A nurse is caring for a client who has a pulmonary embolism and has been on a heparin continuous infusion for 5 days. The provider prescribes warfarin PO without discontinuing the heparin. The client asks the nurse why both anticoagulants are necessary. Which of the following statements should the nurse make?
"Both heparin and warfarin work together to dissolve the clots."
"Warfarin takes several days to work, so the IV heparin will be used until the warfarin reaches a therapeutic level."
"The IV heparin increases the effects of the warfarin and decreases the length of your hospital stay."
"I will call the provider to get a prescription for discontinuing the IV heparin today."
The Correct Answer is B
Choice A reason: Heparin and warfarin do not work together to dissolve clots. Heparin acts quickly to prevent further clotting, while warfarin is used for long-term anticoagulation.
Choice B reason: Warfarin's onset of action is slow, requiring several days to reach therapeutic levels. During this time, heparin is used to provide immediate anticoagulation to prevent new clot formation or the growth of existing clots.
Choice C reason: IV heparin does not increase the effects of warfarin. They are used concurrently because of the delay in warfarin's onset of action.
Choice D reason: It is not appropriate to discontinue heparin immediately after starting warfarin due to the delay in warfarin reaching therapeutic levels. The overlap is necessary to ensure continuous anticoagulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Hypermagnesemia, or high levels of magnesium in the blood, is not typically associated with refeeding syndrome. Instead, refeeding syndrome can lead to hypomagnesemia, which is a low level of magnesium in the blood, due to shifts of magnesium into the cells during insulin secretion in the refeeding process.
Choice B reason: Hyponatremia, or low levels of sodium in the blood, is not a hallmark of refeeding syndrome. While fluid shifts can affect sodium levels, the key electrolyte disturbances in refeeding syndrome involve phosphorus, potassium, and magnesium.
Choice C reason: Hyperkalemia, or high levels of potassium in the blood, is not a common finding in refeeding syndrome. Similar to magnesium, potassium can shift into cells during refeeding, which can actually lead to hypokalemia, or low levels of potassium in the blood.
Choice D reason: Hypophosphatemia, or low levels of phosphorus in the blood, is the hallmark of refeeding syndrome. When a malnourished individual is refed, insulin secretion is stimulated by the increased carbohydrate intake. Insulin promotes cellular uptake of glucose, which is accompanied by phosphate, potassium, and magnesium, leading to a decrease in the serum levels of these electrolytes. Phosphorus is critical for cellular processes, and its deficiency can lead to muscle weakness, respiratory failure, hemolysis, and impaired cardiac function. During refeeding, careful monitoring of electrolytes is essential to prevent and manage refeeding syndrome. Hypophosphatemia is the most significant laboratory finding to anticipate in a patient with refeeding syndrome, and it requires prompt recognition and treatment to prevent serious complications.
Correct Answer is ["A","B","C","D","F"]
Explanation
Choice A: Administer antiemetics as needed Reason: Acute pancreatitis often causes severe nausea and vomiting. Antiemetics are administered to control these symptoms and prevent further complications such as dehydration and electrolyte imbalance.
Choice B: Administer analgesics as needed Reason: Pain management is a crucial part of the treatment for acute pancreatitis. The condition can cause severe abdominal pain, and analgesics are administered to provide relief.
Choice C: NPO (nothing by mouth) until pain-free Reason: The goal in treating acute pancreatitis is to allow the pancreas to rest and recover from the inflammation3. Keeping the patient NPO (nothing by mouth) helps achieve this by reducing the stimulation and workload of the pancreas.
Choice D: Monitor blood glucose and provide insulin as needed Reason: Acute pancreatitis can affect the pancreas’ ability to produce insulin, leading to elevated blood glucose levels. Therefore, monitoring blood glucose levels and administering insulin as needed is an important part of the management plan.
Choice E: Side-lying or fetal position Reason: While the side-lying or fetal position might help some patients with abdominal pain, it is not a standard intervention for acute pancreatitis. Therefore, this option is not correct.
Choice F: Monitor hydration status Reason: Patients with acute pancreatitis are at risk of dehydration due to symptoms like vomiting and decreased oral intake. Monitoring hydration status is crucial to ensure appropriate fluid replacement.

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