When assessing venous disease in a patient's lower extremities, the nurse knows that what test will most likely be ordered?
A) Duplex ultrasonography
B) Echocardiography
C) Positron emission tomography (PET)
D) Radiography
Ans: A
Feedback:
Duplex ultrasound may be used to determine the level and extent of venous disease as well as its chronicity. Radiographs (x-rays), PET scanning, and echocardiography are never used for this purpose as they do not allow visualization of blood flow.
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