Chapter 40 Assesment

1-6, 10, 11-12, 15, 22, 25, 28, 36

1) a
2) c
3) b
4) d
5)a
6) d

10) c

11) That infectious diseases are caused by micro-organisms called germs.
12) If a pathogen can be identified then perhaps it can be prevented or cured.

15) Wash your hands!

22) The antibodies in your system die out

25) One is infected with cancer-like properties, one is harmless and stagnant.

28) Did the end justify the means? Perhaps... Of course, we don't know the entire situation.

36) Heat is used to kill germs.