Nursing Elites

1. A client with a history of myocardial infarction (MI) is admitted with chest pain. Which laboratory test should the nurse expect to be ordered to determine if the client is experiencing another MI?

• A. Troponin
• B. Myoglobin
• C. CK-MB
• D. C-reactive protein

Correct answer: A

Rationale: Troponin is the most specific and sensitive laboratory test for detecting myocardial infarction (MI). It is released when there is damage to the heart muscle, making it a valuable marker for diagnosing another MI. Myoglobin and CK-MB can also be elevated in MI, but troponin is preferred due to its higher specificity. C-reactive protein is a marker of inflammation and not specific to MI.

2. After insertion of the indwelling catheter, how should the nurse position the drainage container?

• A. With the drainage tubing taut to maintain maximum suction on the urinary bladder.
• B. Lower than the bladder to maintain a constant downward flow of urine from the bladder.
• C. At the head of the bed for easy and accurate measurement of urine.
• D. Beside the patient in their bed to avoid embarrassment.

Correct answer: B

Rationale: The correct position for the drainage container after inserting an indwelling catheter is to have it placed lower than the bladder. This positioning helps maintain a constant downward flow of urine from the bladder, preventing backflow and ensuring proper drainage. Choice A is incorrect because having the drainage tubing taut does not promote proper urine flow and may cause kinking. Choice C is incorrect as placing the container at the head of the bed does not affect drainage and is not necessary for accurate measurement. Choice D is incorrect as the positioning of the drainage container should prioritize proper drainage and care over potential embarrassment.

3. The client has a chest tube. What is the most important action for the nurse to take?

• A. Ensure the chest tube remains unclamped at all times.
• B. Empty the chest tube every 2 hours.
• C. Keep the drainage system below the level of the chest.
• D. Assess for subcutaneous emphysema.

Correct answer: C

Rationale: Keeping the drainage system below the level of the chest (C) is crucial to ensure proper drainage and prevent backflow of air or fluid into the chest cavity. This position helps maintain the integrity of the closed drainage system. Ensuring the chest tube remains unclamped at all times (A) allows for continuous drainage. Emptying the chest tube (B) should be done as needed, not routinely every 2 hours. Assessing for subcutaneous emphysema (D) is important but not the most critical action in this scenario.

4. The nurse is providing discharge teaching to a client with a new prescription for warfarin (Coumadin). Which dietary instruction should the nurse include?

• A. Avoid foods high in vitamin K
• B. Increase intake of leafy green vegetables
• C. Consume a consistent amount of foods high in potassium
• D. Limit intake of high-protein foods

Correct answer: A

Rationale: The correct dietary instruction for a client taking warfarin is to avoid foods high in vitamin K. Warfarin is an anticoagulant that works by inhibiting vitamin K-dependent clotting factors. Consuming foods high in vitamin K, such as leafy green vegetables, can antagonize the effects of warfarin, potentially leading to treatment inefficacy or fluctuations in anticoagulation levels. Therefore, clients on warfarin therapy should be advised to avoid foods high in vitamin K to maintain the effectiveness of the medication. Choices B, C, and D are incorrect because increasing leafy green vegetables (choice B) would introduce more vitamin K, consuming a consistent amount of foods high in potassium (choice C) is not directly related to warfarin therapy, and limiting high-protein foods (choice D) is not a specific concern for clients on warfarin therapy.

5. The client with cholecystitis is being instructed on dietary choices. Which meal best meets the dietary needs of this client?

• A. Steak, baked beans, and a salad
• B. Broiled fish, green beans, and an apple
• C. Pork chops, macaroni and cheese, and grapes
• D. Avocado salad, milk, and angel food cake

Correct answer: B

Rationale: Cholecystitis requires a low-fat diet to reduce stress on the gallbladder. The meal of broiled fish, green beans, and an apple aligns with this dietary recommendation by providing lean protein and low-fat, high-fiber foods that are easier for the body to digest, making it the most suitable choice for a client with cholecystitis.

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