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Author Question: Which of the following technical selections would be most appropriate when applying a breathing ... (Read 57 times)

notis

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on: Jul 17, 2018
Which of the following technical selections would be most appropriate when applying a breathing technique to the lateral thoracic spine?
 
 75 kVp at 400 mAs, and 1 second
  75 kVp, 100 mA, and 3 seconds
  75 kVp, 200 mA, and 4 seconds
  75 kVp at 200 mAs and 1 second

Question 2

Which projection of the foot will demonstrate the metatarsals superimposed?
 
 mediolateral
  AP
  PA oblique
  AP oblique


samiel-sayed

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Reply #1 on: Jul 17, 2018
Answer to Question 1

75 kVp, 100 mA, and 3 seconds

Rationale: Breathing technique requires that the mA and time be set independently. For a breathing technique to be effective, a time of 3-4 seconds must be established. The lower mA station applied with the time will help reduce the patient dose.

Answer to Question 2

mediolateral

Rationale: The mediolateral will superimpose the metatarsals if properly positioned. The foot should be dorsiflexed and arranged so the plantar surface of the foot is perpendicular to the image receptor.


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