1. Which of the following is useful for the diagnosis of celiac disease?

• Antibody testing
• HLA-DQ2 and/or HLA-DQ8 testing
• Duodenal biopsy
• All of the above

2. State whether the following statement is true or false: 

Serological testing can be used to assess patient compliance to follow a gluten-free diet

• True
• False

3. Which of the following can be safely eaten by patients with celiac disease?

• Buckwheat
• Oats
• Millets
• All of the above

4. State whether the following statement is true or false:

A strict gluten-free diet is the only effective treatment available for celiac disease.

• True
• False

5. Which of the following laboratory findings could be seen in celiac disease?

• Prolonged prothrombin time
• Greasy stools
• Iron deficiency anaemia
• All of the above