Solved

A Patient Is Being Treated on the 18-MV Beam to an AP/PA

Question 15

Multiple Choice

A patient is being treated on the 18-MV beam to an AP/PA stomach (midline) .The collimator setting is 12 x 12 with no blocks.The dose is 4400 cGy/22 fractions.The separation is 24 cm.The cord is 4 cm from the PA.What is the dose delivered to the spinal cord?


A) 206.4 cGy
B) 180 cGy
C) 220 cGy
D) 133.7 cGy

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q10: As the field size increases,the PDD:<br>A) increase<br>B)

Q11: A patient is being treated on the

Q12: Absorbed dose at depth x 100% =

Q13: What is the patient separation if depth

Q14: According to the text,methods of obtaining dose

Q16: As the SSD increases,the PDD:<br>A) increases<br>B) decreases<br>C)

Q17: Dmax is defined as:<br>A) build-up region<br>B) depth

Q18: Find the skin gap necessary to match

Q19: As a field size increases from the

Q20: Find the PDD at 3.5 cm of