Question 1

In different geographic locations, different tick and Borrelia spp. may be involved in the transmission and cause of Lyme disease.

Accepted Answer

A) True 
 B)False  TRUE

Question 2

Tetanus is highly contagious through person-to-person contact.

Accepted Answer

A) True 
 B)False  FALSE

Question 3

Tetracycline and chloramphenicol are the drugs of choice for the treatment of many of the rickettsial diseases.

Accepted Answer

A) True 
 B)False  TRUE

Question 4

Many West Nile virus infections are not properly identified because

Accepted Answer

A)  the disease mimics malaria. 
B)  the symptoms are often subacute. 
C)  the disease is frequently fatal. 
D)  most physicians and diagnosticians are not aware of this disease. 
A)  the disease mimics malaria. 
B)  the symptoms are often subacute. 
C)  the disease is frequently fatal. 
D)  most physicians and diagnosticians are not aware of this disease.

Question 5

Wild animals are a natural reservoir for Clostridium tetani.

Accepted Answer

A) True 
 B)False

Question 6

The majority of cases of human plague in the United States occur in the northeastern states.

Accepted Answer

A) True 
 B)False

Question 7

A PCR assay has been developed for the detection of the bacterium (Borrelia burgdorferi) that causes Lyme disease.

Accepted Answer

A) True 
 B)False

Question 8

Human granulocytic anaplasmosis is associated with typhus.

Accepted Answer

A) True 
 B)False

Question 9

Travelers should be vaccinated against yellow fever when traveling to Sub-Saharan Africa or South America.

Accepted Answer

A) True 
 B)False

Question 10

Very few preventative measures are taken against anthrax, because

Accepted Answer

A)  the general population is not exposed to infected materials or animals regularly. 
B)  non-weaponized anthrax causes only a mild flu-like illness. 
C)  no vaccines are effective. 
D)  the causative agent Bacillus anthracis mutates rapidly. 
A)  the general population is not exposed to infected materials or animals regularly. 
B)  non-weaponized anthrax causes only a mild flu-like illness. 
C)  no vaccines are effective. 
D)  the causative agent Bacillus anthracis mutates rapidly.

Question 11

Which of the following pathogens is spread by infected lice?

Accepted Answer

A)  Borrelia burgdorferi 
B)  Plasmodium falciparum 
C)  Rickettsia prowazekii 
D)  Yersinia pestis 
A)  Borrelia burgdorferi 
B)  Plasmodium falciparum 
C)  Rickettsia prowazekii 
D)  Yersinia pestis

Question 12

Both yellow and dengue fever can be prevented by vaccines.

Accepted Answer

A) True 
 B)False

Question 13

Which insect functions in the host-to-host transmission of typhus?

Accepted Answer

A)  rat flea 
B)  body or head louse 
C)  dog tick 
D)  deer tick 
A)  rat flea 
B)  body or head louse 
C)  dog tick 
D)  deer tick

Question 14

Using a specific example, explain the term ʺaccidental host.ʺ

Accepted Answer

When an infectious agent invades a cell

Question 15

Tetanus develops from a puncture wound because

Accepted Answer

A)  the organism's endospores germinate in anoxic conditions. 
B)  the organism gains access to the circulatory system and then invades the nervous system. 
C)  the organism digests deep connective tissues. 
D)  the organism needs access to the circulatory system and deep connective tissues. 
A)  the organism's endospores germinate in anoxic conditions. 
B)  the organism gains access to the circulatory system and then invades the nervous system. 
C)  the organism digests deep connective tissues. 
D)  the organism needs access to the circulatory system and deep connective tissues.

Question 16

Murine toxin is a ________ that is a respiratory inhibitor and lethal to mice.

Accepted Answer

A)  Yersinia pestis endotoxin 
B)  Rickettsia prowazekii endotoxin 
C)  Yersinia pestis exotoxin 
D)  Rickettsia prowazekii exotoxin 
A)  Yersinia pestis endotoxin 
B)  Rickettsia prowazekii endotoxin 
C)  Yersinia pestis exotoxin 
D)  Rickettsia prowazekii exotoxin

Question 17

The Black Plague has killed millions of humans over the course of history, yet we do not vaccinate against this disease. Why is this and how is the disease controlled in modern human populations?

Accepted Answer

Plague is a zoonosis of rodents that is

Question 18

Soldiers or refuges in crowded unsanitary conditions are most susceptible to which rickettsial disease?

Accepted Answer

A)  Lyme disease 
B)  typhus 
C)  Q fever 
D)  Rocky Mountain spotted fever 
A)  Lyme disease 
B)  typhus 
C)  Q fever 
D)  Rocky Mountain spotted fever

Question 19

Compare and contrast dengue fever and West Nile fever. Which disease would be easier to eradicate and why?

Accepted Answer

Both dengue fever and West Nile fever ar

Question 20

Rocky Mountain Spotted Fever can be

Accepted Answer

A)  prevented using vaccination. 
B)  spread by lice. 
C)  diagnosed by culturing in the laboratory without a host animal. 
D)  treated effectively with tetracycline or chloramphenicol. 
A)  prevented using vaccination. 
B)  spread by lice. 
C)  diagnosed by culturing in the laboratory without a host animal. 
D)  treated effectively with tetracycline or chloramphenicol.

Exam 31: Vectorborne and Soilborne Bacterial and Viral Diseases

In different geographic locations, different tick and Borrelia spp. may be involved in the transmission and cause of Lyme disease.

Tetanus is highly contagious through person-to-person contact.

Tetracycline and chloramphenicol are the drugs of choice for the treatment of many of the rickettsial diseases.

Many West Nile virus infections are not properly identified because

Wild animals are a natural reservoir for Clostridium tetani.

The majority of cases of human plague in the United States occur in the northeastern states.

A PCR assay has been developed for the detection of the bacterium (Borrelia burgdorferi) that causes Lyme disease.

Human granulocytic anaplasmosis is associated with typhus.

Travelers should be vaccinated against yellow fever when traveling to Sub-Saharan Africa or South America.

Very few preventative measures are taken against anthrax, because

Which of the following pathogens is spread by infected lice?

Both yellow and dengue fever can be prevented by vaccines.

Which insect functions in the host-to-host transmission of typhus?

Using a specific example, explain the term ʺaccidental host.ʺ

Tetanus develops from a puncture wound because

Murine toxin is a ________ that is a respiratory inhibitor and lethal to mice.

The Black Plague has killed millions of humans over the course of history, yet we do not vaccinate against this disease. Why is this and how is the disease controlled in modern human populations?

Soldiers or refuges in crowded unsanitary conditions are most susceptible to which rickettsial disease?

Compare and contrast dengue fever and West Nile fever. Which disease would be easier to eradicate and why?

Rocky Mountain Spotted Fever can be

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