Answer to Question 1
C, D, E
ADHD is characterized by inattention, hyperactivity, and impulsivity. Anxiety and compulsivity are not characteristic of ADHD.
Answer to Question 2
B
Parenteral routes include the intravenous, intramuscular, and subcutaneous routes. Enteral routes include oral administration, including pills and liquid suspensions. Enteral routes are safer, cheaper, and easier to use. Parenteral routes are used when rapid absorption, precise control of plasma drug levels, and prevention of digestive inactivation are important.