HESI RN
HESI RN Medical Surgical Practice Exam
1. A client admitted to the hospital with a diagnosis of acute pancreatitis has blood drawn for several serum laboratory tests. Which of the following serum amylase values, noted by the nurse reviewing the results, would be expected in this client at this time?
- A. 48 units/L
- B. 97 units/L
- C. 150 units/L
- D. 395 units/L
Correct answer: D
Rationale: The correct answer is D: "395 units/L." The normal serum amylase range is 25 to 151 units/L. In acute pancreatitis, the amylase level is greatly increased, typically exceeding the upper limit of the normal range. Choices A, B, and C fall within the normal range of serum amylase levels and would not be expected in a client with acute pancreatitis.
2. The nurse is caring for a patient who will receive 10% calcium gluconate to treat a serum potassium level of 5.9 mEq/L. The nurse performs a drug history prior to beginning the infusion. Which drug taken by the patient would cause concern?
- A. Digitalis
- B. Hydrochlorothiazide
- C. Hydrocortisone
- D. Vitamin D
Correct answer: A
Rationale: Calcium gluconate is administered to treat hyperkalemia by reducing myocardial irritability. When given to a patient taking digitalis, it can lead to digitalis toxicity. Digitalis and calcium gluconate both affect cardiac function, and their concomitant use can potentiate adverse effects. Hydrochlorothiazide, Hydrocortisone, and Vitamin D may impact potassium levels, but they do not interact with calcium gluconate in a way that would cause concern for toxicity.
3. In a patient with deep vein thrombosis (DVT), which of the following symptoms would be expected?
- A. Chest pain.
- B. Shortness of breath.
- C. Coughing up blood.
- D. Cyanosis.
Correct answer: B
Rationale: Shortness of breath is a common symptom of deep vein thrombosis (DVT) due to the risk of a pulmonary embolism. DVT occurs when a blood clot forms in a deep vein, usually in the legs. If a portion of the clot breaks loose and travels to the lungs, it can cause a pulmonary embolism, leading to symptoms like shortness of breath. Chest pain is more commonly associated with conditions like a heart attack or pulmonary embolism itself. Coughing up blood is a symptom more indicative of conditions such as pulmonary embolism or lung cancer. Cyanosis, which is a bluish discoloration of the skin or mucous membranes due to poor oxygenation, can be seen in severe cases of pulmonary embolism but is not a typical symptom of DVT.
4. Which of the following is the most appropriate diet for a client during the acute phase of myocardial infarction?
- A. Liquids as desired.
- B. Small, easily digested meals.
- C. Three regular meals per day.
- D. Nothing by mouth.
Correct answer: B
Rationale: During the acute phase of myocardial infarction, it is recommended to provide small, easily digested meals for the client. This type of diet is better tolerated as it reduces the workload on the heart, allowing for easier digestion and absorption of nutrients. Choice A, 'Liquids as desired,' may not provide adequate nutrition and may not be well-balanced. Choice C, 'Three regular meals per day,' may be too heavy for the client's weakened condition. Choice D, 'Nothing by mouth,' is not appropriate as the client still requires essential nutrients for recovery.
5. A nurse obtains a sterile urine specimen from a client’s Foley catheter. After applying a clamp to the drainage tubing distal to the injection port, which action should the nurse take next?
- A. Clamp another section of the tube to create a fixed sample section for retrieval.
- B. Insert a syringe into the injection port and aspirate the quantity of urine required.
- C. Clean the injection port cap of the drainage tubing with a povidone-iodine solution.
- D. Withdraw 10 mL of urine and discard it; then withdraw a fresh sample of urine.
Correct answer: C
Rationale: The correct next action for the nurse to take after applying a clamp to the drainage tubing distal to the injection port is to clean the injection port cap of the catheter drainage tubing with an appropriate antiseptic like povidone-iodine solution or alcohol. This step is crucial to prevent surface contamination before taking the urine sample. Clamping another section of the tube to create a fixed sample section or withdrawing and discarding urine are unnecessary and could lead to potential contamination. Inserting a syringe into the injection port and aspirating the required amount of urine directly from the catheter is the correct method for obtaining the urine sample, but cleaning the injection port cap should precede this step to ensure sterility.
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