Jan, a pharmacy technician student, says that anesthesia works by turning off the brain's ability to feel pain. Her classmate, Ingo, disagrees. Who is correct?
a. Jan is correct.
b. Ingo is correct.
c. Ingo is partially correct because general and regional anesthesia work this way but local does not.
d. Jan is partially correct because general anesthesia works this way but local and regional anesthesia does not.