Answer to Question 1
A
Immunization is the process by which resistance to an infectious disease is produced or increased. A weakened or dead organism and modified toxins from the organism is injected into the body, not a live, strong organism. Immunizations do not definitely keep a child well. Passive immunity occurs when antibodies produced by other people or animals are introduced into a person's bloodstream, whereas active immunity is from a weakened or dead organisms or modified toxins from the organism.
Answer to Question 2
C
A pathogen is any microorganism capable of producing an illness. The most common means of transmission of pathogens is by the hands. Pathogens are also transmitted through a human's blood and body fluids and by insects (e.g., mosquitoes carrying malaria) and rodents. Although the other responses could spread pathogens, the most correct answer and most common method is insufficient hand hygiene.