The Mother of a 9-Year-Old Who Is in the Same

Multiple Choice

The mother of a 9-year-old who is in the same school as another child just diagnosed with meningitis (even though the child did not know nor had any direct contact with the infected child) called the pediatrician, demanding her son be prophylactically treated. The physician suggests vaccinating the boy, doing surveillance cultures, and watching the child for symptoms. The medium that the lab will use has antibiotics in it and therefore is called a(n)

A) Minimal medium
B) Differential medium
C) Selective medium
D) Inhibitory medium