Exam 3: Infectious Diseases

An example of a _____ transmission of an infectious disease is one that is transmitted to newborns from infected mothers.

The source of an infectious agent is known as a reservoir.

_____ infectious diseases include outbreaks of previously unknown diseases or known diseases whose incidence in humans has significantly increased in the past two decades.

Of all methods, _____ may be the most effective way to protect personal and public health from infectious diseases, such as the elimination of smallpox.

The number of existing cases of a disease is known as its incidence.

Tracking the _____ of a disease is tracking the number of new cases of a disease in a population.

Bacteria that are comma-shaped are called vibrios.

Food and beverages can transmit infectious disease, such as through the fecal-oral route.

Bacteria that have spiral-shaped cells are called _____.

The effective treatment of an infectious disease depends on the type of causative _____.

The 100 trillion microorganisms that are commonly present in or on our bodies comprise our normal flora or _____.

Protozoa are single-celled eukaryotic microorganisms.

When an epidemic has spread to include several areas worldwide, it is said to be _____.

_____ infectious diseases are known diseases that have reappeared after a significant decline in incidence.

If a disease occurs in unusually large numbers over a specific area, it is said to be epidemic.

Vertical transmission of infectious diseases can occur either directly or indirectly.

There are certain antibiotics that may be used to treat protozoal infections.

_____ must carry out their life processes by entering cells and directing the cell's energy, materials, and organelles.

A weakened patient, such as one with a weakened immune system, is an ideal target for an _____ pathogen.

Amoeboids move by a means of cell membrane extensions called _____ (from Greek words meaning "false feet").