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A radiograph of the forearm is produced using 4 mA at 75 kVp. What kvp would be required to double the exposure?
A) 86 kVp
B) 66 kVp
76 kVp
D) 8,6 kVp

Respuesta :

Answer:

Required KVP = 86 KVP (Approx)

Explanation:

Given:

Current KVP = 75 KVP

Find:

KVP required to double exposure

Computation:

According to 15% rule of KVP,

15% change increse in KVP required to get double exposure.

So,

Required KVP = Current KVP + Current KVP(15%)

Required KVP = 75 KVP + 75 (15%)

Required KVP = 75 KVP + 11.25 KVP

Required KVP = 86.25 KVP

Required KVP = 86 KVP (Approx)

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