Ankylosing Spondylitis Quiz

What is Ankylosing Spondylitis primarily characterized by?

• Joint swelling

• Spinal inflammation and pain

• Skin rashes

• Muscle weakness

What is the prevalence of Ankylosing Spondylitis in the population?

• 15-20%

• 5-10%

• 0.1-1.4%

• 25-30%

Which demographic is more commonly affected by Ankylosing Spondylitis?

• Elderly

• Males

• Children

• Females

What is the strongest genetic risk factor associated with Ankylosing Spondylitis?

• HLA-B27

• HLA-A1

• HLA-Cw6

• HLA-DR4

What role do infections play in Ankylosing Spondylitis?

• They have no effect.

• They can trigger AS in genetically predisposed individuals.

• They are the primary cause.

• They only affect the skin.

What is a common symptom of Ankylosing Spondylitis?

• Chronic back pain

• Nausea

• Headaches

• Joint dislocation

What does HLA stand for?

• Human Lymphocyte Antigen

• Human Lung Antigen

• Human Liver Antigen

• Human Leukocyte Antigen

Which testing method is often chosen for routine screening of HLA-B27?

• MRI

• X-ray Imaging

• Flow Cytometry

• Polymerase Chain Reaction (PCR)

What is the significance of a positive HLA-B27 test?

• It guarantees the diagnosis of AS.

• It indicates a higher risk of developing AS.

• It confirms the presence of a bacterial infection.

• It is irrelevant to AS.

What is a potential extra-articular manifestation of Ankylosing Spondylitis?

• Hypertension

• Uveitis

• Diabetes

• Asthma