F.C.P.S. PART II     EXAMINATION APRIL 1990 PAPER I . SUBJECT:  PSYCHIATRY. Time allowed - 3 hours Instructions ;   1. Answer all questions.   Use separate answer books for each question.   Differentiate between Alzheimer’s and picks dementias.  What investigation will you carry out in an elderly a confused person who has suffered an acute brain dysfunction? Discuss aetiological factors of drug dependence. What preventive measures are needed to check this menace. Discuss the psychiatric aspects of head injury. Give briefly .psychiatric presentation or” hypothyroidism and hyperthyroidism.