When assessing for adequate circulation prior to inserting an arterial line, the nurse should perform which of the following actions?
Check for capillary refill by Performing an Allen test
Assess blood pressure in both arms
Monitor heart rate and rhythm
Evaluate oxygen saturation levels
The Correct Answer is A
A. The Allen test assesses collateral circulation to the hand by evaluating blood flow through the ulnar artery before cannulating the radial artery for an arterial line, ensuring adequate circulation.
B. Blood pressure assessment is important but does not specifically evaluate collateral circulation at the insertion site.
C. Monitoring heart rate and rhythm is vital for overall cardiovascular status but unrelated to local circulation for arterial line placement.
D. Oxygen saturation reflects respiratory function, not the adequacy of circulation at the insertion site.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Smoke inhalation injuries primarily affect the respiratory tract, not just the skin.
B. Airway compromise and pulmonary edema can quickly develop following smoke inhalation due to thermal injury, chemical irritation, or inflammation. Early recognition and intervention are critical to prevent respiratory failure.
C. Smoke inhalation injuries often lead to immediate and potentially life-threatening complications, such as airway edema, carbon monoxide poisoning, and respiratory distress.
D. While individuals with pre-existing respiratory conditions may be more vulnerable, smoke inhalation injuries can occur in anyone exposed to smoke in a fire and are not limited to those with underlying conditions.
Correct Answer is A
Explanation
A. A pulmonary artery catheter (Swan-Ganz catheter) allows continuous cardiac output monitoring and measurement of right ventricular pressures and volumes.
B. An electrocardiogram monitors electrical activity of the heart but does not measure cardiac output or ventricular volume.
C. A central venous catheter measures central venous pressure but does not provide cardiac output or right ventricular volume data.
D. An arterial line monitors arterial blood pressure continuously but does not provide cardiac output or right ventricular volume information.
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