The nurse assesses a client postoperatively who has an arterial line in the right radial artery. Assessment findings include pallor, paresthesia, and slow capillary refill in the client's right-hand fingers. Which action should the nurse take?

Perform the Allen test.

Elevate the client's right arm.

Flush the line with heparinized saline.

Notify the healthcare provider.

Answer and Explanation

The Correct Answer is D

A. Perform the Allen test. The Allen test is performed before inserting a radial arterial line to assess ulnar artery patency and ensure adequate collateral circulation. Since the arterial line is already placed and the client is showing signs of compromised circulation (pallor, paresthesia, and slow capillary refill), immediate intervention is required rather than further pre-insertion testing.
B. Elevate the client's right arm. Elevating the arm does not directly resolve arterial compromise and may further reduce perfusion by impairing arterial blood flow. The priority is to assess and address potential ischemia caused by arterial line complications.
C. Flush the line with heparinized saline. Flushing an arterial line is appropriate for maintaining patency, but in this case, it may worsen ischemia if the catheter is causing an obstruction or arterial spasm. Additionally, flushing should never be done forcefully due to the risk of embolization.
D. Notify the healthcare provider. The pallor, paresthesia, and delayed capillary refill suggest arterial insufficiency, possible thrombosis, or arterial spasm, which can lead to tissue ischemia and necrosis if not addressed promptly. The healthcare provider should be notified immediately to assess the need for interventions such as removal of the arterial line, vascular assessment, or anticoagulation therapy.

Nursing Test Bank

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Correct Answer is C

Explanation

A. Determine patellar tendon reflex response. The patellar reflex (knee jerk) assesses function of the L2-L4 spinal nerves, which are below the level of injury (C8-T1) and do not provide information about upper extremity function. While deep tendon reflexes are important, they do not help assess function at the suspected injury level.
B. Check the urinary bladder for distention. Bladder function is controlled by the sacral spinal nerves (S2-S4), which are much lower than the injury level. While bladder dysfunction is common in spinal cord injuries, it does not assess C8-T1 nerve function specifically.
C. Ask the client to grasp an object or form a fist. The C8 and T1 spinal nerves control hand and finger movements, including grip strength. Testing the client’s ability to grasp an object or form a fist helps assess fine motor function and nerve integrity at the injury level. This is the most appropriate way to determine function in the lower cervical and upper thoracic spinal nerves.
D. Apply resistance while the client lifts the legs. Leg movement is controlled by the lumbar and sacral spinal nerves (L2-S2), which are below the injury level. Assessing leg strength does not provide relevant information about C8-T1 function.

A. Administer famotidine 20 mg IV. B. Titrate insulin infusion by 1 unit/hour. C. Increase dopamine 2 mcg/kg. D. Raise oxygen by 10 percent.

Correct Answer is B

Explanation

A. Administer famotidine 20 mg IV. Famotidine is a histamine-2 receptor antagonist used for stress ulcer prophylaxis in critically ill patients. While this medication may be beneficial, it is not the priority intervention based on the insulin protocol and the client's blood glucose level.
B. Titrate insulin infusion by 1 unit/hour. The client’s blood glucose is 160 mg/dL, which falls within the 150–199 mg/dL range according to the insulin protocol. The protocol directs the nurse to increase the insulin drip rate by 1 unit/hour to maintain blood glucose levels below 150 mg/dL. This is the most immediate and appropriate action.
C. Increase dopamine 2 mcg/kg. The client’s MAP is 66 mmHg, which meets the protocol goal of keeping MAP >65 mmHg. There is no indication for increasing dopamine at this time, as the blood pressure is already within the target range.
D. Raise oxygen by 10 percent. The client is on 50% FiO₂ via a face mask with an oxygen saturation of 92%, which is adequate oxygenation for a critically ill patient. Increasing FiO₂ unnecessarily may contribute to oxygen toxicity and is not required based on current oxygenation status.

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The nurse assesses a client postoperatively who has an arterial line in the right radial artery. Assessment findings include pallor, paresthesia, and slow capillary refill in the client's right-hand fingers. Which action should the nurse take?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with a gunshot wound is brought to the emergency department (ED) with a bullet entry at the spinal level of C8 and T1.The client is able to move the upper arms. To further assess the client's spinal nerve function, which action should the nurse implement?

Correct Answer is C

Explanation

Correct Answer is B

Explanation

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