Individuals who have difficulty using a tool for anything other than its proper use may have difficulty solving a problem due to
a. experiencing mental set
b. imposing unnecessary constraints
c. experiencing functional fixedness
d. focusing on irrelevant information

Analyze the impact of the availability of health services in the community and the world. research various school and community health services for people of all ages such as vision and hearing screenings and immunization programs. identify situations requiring professional health services for people of all ages such as primary, preventive, and emergency care.