True or false: health and disease

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Most parasites are pathogens because they harm their host.

2. Statement is true

   Yes

   Statement

   Pathogens can enter the body by several different routes.

3. Statement is true

   Yes

   Statement

   A pathogen must survive the conditions inside the host to cause disease.

4. Statement is true

   No

   Statement

   Every organism living on the human body causes disease.

Instructions

Decide whether each statement about disease is true or false.

Explanation