Exit Ticket: Unit 3.2 Body Guards (Final check)

The next check on this week's work. It revisits a skill you have already seen, so treat it as another go rather than new ground. Enter your Student ID and submit.

1. 1. The skin contributes to immune defense mainly by:

   AMaking the T cells that recognize invadersBFiltering pathogens out of lymphCProducing antibodies against pathogensDForming a physical barrier against pathogens

2. 2. A teenager has never had measles. A blood test still finds measles antibodies. The most likely reason is that the teenager:

   AMakes measles antibodies as part of innate defenseBIs in the first days of a measles infectionCStill carries antibodies passed on before birthDWas vaccinated against measles as a child

Enter your Student ID to submit.