A client presents to the office requesting a refill of Adderall. The psychiatric mental health nurse practitioner suspects diversion and orders a urine drug screen. The urine drug screen is negative for amphetamine and positive for cocaine. What do the results indicate?

the client has not taken any Adderall in the last 3 days but has used cocaine in the last 8 hours.

the client has not taken any Adderall in the last 5 days but has used cocaine in the last week.

the client has not taken any Adderall in the last 2 days but has used cocaine in the last 5 days

the client has not taken any Adderall in the last 2 days but has used cocaine in the last week