Test Your Knowledge: Recognizing and Managing Psoriatic Arthritis
Reviewed by: HU Medical Review Board | Last reviewed: July 2026 | Last updated: August 2026
Psoriatic arthritis (PsA) is common in the psoriasis population, yet it remains underdiagnosed – and diagnostic delay carries real consequences for joint outcomes. This 5-question quiz spans classification, the psoriasis-PsA link, closing the diagnostic gap, treatment strategy, and pattern recognition.
Clinical Challenge
Under the Classification criteria for psoriatic arthritis (CASPAR), a patient must have inflammatory articular disease (joint, spine, or entheseal) plus at least how many points from the criteria categories to be classified as having PsA?
Clinical Challenge
In the majority of patients who develop both conditions, what is the typical temporal relationship between cutaneous psoriasis and PsA?
Clinical Challenge
A dermatology practice wants to reduce underdiagnosis of PsA in its psoriasis population. Which strategy is best supported by guidance?
Clinical Challenge
Per the 2021 Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) treatment recommendations, which 2 drug classes are endorsed as first-line options for moderate-to-severe disease across the key PsA domains?
Clinical Challenge
A 52-year-old with active polyarticular PsA and a concurrent diagnosis of Crohn's disease requires escalation to a biologic or targeted agent. Given the comorbidity, which drug class is generally best avoided?