Deck 9: The Conquest of Infectious Diseases Infectious Agents

Question 1

What disease has presented new and more difficult problems to the public health system in recent years because of the development of drug-resistant strains of the bacteria?

A) Syphilis
B) Smallpox
C) Tuberculosis
D) Pneumonia

Answer 1

C

Question 2

Stored in the laboratories at the Centers for Disease Control and Prevention and a Russian laboratory in Siberia are the only two place in which what virus remains?

A) Measles
B) Rubella
C) Polio
D) Smallpox

Answer 2

D

Question 3

Major epidemics are caused by bacteria, viruses, and parasites.

Answer 3

True

Question 4

Human bodies are inhabited, both inside and out, by trillions of bacteria.

Question 5

By 1958, routine immunization had eliminated smallpox in the United States and other industrialized countries.

Question 6

Unlike smallpox, there are many "invisible" cases of polio in which children may be injected and able to spread the virus by the fecal-oral route but not show symptoms.

Question 7

Smallpox was passed on from one victim to another by touch alone.

Question 8

The concept and practice of immunization began with polio in the 1700s.

Question 9

It is often in low-income, urban communities that parents refuse to subject their children to the small risk of immunization.

Question 10

___________________ are the most dangerous rabies threat to humans.

Question 11

Rabies primarily attacks the _____________________ system.

Question 12

The rate of rabies infections in the United States is less than 1 per _____________________ dogs.

Question 13

Pakistan and Afghanistan are the only two countries that continue to have endemic _____________________.

Question 14

whats the following terms to the appropriate description.
-A virus, bacterium, or parasite that causes the disease in humans

Question 15

whats the following terms to the appropriate description.
-A place where the pathogen lives and multiplies

Question 16

whats the following terms to the appropriate description.
-A way for a pathogen to travel from one host to another or from a reservoir to a new host

Question 17

whats the following terms to the appropriate description.
-May develop as a result of previous exposure to the pathogen

Question 18

whats the link in the chain of infection with the appropriate description.
-Pathogen could be killed

Question 19

whats the link in the chain of infection with the appropriate description.
-The reservoir that harbors the pathogen could be eliminated

Question 20

whats the link in the chain of infection with the appropriate description.
-Transmission from one host to another could be prevented by quarantining infected individuals

Question 21

whats the link in the chain of infection with the appropriate description.
-Resistance of hosts can be increased by immunization

Question 22

Which of the following are the most common source of human infection in the world?

A) Parasites
B) Viruses
C) Bacteria
D) Dogs

Question 23

Which of the following are living, single-celled organisms that can grow and reproduce outside the body if given the appropriate nutrients?

A) Parasites
B) Viruses
C) Bacteria
D) Bats

Question 24

What disease decimated the Native American populations because they had no immunity to the virus?

A) Tuberculosis
B) Smallpox
C) Cholera
D) Typhoid

Question 25

By the 1960s, the threat of infectious diseases seemed to have been reduced to a minor nuisance.

Question 26

Malaria is an example of a human disease caused by a protozoan.

Question 27

To prove that a newly discovered bacterium causes a particular disease, Koch's postulates must be satisfied.

Question 28

If you were a biomedical scientist working in 1940, you would have known which bacterium causes syphilis.

Question 29

The smallpox virus is a complete cell that grows best inside a human host rather than free in nature.

Question 30

Vaccination not only keeps the individual from contracting a disease but also makes it harder for the pathogen to find susceptible hosts.

Question 31

An animal capable of transmitting the rabies virus in its saliva will already have brain involvement, exhibit symptoms, and be dead within a few days.

Question 32

______________________ may develop as a result of previous exposure to the pathogen, or the host may naturally lack susceptibility for a variety of reasons.

Question 33

For ____________________, contact tracing is used in addition to quarantine: people who have been exposed to the patient are given prophylactic doses of antibiotics.

Question 34

The immunity that comes from infantile vaccination against measles will ____________________ by the time an individual reaches their late teens.

Question 35

Whats the appropriate person of the accomplishment?
-Developed techniques to classify bacteria by their shape and their propensity to be stained by various dyes

Question 36

Whats the appropriate person of the accomplishment?
-Crystallized the tobacco mosaic virus

Question 37

Whats the appropriate person of the accomplishment?
-Was incarcerated to prevent the spread of typhoid fever to wealthy New York homes in the beginning of the 20^th century

Question 38

Whats the appropriate infectious agent of the disease?
-Scarlet fever

Question 39

Whats the appropriate infectious agent of the disease?
-Syphilis

Question 40

Whats the appropriate infectious agent of the disease?
-Yellow fever

Question 41

Whats the appropriate infectious agent of the disease?
-Malaria