29th September 2020

A 48-year-old woman is seen by her GP in clinic regarding follow-up for her recent blood tests

A 48-year-old woman is seen by her GP in clinic regarding follow-up for her recent blood tests. She had initially presented with a 6-month history of worsening arthralgia, an erythematous rash on her cheeks which was more noticeable after walking in the sun whilst on holiday, as well as increasing pain at night in her wrists. The GP had ordered a series of blood tests. 

Which of the following is the most likely blood test that the GP has ordered, considering the condition this patient likely has.

Select the SINGLE most appropriate option from the list below. Select ONE option only.