A client who has atrial fibrillation is prescribed warfarin therapy.
Which of the following statements by the client indicates an understanding of the medication?
“I should avoid foods that are high in vitamin K.”.
“I should take this medication with food.”.
“I should report any unusual bleeding or bruising to my provider.”.
“I should avoid taking aspirin while taking this medication.”.
The Correct Answer is A
Choice A rationale:
The client's statement, "I should avoid foods that are high in vitamin K," indicates an understanding of the medication. Warfarin is an anticoagulant medication that works by inhibiting vitamin K-dependent clotting factors. Consistent intake of vitamin K-containing foods helps maintain a stable INR (International Normalized Ratio) and warfarin's effectiveness. Clients on warfarin should be educated about avoiding drastic changes in their vitamin K intake.
Choice B rationale:
Taking warfarin with food or on an empty stomach doesn't significantly impact its efficacy. Therefore, this statement is not indicative of the client's understanding of the medication.
Choice C rationale:
The statement "I should report any unusual bleeding or bruising to my provider" is important but doesn't specifically reflect an understanding of warfarin. It's a general caution for anyone taking anticoagulants.
Choice D rationale:
While it's important to avoid excessive use of medications like aspirin that can increase the risk of bleeding, this statement doesn't directly demonstrate an understanding of warfarin itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Nausea can be a significant factor contributing to decreased food intake, but it is not the most likely cause in this scenario. Xerostomia (dry mouth) and mucositis are mentioned as symptoms in the question stem. Nausea alone does not explain why the client is consuming less than their body requirements.
Choice B rationale:
Fatigue can also contribute to decreased food intake, but it is not the most likely cause in this case. While fatigue can be a side effect of cancer treatment and may lead to reduced appetite, the question specifically mentions xerostomia and mucositis as issues contributing to imbalanced nutritional intake.
Choice C rationale:
Pain when eating is the most likely cause of imbalanced nutritional intake in this scenario. The client's laryngeal cancer and the development of mucositis indicate that eating is likely painful for them. This discomfort can significantly deter the client from eating, leading to decreased nutritional intake.
Choice D rationale:
Altered taste sensation can affect food preferences, but it is not the most likely cause in this case. Pain when eating is a more direct and immediate barrier to food intake, especially in the context of mucositis and laryngeal cancer.
Correct Answer is D
Explanation
The correct answer is Choice D.
Choice A rationale: Moving Client D into an isolation room 24 hours before surgery is not necessary. The client’s white blood cell (WBC) count is 14,000 mm (14 x 10^9/L), which is higher than the normal range of 5000 to 10,000/mm² (5 to 10 x 10^9/L). This indicates that the client may have an infection. However, it is not standard practice to isolate clients scheduled for surgery based solely on an elevated WBC count. Other factors, such as the presence of specific infectious diseases, would dictate the need for isolation.
Choice B rationale: Asking the dietitian to add a banana to Client C’s breakfast tray is not necessary. The client’s potassium level is 3.8 mEq/L (3.8 mmol/L), which is within the normal range of 3.5 to 5.0 mEq/L (3.5 to 5.0 mmol/L). Therefore, there is no need to increase the client’s potassium intake.
Choice C rationale: Increasing Client A’s oxygen to 4 liters a minute per cannula is not necessary. The client has emphysema and their oxygen saturation is 94%, which is within the normal range. Increasing the oxygen flow rate could lead to oxygen toxicity or suppress the client’s respiratory drive, leading to respiratory depression or failure.
Choice D rationale: Verifying that Client B has two units of packed cells available is the correct intervention. The client’s postoperative hemoglobin level is 8.2 mg/dL (82 g/L), which is lower than the normal range of 14 to 18 g/dL (140 to 180 g/L). This indicates that the client is anemic and may require a blood transfusion. Therefore, it is important to ensure that packed cells are available if needed.
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