Complete the following sentences by choosing from the list of options. 
The portal of exit is ________ (1) ________ (2) is the most likely mode of transmission, and P. Hollister is considered a (n) ________ (3) 
1: Truman The intestinal tract Unwashed hands Select choice. 
2: The health care providerA. Truman. The registered nurse.
3: Portal of entry Infectious agent Susceptible host.