C11

Question 1

defined as the study of
disease.

Answer 1

Epidemiology

Question 2

is an infectious disease that can
be transmitted from one person to another.

Answer 2

communicable disease

Question 2

study the factors that determine the frequency, distribution, and determinants of diseases
in human populations

Answer 2

Epidemiologists

Question 3

is a communicable disease that is
easily transmitted from person to person.

Answer 3

contagious disease

Question 3

are diseases that humans acquire from animal sources

Answer 3

Zoonotic diseases

Question 4

is defined as a greater than usual
number of cases of a disease in a particular region, usually within a short period of time (e.g., the
cryptosporidiosis epidemic of 1993)

Answer 4

epidemic disease

Question 4

is one that occurs only occasionally
within the population of a particular geographic area
(e.g., tetanus).

Answer 4

sporadic disease

Question 4

is one that is always present within
the population of a particular geographic area (e.g., staphylococcal and streptococcal infections).

Answer 4

endemic disease

Question 5

There are six components in the infectious disease process

Answer 5

• a pathogen
• a source of the pathogen (a reservoir)
• a portal of exit
• a mode of transmission
• a portal of entry
• a susceptible host

Question 5

is a disease that is occurring in epidemic proportions in many countries simultaneously.

Answer 5

pandemic

Question 5

pandemic

Answer 5

influenza
hiv/aids
tuberculosis
malaria

Question 6

Infectious diseases that humans acquire from animal
sources are called

Answer 6

zoonotic diseases or zoonoses

Question 7

The sources of microbes that cause infectious diseases are many and varied; they are known as

Answer 7

reservoirs of infection or simply reservoirs

Question 8

When arthropods are involved in the transmission of infectious diseases, they are referred to as

Answer 8

vectors

Question 9

Nonliving reservoirs

Answer 9

Air, soil, dust, contaminated water and foods, and fomites

Question 10

inanimate objects capable of
transmitting pathogens (e.g., bedding, towels, eating and drinking utensils, hospital equipment, telephones, computer keyboards,etc.)

Answer 10

Fomites

Question 11

is the most essential resource necessary for the survival of humanity

Answer 11

water

Question 12

The two general types of water pollution

Answer 12

chemical pollution
biological pollution

Question 13

Raw sewage consists mainly of

Answer 13

water, fecal material,
garbage, and bacteria.