> B. If you're getting only one scan a year you're fine and within yearly limits of radiation dosage considered acceptable.

But doesn't it make a difference if that "acceptable yearly limit" is spread out throughout the year as opposed to a few minutes of CT scan session?

Yes, the term is DDREF - Dose and Dose Rate Effectiveness Factor.

I really don’t buy it if someone says the opposite.

Tf is going on in Grand Central?