Eating Disorders

Question 1

What is the age of onset for anorexia

Answer 1

16-20

Question 2

When is the average age of onset for bulimia

Answer 2

21-24

Question 3

What are the two types of Anorexia and Bulimia

Answer 3

A- restricting and purging
B - Purging and non-purging (fasting and exercise)

Question 4

Do eating disorders cause low or high blood pressure

Answer 4

Low

Question 5

What bodily fluids are low in people with eating disorders

Answer 5

Low potassium magnesium and sodium

Question 6

What changed in the DSM IV vs DSM 5 re: Anorexia

Answer 6

No longer need to have Amenorrea (no menstruation) to be diagnosed

Question 7

What is the DSM criteria of duration for Bulimia

Answer 7

Behaviours occur once per week for 3 months

Question 8

Binge eating - DSM5 chronology

Answer 8

1x per week for 3 months

Question 9

BED age of onset

Answer 9

30-50

Question 10

Ratio of M to F for eating disorders

Answer 10

1:3

Question 11

Lifetime prevalence of BED

Answer 11

2 percent

Question 12

Death rate for anorexia

Answer 12

3 percent

Question 13

What are the comorbidities of eating disorders

Answer 13

Depression (50+ %)
Cluster C personality disorders - Anorexia

Cluster B personality disorders - bulimia

30% exhibit self-harming behaviours

Question 14

Comobidities BED

Answer 14

Anxiety - 65%
OCD
BPD
SUD

Question 15

Are eating disorders heritable

Answer 15

Yes - possibly as heritable as bipolar or schizophrenia

Question 16

What part of the brain plays a role in eating

Answer 16

Hypothalamus

Question 17

What three parts of the brain are implicated in stopping eating in response to fear?

Answer 17

Lateral hypothalamus, frontal cortex, amygdala

Question 18

Neurotransmitter implicated in eating disorders?

Answer 18

Serotonin