The School Nurse Is Called into an Art Class by the Teacher

The school nurse is called into an art class by the teacher to observe a student who is smiling and giggling as he sprays fixative on his charcoal picture. The student's eyes and nose are red, and he is coughing. The school nurse assesses that the student may be experiencing

A) a seasonal cold.
B) an allergic reaction.
C) inhalant abuse.
D) use of an opioid.