Final answer:
The most likely symptoms to indicate psoriasis are red, scaly patches, and joint pain.
Step-by-step explanation:
The set of symptoms that is most likely to indicate that the patient has psoriasis is option B) Red, scaly patches, and joint pain.
Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales, commonly affecting areas like elbows, knees, scalp, back, face, palms, and feet. Some individuals with psoriasis can also develop psoriatic arthritis, which involves joint pain and inflammation.
Therefore, the presence of red, scaly patches and joint pain is characteristic of psoriasis.