Word meanings, second question (you have to use the words above)

Which method of administration would result in the highest concentration of the drug in the brain?

When a researcher debriefs her participants, she: provides a detailed explanation of the study. removes their undergarments. tells them they can stop taking part at any time. provides an detailed explanation of the study, and tells them they can stop taking part at any time.

Which person should increase calorie intake due to a lifestyle choice? a. an adult who is often sedentary b. an athlete c. a student getting ready for school exams d. an older woman