How many gray levels can a computer monitor display?

a. 8
b. 32
c. 256
d. 65,500


c. The unaided human eye can distinguish only about 32 shades of gray. Digital radiographic systems claim the ability to produce up to 65,500 gray levels. However, computer monitors can display only 256 gray levels.

Health Professions

You might also like to view...

Which of the following is a disadvantage of the horseshoe load?

A. It does not work for large-diameter hose B. Hose is loaded flat, which can result in wear C. Often not enough hose is deployed when pulling from bed D. Three people are required to make shoulder folds for carrying

Health Professions

If all fields of a CMS-1500 are not completed correctly, the claim:

a. will be denied. b. will be returned. c. will be filed. d. will be processed.

Health Professions

What vitamin is the cofactor responsible for stimulating collagen formation?

A) Vitamin A B) Vitamin C C) Calcium D) Vitamin D

Health Professions

The following prescription was presented at the pharmacy: Glucophage® 500 mg BID pc, dispense 3 month supply, 3 refills, DAW

How many pills should the pharmacy dispense at one time?

Health Professions