13 Questions
Which medical imaging technique involves the use of Doppler to measure speed and direction of blood flow?
Ultrasound
What type of gap allows the ultrasound beam to pass through, for instance between ribs?
Acoustic window
Which medical device uses the absorption of infrared light by hemoglobin in the blood to visualize veins?
Vein viewer
How is the refraction and reflection of sound reduced during ultrasound imaging?
By applying a water-based gel between the probe and the skin
For what purpose can ultrasound imaging be used?
To aid placement of invasive devices and for soft-tissue imaging
What happens when the device is held above the skin during vein visualization using a vein viewer?
Veins appear noticeably different than the surrounding tissues
Who would benefit from the use of a vein viewer according to the text?
Obese patients
What is the primary purpose of the vein viewer?
To map veins for phlebotomy
What physical laws does the pulse oximeter rely on?
Beer's law and Lambert's law
What does the pulse oximeter measure according to the information provided?
Pulsatile oxygen saturation
What is the purpose of continuous ECG monitoring?
To provide information about heart rate and rhythm
How many electrodes are required for a 12-lead ECG?
10 electrodes
What is the purpose of the electrodes used in an ECG?
To detect small electrical changes at the skin surface caused by the heart
Test your knowledge of ultrasound imaging, vein viewers, pulse oximeters, and electrocardiographs with this quiz. Learn about the uses of ultrasound imaging in real time for diagnostic purposes and to aid placement of invasive devices, as well as how ultrasound probes work for surface or invasive use.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
