Answer:
Based on the symptoms of dysuria, frequency, urgency, and incontinence in a 5-year-old female who is afebrile, the most likely diagnosis is:
a. Cystitis
Cystitis is inflammation of the bladder, commonly caused by a bacterial infection. It often presents with symptoms such as dysuria (painful urination), frequency (frequent urination), urgency (sudden urge to urinate), and incontinence. In children, cystitis is more common than other conditions listed and typically does not cause fever.