How Does Impedance Plethysmography Determine the Presence or Absence of Deep

question 19

Multiple Choice

How does impedance plethysmography determine the presence or absence of deep vein thromboses?

• A)notes resistance to electrical current associated with blood flow
• B)radioactive isotopes target clots and show "hot" on gamma cameras
• C)uses ultrasonic waves to delineate the presence of clot or clots
• D)uses radiographic technique to spot the clots

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