The hallmark of an absence seizure is:
a. No activity at all.
b. A blank stare.
c. Urine is usually voided involuntarily.
d. The attack usually lasts several minutes.
Question 2
Which of the following would be considered the research design for Level VII evidence?
a. Well-designed controlled trials without randomization
b. Opinion of authorities and expert committees
c. Well-designed case control or cohort studies
d. Single descriptive or qualitative study
