Distance from the x-ray source to the subjects in midsagittal plane is

# In standard cephalometric arrangement, the distance from the x-ray source to the subjects in midsagittal plane is:

A. 3 feet

B. 4 feet

C. 5 feet

D. 6 feet

The correct answer is C. 5 feet.

- The distance between X-ray film and midsagittal plane of patient's head is - approximately 18 cm or 7 inches.

- The distance between X-ray tube and midsagittal plane of patients head is 5 feet, 60 inches/ 152.4 cm. (KERALA-15) 

- While taking radiographs the operator should stand at a distance of : 6 feet

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