Why is the h in phd lower case and the p and d are capitalized?

Is it necessary to use additional codes from the mental health chapter in icd-10 to explain substance abuse or dependence when assigning codes from the table of drugs and chemicals?

According to your text, early childhood educators should plan and implement the health component of their programs to respond to the a. need to find cures for communicable diseases. b. convenience of parents. c. predictable developmental patterns of young children. d. necessities of providing low-cost care.

Which term defines when one person tries to control another in a relationship? a) dating violenceb) consequencec)limitd) abstinence me plzz : (