A nurse is caring for a client who has an implanted venous access port.
Which of the following should the nurse use to access the port?
butterfly needle
An angiocatheter
A 25-gauge needle
A noncoring needle
The Correct Answer is D
The correct answer is choice D, a noncoring needle.
A noncoring needle is a special type of needle that has a beveled tip and a side hole. It is designed to prevent damage to the port’s septum, which is the soft silicone top that serves as the vein access point.
A noncoring needle also reduces the risk of infection and clotting.
Choice A is wrong because a butterfly needle is a small, winged needle that is used for peripheral venous access, not for accessing a port. A butterfly needle can damage the port’s septum and cause leakage or infection.
Choice B is wrong because an angiocatheter is a thin, plastic tube that is inserted into a vein using a needle.
It is used for short-term IV therapy, not for accessing a port. An angiocatheter can also damage the port’s septum and cause complications.
Choice C is wrong because a 25-gauge needle is too small to access a port.
A 25-gauge needle is typically used for subcutaneous injections, not for intravenous injections. A 25-gauge needle can also clog the port or cause hemolysis (breakdown of red blood cells).
Normal ranges for ports vary depending on the type and size of the port, but generally they have a reservoir diameter of 1.5 to 2.5 cm, a catheter length of 40 to 60 cm, and a catheter diameter of 0.8 to 1.2 mm. Ports are usually flushed with saline or heparin solution every 4 to 6 weeks when not in use to prevent clotting.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","E","F"]
Explanation
A:Provide frequent rest periods for the client. This is correct because the client has anaemia (low haemoglobin and hematocrit), which can cause weakness and fatigue. Rest periods can help conserve energy and prevent complications.
B:Instruct the client to avoid blowing their nose forcefully. This is correct because the client has thrombocytopenia (low platelet count), which can increase the risk of bleeding. Blowing the nose forcefully can cause nasal bleeding or rupture of blood vessels.
C: Assess the client’s level of orientation. This is correct because the client has hepatic encephalopathy (brain dysfunction due to liver failure), which can cause confusion, mood changes, and disorientation. Assessing the client’s level of orientation can help monitor the severity of hepatic encephalopathy and guide appropriate interventions.
D:Place the client on a low-carbohydrate diet. This is incorrect because a low-carbohydrate diet can worsen hepatic encephalopathy by increasing ammonia production in the gut. The client should be on a high-protein, high-calorie diet to provide adequate nutrition and prevent muscle wasting.
E: Restrict the client’s sodium intake. This is correct because the client has ascites (fluid accumulation in the abdomen) due to portal hypertension (high blood pressure in the portal vein). Restricting sodium intake can help reduce fluid retention and prevent further complications.
F Advise the client to avoid the use of soap and alcohol-based lotions. This is correct because the client has pruritus (itching) due to high bilirubin levels in the blood. Soap and alcohol-based lotions can dry out the skin and worsen pruritus. The client should use mild cleansers and moisturizers to soothe the skin.
G: Place the client under contact isolation. This is incorrect because there is no indication that the client has an infectious disease that requires contact isolation. Contact isolation is used for clients who have diseases that can be transmitted by direct or indirect contact with the client or their environment, such as Clostridioides difficile infection or methicillin-resistant Staphylococcus aureus infection.
Correct Answer is C
Explanation
Choice A option
Fibrinogen level: Fibrinogen is a protein involved in the blood clotting process, but in this case, it is not appropriate because is not the primary laboratory test used to monitor warfarin therapy. Monitoring fibrinogen levels is more relevant in assessing bleeding disorders or certain medical conditions.
Choice B option
PTT (Partial Thromboplastin Time): PTT is another laboratory test used to evaluate blood clotting function, particularly the intrinsic pathway of the clotting cascade. PTT is not routinely used to monitor warfarin therapy; it is more commonly used to monitor other anticoagulant medications like heparin.
Choice C option
The nurse should plan to report the client's INR (International Normalized Ratio) to obtain a prescription for the client's daily warfarin. INR is a critical laboratory test used to monitor the effectiveness and safety of warfarin therapy.
Warfarin is an anticoagulant medication commonly prescribed to prevent and treat blood clots. It works by interfering with the body's ability to use vitamin K to form blood clots. Monitoring the INR is essential because it indicates how long it takes for the blood to clot, and it helps determine if the client's warfarin dosage needs adjustment to achieve the desired level of anticoagulation.
Choice D option
Platelet count: Platelet count is essential to assess the number of platelets in the blood, which are crucial for normal clotting. However, platelet count monitoring is not the primary focus when prescribing warfarin. It is typically used to evaluate thrombocytopenia (low platelet count) or other conditions affecting platelet function.
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