A school nurse is teaching a parent about absence seizures. Which of the following information should the nurse include?

A. Absence seizures typically have no aura. B. Absence seizures are brief, usually lasting 10-30 seconds, not 30 to 60 seconds. C. The onset of absence seizures is sudden and brief, not gradual. D. Absence seizures often appear as brief lapses in attention, which can be mistaken for daydreaming.