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 A
Explanation
A. Most burns are preventable through proper safety measures, public education, and environmental precautions, such as smoke alarms, safe cooking practices, and keeping hot liquids away from children.
B. Burns can be caused by various sources, including scalds, chemicals, electricity, and radiation, not just fire.
C. Many burns can be prevented with awareness and safety interventions.
D. Burns can be severe even if they cover a small area, especially if they affect critical regions like the face, hands, feet, or perineum, or if they are deep (e.g., full-thickness burns).
Correct Answer is B
Explanation
A. Contractures are not always fully reversible, especially if left untreated for long periods.
B. Contractures can be partially reversible with early and appropriate treatment, including physical therapy, splinting, and sometimes surgical intervention.
C. Some contractures may become permanent if not addressed, but they are not universally irreversible.
D. Surgery may be necessary for severe contractures, but many can improve with non-surgical methods.
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