Rad 254 - Quiz Bowl

If an IR is underexposed or overexposed, it can still be displayed as acceptable. This is…

Which system is responsible for tracking workflow and collecting radiology specific data?

The output phosphor can be coupled with the TV camera or CCD via: (choose 2)

A continuous horizontal white line across a CR cassette would most likely indicate what?

In comparison with 60kv, 90kv will (choose 2)

Which of the following has the greatest impact on contrast in digital imaging?

Which of the following systems is responsible for storing images?

The light emitted by the PSP is transformed into the image on the monitor by the

The term pixel is associated with all of the following except:

A representation of pixel values on a graph is called what?

The main difference between direct capture and indirect capture is that:

Which of the following is associated with magnification fluoroscopy?

How efficiently a system converts the x-ray input signal into an output image is known as:

Which of these factors will INCREASE signal to a digital IR? (choose 2)

Which of these will have the least exposure to the image receptor?

Increasing the window level of an image will have what affect?

What affect will a LOW Signal to Noise Ratio have on the appearance of the digital image?

Which aspect of the intensifier corrects for fluctuations in brightness by adjusting kv and mA?

For the same FOV, spatial resolution will be improved using

True or False: High kVp should be associated with a short scale of contrast

Quality Control testing for electronic display resolution is commonly done by:

Uniform lines across a CR image is most likely caused by what?

Compared to film-screen systems, digital imaging has which of these? (choose 2)

What should be done to increase the number of shades of gray on an image?

In digital imaging, as DEL size decreases

Decreasing the pixel bit depth will have what effect on the image?

Quantum noise on an image is directly related to what?

The relationship between the height of a grid's lead strips and the distance between them is:

Resolution in CR increases as: (choose 2)

Decreasing the field size from 14x17 to 8x10 with no other changes, will

Which of the following statements about histograms is/are true?

Which of these fluoroscopy components will reduce exposure to the patient?

Where should the Image Intensifier be placed in fluoroscopy in order to reduce patient dose?

True or False: Quantum mottle can be controlled by the radiographer

What interfaces with the RIS and HIS and plays a key role in populating image formation to EMR?

In digital imaging, as image matrix size increases:

Which of these systems would produce images with the highest spatial resolution?

The image intensifier's input phosphor differs from the output phosphor in that the input

PACS is responsible for which of the following? (choose 2)

What is the purpose of shuttering?