A nurse is teaching an adolescent about the procedure for completing a 24-hr urine test. Which of the following statements by the adolescent indicates an understanding of the teaching?

"I will include toilet paper that falls into the urine as part of the collected sample."

"I will throw out my first urine sample when I start the urine collection."

"I can stop the urine test earlier than 24 hours if I fill up the collection container."

"I can discard urine while I am at school if I keep track of the number of times I void."