Question

If the mA of a 2 second brain scan is doubled and all other parameters are not changed, the dose is _________.

1) doubled
2) uNaFfected
3) halved
4) quadrupled

Answer 1

If the mA of a 2 second brain scan is doubled, the dose is doubled.

Step-by-step explanation:

When the mA of a 2 second brain scan is doubled and all other parameters are not changed, the dose is doubled. This is because doubling the mA means doubling the amount of radiation delivered during the scan, resulting in a doubled dose.