| Question |
Answer |
| In digital, what does kVp control? |
penetration (NOT contrast) |
| In digital, what controls contrast? |
window width |
| In digital, what controls density? |
window level |
| An increase in window level will change density how? |
density will increase with increased window level |
| What type of relationship do window width and contrast have? |
inverse |
| Frequency (digital) |
raw data used to create the image |
| A high contrast image has what kind of frequency? |
high |
| A low frequency image will have what kind of contrast? |
low |
| Narrow window width produces what type of image? |
high contrast, short scale |
| Wide window width produces what kind of image? |
low contrast, long scale |
| 12 bit depth produces how many shades of gray? |
4096 |
| 12 bit depth produces how many gray levels? |
212 |
| In the image file size formula, the X, Y and B each represent what? |
X = x-axis pixel matrix size, Y = y-axis pixel matrix size, B = gray scale bit depth |
| What is the image file size formula? |
XY(B/8) |
MedTemCP5 Word+Pics
