Select the 3 correct statements below regarding fixed vs variable kV technique charts.
a. mAs is variable when using a variable kV chart
b. the fixed kV chart is most commonly used
c. each body part has a specific kV when using a variable kV chart
d. kV is increased by 2 for each cm increase in thickness when using a variable kV chart.
e. accurate caliper measurement is required when using a variable kV chart.
f. mAs compensates for patient size and condition variation in a variable kV chart.