Exam 12: Infection and Disease

A relationship in which one organism benefits and the other is harmed is called

Vectors that transmit pathogens and also serve as host for part of the pathogen's life cycle are __________ vectors.

The number of new cases of a disease over a certain period of time compared with the general healthy population is a referred to as

Which of the following is likely to be the most frequently used portal of entry for pathogens?

A worldwide epidemic is considered a(n)__________ disease.

When a pathogen spreads from the original site to other tissues or organs it is called a(n)__________ infection.

A nonliving object such as a tissue,towel,or even money that can be used to transmit a pathogen to a host is called a(n)__________.

Animals,usually arthropods,that carry pathogens from one host to another are called __________.

The degree or extent of disease-evoking power that a microorganism has is referred to as

The presence of microbes in or on the body is a(n)

The type of infection in which several infectious agents establish themselves at the same site is referred to as a