Exam 13: Microbe-Human Interactions: Infection, Disease, and Epidemiology

The Centers for Disease Control and Prevention assigns the most virulent microbes known to cause human disease to biosafety level 4.

The time from when pathogen first enters the body and begins to multiply, until symptoms first appear is the

_____ carriers are shedding and transmitting pathogen while they are recovering from an infectious disease.

Compare and contrast exotoxins and endotoxins with regard to their: a) chemical nature, b) source, c) effects on human body cells and resulting symptoms, and d) examples.

Fomites, food, and air serve as indirect transmission routes of pathogens.

A disease that has a steady frequency over time in a population is

The human body typically begins to be colonized by its normal flora

A _____ is an infection indigenous to animals that can, on occasion, be transmitted to humans.

Reservoirs include

A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.

An animal, such as an arthropod, that transmits a pathogen from one host to another is a

Septicemia means that a pathogen is present and multiplying in the blood.

Some diseases can be vertically transmitted.This is understood to mean the disease is transmitted

Endogenous infectious agents arise from microbes that are

All of the following are correct about mechanical vectors, except

The subjective evidence of disease sensed by the patient is termed

The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the

The principal government agency responsible for tracking infectious diseases in the United States is the

Which of the following is correct about skatole?

Which of the following is an example of vertical transmission?