allergic & immunologic intro

RAS is

• Recurrent Aphthous Stomatitis

• Removable Aphthous Stomatitis

• Recurable Aphthous Stomatitis

• Repeated Aphthous Stomatitis

Recurrent Aphthous Stomatitis (RAS) is a condition characterized by

• a) Chronic inflammation of the gums

• b) Recurrent painful ulcers in the mouth

• c) Proliferation of papillae on the tongue

• d) Formation of white patches on the mucosa

What is the most common age group affected by RAS?

• a) Children under 5 years

• b) Teenagers and young adults

• c) Middle-aged adults

• d) Elderly people over 65 years

Which of the following is a possible cause of RAS?

• a) Poor oral hygiene

• b) Bacterial infection

• c) Viral infection

• d) All of the above

which vitamin deficiency cause RAS

• vit a

• vit b

• vit c

• vit d