A list of commonly used symbols, modifiers, and place-of-service codes appears inside the front cover of the CPT manual

When an AEC is used for an AP hip, which ionization chambers are utilized?

a. the center cell b. the left and right outer cells c. all three cells d. the left outer cell only

_______________ is a rare but very serious disorder caused by a bacterium that normally lives in soil and water and mainly affects the gastrointestinal tract. 

Fill in the blank(s) with the appropriate word(s).