A client is receiving heparin sodium 1000 units per hour via an infusion and warfarin sodium 2.5 mg PO for thrombophlebitis in the left leg.
The nurse educates the client that heparin and warfarin are prescribed together because:
Smaller doses of both drugs can be used with this method.
This combination facilitates the thrombolysis more quickly.
The heparin provides anticoagulation until the warfarin becomes effective.
This combination provides immediate anticoagulation.
The Correct Answer is C
Choice A rationale
While it might seem that smaller doses of both drugs could be used when they are prescribed together, this is not the primary reason for using heparin and warfarin together. Both drugs have different mechanisms of action and are used for their unique therapeutic effects.
Choice B rationale
The combination of heparin and warfarin does not facilitate thrombolysis more quickly. Thrombolysis is the process of breaking down clots, and while these medications can prevent the formation of new clots, they do not actively break down existing ones.
Choice C rationale
Heparin and warfarin are often used together in the treatment of thrombophlebitis because they provide different benefits. Heparin acts quickly to prevent further clotting and allows the body to naturally break down existing clots. Warfarin, on the other hand, takes several days to become effective. Therefore, heparin is used to provide immediate anticoagulation until the warfarin becomes effective.
Choice D rationale
While it’s true that the combination of heparin and warfarin provides immediate anticoagulation, this is primarily due to the action of heparin. Warfarin takes several days to become effective, so it does not contribute to the immediate anticoagulant effect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Deep vein thrombosis (DVT) is a condition characterized by the formation of a blood clot in a deep vein, usually in the leg. One of the most common symptoms of DVT is swelling of the affected extremity. This occurs because the blood clot obstructs the flow of blood, causing fluid to build up in the tissues.
Choice B rationale
While redness can be a symptom of DVT, it is not typically confined to a small area. Instead, redness associated with DVT is usually more widespread and is often accompanied by other symptoms such as swelling and pain.
Choice C rationale
A cool, mottled extremity is not a typical symptom of DVT34. DVT usually causes the affected area to feel warmer than the surrounding areas due to inflammation caused by the blood clot.
Choice D rationale
The presence of bilateral peripheral pulses is not a specific finding for DVT34. In fact, the presence of strong peripheral pulses may suggest that blood flow is not significantly obstructed.
Correct Answer is B
Explanation
Choice A rationale
Fewer doses of insulin may not necessarily be required with frequent self-monitoring of blood glucose. The need for insulin is determined by blood glucose levels, not the frequency of monitoring.
Choice B rationale
Frequent self-monitoring of blood glucose assists in gaining control over glucose levels. It can immediately tell you the effects of food choices, physical activity, and medication on blood glucose control.
Choice C rationale
While good blood glucose control can help minimize other health problems, frequent self- monitoring of blood glucose does not directly minimize other health problems.
Choice D rationale
Frequent self-monitoring of blood glucose is not necessarily the most cost-efficient method for glucose control. The cost efficiency depends on various factors, including the cost of testing supplies and the frequency of testing.
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