoms states the intention to use the inhaler but plans to continue smoking cigarettes, what is the best initial action by the nurse?
- A. Inform the healthcare provider of the client's statement.
- B. Explain that denial of illness can interfere with the treatment regimen.
- C. Revise the plan of care based on the client's plans to continue smoking.
- D. Review factors surrounding the client's beliefs about smoking cessation.
Correct answer: B
Rationale: The best initial action by the nurse when a client expresses plans to use an inhaler for asthma symptoms but continue smoking cigarettes is to address denial. By explaining that denial of illness can interfere with the treatment regimen, the nurse educates the client about the impact of smoking on asthma treatment. This approach helps the client understand the importance of smoking cessation in managing asthma symptoms. Informing the healthcare provider (Choice A) may be necessary but is not the initial action in this scenario. Revising the plan of care (Choice C) should be considered after addressing the client's denial and educating them. Reviewing factors surrounding the client's beliefs about smoking cessation (Choice D) is relevant but not the best initial action when denial is identified.
5. The nurse is caring for a client who is scheduled for hemodialysis. Which of the following laboratory values should the nurse monitor closely before, during, and after the procedure?
- A. Hemoglobin level.
- B. Blood urea nitrogen (BUN) level.
- C. Creatinine level.
- D. Serum potassium level.
Correct answer: D
Rationale: The correct answer is D: Serum potassium level. Before, during, and after hemodialysis, monitoring the serum potassium level is crucial to prevent hyperkalemia, a potentially life-threatening complication. Hemodialysis is done to remove waste products and excess electrolytes like potassium from the blood. Monitoring other laboratory values like hemoglobin, BUN, and creatinine is important in assessing kidney function and anemia, but serum potassium level requires close monitoring during hemodialysis due to the risk of rapid shifts that can lead to cardiac arrhythmias.
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