What is a benefit of an arterial line?
Continuous monitoring of blood pressure
Decreased risk of infection
Improved oxygenation
Measures pulmonary wedge pressure
The Correct Answer is A
A. An arterial line allows continuous, real-time monitoring of blood pressure, providing accurate and immediate data important for critically ill patients.
B. The presence of an arterial line may actually increase infection risk if not properly cared for.
C. Arterial lines do not improve oxygenation directly; they monitor blood pressure.
D. Pulmonary wedge pressure is measured via a pulmonary artery catheter, not an arterial line.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. While a clean environment is important, this action alone does not provide emotional support.
B. Rotating nursing staff frequently may disrupt the development of trust and rapport, which are important for emotional support.
C. Talking during wound care can provide some support but may increase anxiety if the client is in pain or stressed.
D. Keeping family members informed helps maintain social support and emotional connection, which are critical for the client’s psychological well-being during rehabilitation.
Correct Answer is D
Explanation
A. 9% represents the total surface area of one arm (anterior and posterior combined), not both arms.
B. 12% is not a correct calculation based on the Rule of Nines.
C. 36% represents a much larger area, such as the entire trunk (anterior and posterior), not just the arms.
D. According to the Rule of Nines, each arm accounts for 9% of total body surface area (4.5% anterior + 4.5% posterior). Therefore, both arms (anterior and posterior) equal 18% total
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