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 A
Explanation
The information that the nurse should obtain from the client first is: Reason for taking the aspirin.
It is important to first understand why the client was taking aspirin in order to determine the potential implications of switching to ibuprofen. Aspirin and ibuprofen are both nonsteroidal anti-inflammatory drugs (NSAIDs), but they have different indications and effects. Aspirin is commonly used for its antiplatelet properties to reduce the risk of heart attacks and strokes, while ibuprofen is primarily used for its analgesic and anti-inflammatory properties.
By understanding the reason for taking aspirin, the nurse can assess if the client was using it for its antiplatelet effects, which is important information to consider for the client's overall health and well-being.
Once the reason for taking aspirin is determined, the nurse can proceed to inquire about the other relevant information, such as the dosage of ibuprofen taken, presence of gastric pain, and amount of pain control. These details will help in assessing the client's current medication regimen, potential side effects or complications, and overall pain management.
Correct Answer is D
Explanation
A) Incorrect- Reviewing transcutaneous bilirubin levels is unrelated to the presence of an enlarged clitoris. Bilirubin levels are typically assessed to monitor jaundice in newborns.
B) Incorrect- Observing and palpating breast tissue for enlargement is not relevant to the condition of salt-wasting congenital adrenal hyperplasia. Breast tissue enlargement would not be associated with this hormonal disorder.
C) Incorrect- Assessing for signs of fluid retention and bilateral pedal edema is important for monitoring for other conditions, but it is not relevant to the enlarged clitoris seen in this specific scenario.
D) Correct- Salt-wasting congenital adrenal hyperplasia is a genetic disorder that results in a deficiency of certain enzymes required for cortisol and aldosterone production. This deficiency leads to an overproduction of androgens, which can cause virilization of female external genitalia. The enlarged clitoris is a result of increased androgen levels. Explaining this finding to the mother provides her with accurate information about the condition and its effects on the infant's anatomy.
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