10.


This question has two parts. First, answer Part A. Then, answer Part B.

Part A

Most humans receive multiple vaccinations throughout infancy and childhood, which protect against a variety of viral illnesses. How do vaccines actually work?

Select TWO correct answers.

Select SC-9KymQRQIJ9|RESPONSE-iki_ylWfX
After vaccination, the body's immune system will be able to better recognize and fight off the actual virus should it enter the body.

Select SC-FYYtXk7nHJ|RESPONSE-iki_ylWfX
The vaccine allows the body to recognize bacterial infection the next time it's encountered.

Select SC-h5xycj3mQT|RESPONSE-iki_ylWfX
Vaccines are made of the same pathogen as the virus itself, although in a weakened form.

Select SC-5rlT1QriE-|RESPONSE-iki_ylWfX
Vaccines contain a stronger version of the virus itself.

Part B

Consider the correct answers you chose above. What is the best justification for choosing these answers?

Select {responseValue}
In order to prevent illness, the body must be exposed to the virus in a stronger form, so it can be more easily recognized once infected.

Select {responseValue}
Vaccines are made from the weakened virus, which allows the body to recognize the virus when actually infected.

Select {responseValue}
Vaccines target the cell wall of the bacterial cell, which destroy it upon entry into the host cell.

Select {responseValue}
Bacterial cells are easily killed by vaccines.

...

1 answer

Part A

The two correct answers regarding how vaccines work are:

  1. After vaccination, the body's immune system will be able to better recognize and fight off the actual virus should it enter the body.
  2. Vaccines are made of the same pathogen as the virus itself, although in a weakened form.

Part B

The best justification for choosing these answers is:

Vaccines are made from the weakened virus, which allows the body to recognize the virus when actually infected.