blake wilcox is a 28 year old young woman with a history of anorexia nervosa. she has been in counseling off and on for the past 10 years. she returns to the counseling center and confides to the social worker that for the past 3 months her fear of gaining weight has returned but this time around she does not purge; that is, blake does not self-induce vomiting after eating. instead, blake has put herself on a strict regimen of dieting, interspersed with fasting and excessive exercise. what type of anorexia does blake have?