20. A complementary therapy for premature ejaculation is: a. A scrotal pull exercise. b. The application of a stimulating cream before intercourse. c. Ingestion of St. John's wort. d. Biofeedback. ____ 21. Personality disorders: a. Are found in about 40% to 45% of the general population. b. Include a persistent inability to cope with the expectations of self, others, and life. c. Usually appear in early childhood. d. Are relatively easy to treat. ____ 22. Who controls the public funds for mental health? a. Office manager of the mental health agency b. State and local representatives c. Mental health employees d. Regional directors of mental health ____ 23. Who uses a mental status exam? a. Primary care providers b. Mental health specialists c. Teachers d. A and B only