Which is a top barrier to a physical activity?
a) fear of injury
b) lack of support
c) lack of confidence
d) all of the above

Which of these is a feature of audible pedestrian crosswalk signals? o a. pedestrian tracking o b. emergency instructions o c. button location signaling od. responses to voice commands

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.

Explain the purpose and function of the icd-10-pcs coding system, include reasons for the transition from icd-9 vol. 3.