What is the region of partial illumination that surrounds the umbra?
A. Sharpness
B. Exposure
C. Penumbra
D. Cosmic Radiation
Answer: C
Radiology
- When is the worst time to x ray a pregnant women?
- What is considered to be the lethal dose?
- Fetus exposure below 5 rad an acceptable risk What is an acceptable risk for Fetus exposure?
- What is a period of time where no evidence of damage is present?
- What is the yearly maximum for workers per year?
- What is the new way to say REM
- True or False - 1 Gy is equal to 100 RAD
- What is the special unit to measure the amount of radiation a patient has?
- What is the special unit to measure the amount of radiation a patient has?
- What special unit is used to measure the radiation in the air?
- What is the main reason for the quantum model?
- True or False - Decreased OFD = decreased in magnification
- True or False - increased SID = decreased magnification
- True or False - if Any type of light or radiation does reach the film extra blackening or fog occurs.
- Which of the following does NOT cause a chemical fog?
- Which of the following causes a chemical fog?
- What is known as "Stops developer action on the film" and uses "acetic acid"
- In Automatic processing what does the developer do?
- There is lots of different kinds of processor's what is the most common type?
- The film processing chemistry has 4 major steps what is the correct order of these?
- What does this mean "Ability to record many shades of grey"?
- The silver Halide that makes up the Emulsion is dominant want element?
- What is the Emulsion made of?
- What is emulsion made up of when it comes to the film base?