Author Question: The cause of a mottled or noisy appearing CR image would be: off centering high SNR low SNR too ... (Read 57 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
The cause of a mottled or noisy appearing CR image would be:
 
 off centering
  high SNR
  low SNR
  too much collimation

Question 2

When imaging a portable AP chest, what can the technologist do to reduce the amount of heart magnification?
 
 shorten the exposure time
  increase the SID
  increase the SOD
  sit the patient semi-erect



cswans24

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

low SNR

Rationale: A low SNR may result in insufficient mAs administered, therefore, not enough photons generated.

Answer to Question 2

increase the SID

Rationale: Increasing the SID will compensate for OID between the part and the image receptor. Portable chest imaging must sustain a minimum of 40 inches, but if more distance could be achieved, then it should be applied.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

For a complete list of videos, visit our video library