Final answer:
Epilepsy is characterized by abnormal brain activity, but the exact cause of epilepsy is often not identified.
Step-by-step explanation:
The correct answer is C, where the first statement about epilepsy is true, and the second statement regarding the ease of identifying the etiology for most patients is false.
Lindsey T., a 12-year-old student who has been diagnosed with clonic-tonic seizures, is experiencing negative effects potentially related to her medication, carbamazepine, given her new onset of daytime sleepiness, difficulty concentrating, and carious lesions.
The first statement about epilepsy being a group of disorders characterized by changes in neurologic function caused by abnormal electrical activity in the brain is true.
However, the second statement suggesting that the etiology of epilepsy is easily identified for the majority of epileptic patients is false. In many cases, the exact cause of epilepsy is not determined but is suspected to be due to a combination of genetic and environmental factors.
The correct answer to the question is C: The first statement is true; the second statement is false.