Television System in Fluoroscopy Quiz

What is the primary function of a TV camera in a fluoroscopy system?

• To record video footage

• To convert light images to electrical signals

• To convert electrical signals to light images

• To display images on a monitor

Which type of TV camera is commonly used in fluoroscopy systems?

• Charge-coupled Device (CCD)

• Vidicon

• Plumbicon

• Orthicon

What is a significant advantage of using a Charge-coupled Device (CCD) in digital fluoroscopy?

• Higher cost

• Greater sensitivity to light

• Requires warm-up time

• Larger size

In the operation of a TV monitor, what does the voltage signal produced by the video camera represent?

• The brightness of the image

• The color of the image

• The audio signal

• The visible image on the monitor

What is the main advantage of using a flat panel detector (FPD) in fluoroscopy?

• Requires a television camera

• Higher patient dose

• Produces distorted images

• Smaller size for flexible movement

How does digital subtraction angiography (DSA) enhance the study of blood vessels?

• By merging images before and after contrast injection

• By reducing the number of images

• By increasing the size of the images

• By using only one image

What is the role of the electron beam in a TV camera?

• To create light images

• To scan the phosphor screen

• To convert light images to voltage signals

• To display images on the monitor

What is the purpose of the raster scan pattern in a TV camera?

• To increase image size

• To guide the electron beam

• To create a 3D image

• To enhance color quality

What is a significant benefit of using digital fluoroscopy over traditional imaging methods?

• Enhanced image processing capabilities

• Increased radiation exposure

• More complex equipment setup

• Reduced patient comfort