# All of the following can be classified as myofunctional appliances EXCEPT:
A. Anterior bite plane
B. Andersen appliance
C. Begg appliance
D. Oral screen
# All the following are passive tooth-borne functional appliances except:
A. Andersen activator
B. Woodside and Hawley activator
C. Expansion activator
D. Herbst appliance
