In Phase 3 activities, evacuate the ___ first

You are assessing a three month-old female patient who, according to the parents, is not acting normally. At this stage of development, the patient should be able to do which of the following?

A) Respond to name B) Reach for toys C) Babble sounds D) Roll over

The first pediatric radiographic survey may not be necessary until:

a. all primary teeth have erupted and prevent a visual inspection of interproximal surfaces. b. the arches have developed sufficiently to accommodate placement of the image receptor. c. the age of 6, when cooperation is more likely. d. the child presents with signs or symptoms of oral disease.