chapter 10 - diseases and immunity

Question 1

*define:

pathogen

Answer 1

a disease-causing organism.

Question 2

*define:

transmissible disease

Answer 2

a disease in which the pathogen can be passed from one host to another.

Question 3

*state 2 ways in which pathogens of transmissible diseases may be transmitted:

Answer 3

1- through direct contact.

2- through indirect contact.

Question 4

*state how pathogens are transmitted through direct contact:

Answer 4

1- through blood:

2- body fluids:

Question 5

*state how pathogens are transmitted through indirect contact:

Answer 5

1- from contaminated surfaces.
2- contaminated food
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3- from animals or from the air.