Integumentary system Quiz #7, Psoriasis  

1. A 40-year-old patient presents with well-demarcated, erythematous plaques covered with silvery scales on the elbows and knees. A biopsy of the lesion shows Munro microabscesses. Which of the following additional histological features is most likely to be found? 

Question 1 of 5

2. A patient diagnosed with psoriasis starts treatment with a new medication. After two weeks, the patient reports significant improvement in skin lesions. The medication likely acts by: 

Question 2 of 5

3. A 35-year-old patient with a history of psoriasis presents with joint pain, stiffness, and swelling in the fingers. Radiographs show pencil-in-cup deformity. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. During a pharmacology lecture, a professor explains the mechanism of action of a drug used in the treatment of psoriasis. The drug works by inhibiting phosphodiesterase 4 (PDE4), leading to an increase in cAMP levels, which ultimately results in reduced inflammation. Which of the following drugs is the professor most likely discussing? 

Question 4 of 5

5. A 28-year-old female patient with psoriasis is concerned about the risk of developing another autoimmune disorder. Based on her diagnosis, which of the following conditions is she at increased risk for? 

Question 5 of 5


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