Exam 22: An Introduction to Microbiology and Human Disease

A disease such as malaria, which is spread by a vector, is called:

Which statement about the spread of disease is true?

A secondary infection is possible if a person:

A subclinical infection is one in which the person:

Septicemia is the presence of bacteria in the:

Most fungi live on dead organic matter and are called ____________________.

The use of moderate heat to destroy most of the bacteria in dairy products is called ____________________.

Binary fission is the process by which:

Viruses cause disease by:

A disease that is normally present in a population, with an expected number of cases, is said to be:

The vector of plague is a ____________________.

A systemic infection is one that:

Rod-shaped bacteria are called ____________________.

Bacterial chemicals that are harmful to the cells of the host are called ____________________.

The cell walls of bacteria:

A microorganism that is usually harmless but may become a pathogen in specific circumstances is called:

A disease such as Lyme disease, which is spread from host to host by a vector, is considered ____________________.

Ticks are the vectors of:

The vector of yellow fever is a:

Which of the following statements are true of portals of entry and exit? (Read carefully and select all of the correct statements.)