When should the nurse conduct an Allen's test?
Just before arterial blood gasses are drawn peripherally.
Prior to attempting a cardiac output calculation.
To assess for presence of a deep vein thrombus in the leg.
When pulmonary artery pressures are obtained.
The Correct Answer is A
Allen's test is a procedure used to assess the patency of the ulnar artery and the collateral circulation of the hand. It is performed to determine the adequacy of collateral circulation before obtaining arterial blood gases from the radial artery. The test helps ensure that the ulnar artery is functioning properly and can supply blood to the hand if the radial artery is used for blood sampling or other invasive procedures.
The test involves occluding both the ulnar and radial arteries while the patient clenches their fist. The nurse then releases pressure on the ulnar artery while maintaining occlusion of the radial artery. The hand should quickly regain normal coloration, indicating adequate collateral circulation.
It's important to note that the Allen's test is specific to the assessment of collateral circulation in the hand and is not used for other purposes such as assessing deep vein thrombosis, cardiac output calculation, or obtaining pulmonary artery pressures.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Incorrect - While a salad includes vegetables and fruits, it may not provide sufficient protein for wound healing.
B) Incorrect - Vegetable soup and crackers might not provide enough protein compared to other options.
C) Incorrect - While a peanut butter sandwich includes some protein, soda and cookies are not rich sources of protein.
D) Correct- A tuna fish sandwich is a good source of protein. Protein is essential for wound healing as it supports tissue repair and regeneration. The choice of a tuna fish sandwich along with chips and ice cream suggests a balanced meal with adequate protein content, which aligns with the teaching of a high protein diet to promote wound healing.
Correct Answer is ["A","B","D","E"]
Explanation
A) Correct - Demonstrating the technique used to monitor blood glucose levels is crucial.
Incorrect technique can lead to inaccurate readings, impacting insulin dosing decisions and blood sugar control.
B) Correct - Some asthma medications, like corticosteroids, can elevate blood glucose levels.
Evaluating the client's asthma medications is essential as they can contribute to fluctuations in blood sugar levels.
C) Incorrect- Asking the client if they want a different manufacturer's glucose monitoring device is not helpful, because it does not address the underlying causes of the poor glycemic control. The client may also perceive this as a lack of confidence in their ability to manage their diabetes or as a criticism of their choice of device. The nurse should focus on educating the client on how to use their current device correctly and consistently, rather than suggesting a change that may not be necessary or feasible.
D) Correct - Understanding the client's daily routine helps identify factors influencing blood glucose control, such as meal timing, activity level, and stress. This information aids in creating a personalized diabetes management plan.
E) Correct - Ensuring the client uses a new insulin needle for each administration is important for preventing infection and complications. Reusing needles can affect injection site health and insulin absorption.
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