Quesmed arthritis

Question 1

Which type of arthritis has no systemic manifestations?

Answer 1

Osteoarthritis

Question 2

What is the most common cause of septic arthritis?

Answer 2

Staphylococcus aureus, typically from haematogenous spread due to abscess

Question 3

What is the most common cause of septic arthritis in sexually active young people?

Answer 3

Neisseria gonorrhoea

Question 5

What are the features of septic arthritis?

Answer 5

Acute swollen joint, (knee in adults) which is warm to the touch and fever.

Question 6

What is rheumatoid factor?

Answer 6

IgM reacting against IgG

Question 7

Rhomboid crystals

Answer 7

Calcium pyrophosphate

Question 8

What do thiazide diuretics increase risk of?

Answer 8

Gout

Question 9

What increases Uris acid levels?

Answer 9

Cytotoxic drugs like chemotherapy
High cell turnover
Severe psoriasis

Question 10

How does inflixmab work?

Answer 10

Anti-TNF monoclonal antibody to reduce macrophage release for inflammation
Reduces tumour activity and is used in CML

Question 11

What is psoriasis?

Answer 11

Mediated by Th1 cells and affects extensor aspects, which is improved in sunlight, It can cause nail pitting and on hypnosis.