University of Missouri » Public Health » V_PBIO 8458 - Veterinary Public Health » Summer 2022

V_PBIO 8458 - Veterinary Public Health » Summer 2022 » Exam 1 Lecture 1-10

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Question #1

Acute pneumonia in an otherwise healthy middle age individual would raise suspicion of infection with this organism.

A. Cryptococcus

B. Chlamydia psittaci

C. Bacillus anthracis

D. Helicobacter

Question #2

Which statement is FALSE concerning cat scratch disease?

A. Most infected cats are asymptomatic

B. Declawing cats has not been shown to decreases chances of infection

C. Ocular manifestations include conjunctivitis and neuroretinitis

D. The primary clinical sign is high fever

Question #3

This is the most common form/source of human botulism seen in the United States.

A. infantile

B. contamination of wounds

C. ingestion of undercooked meat

D. foodborne illness from home canning

Question #4

This is the most common parasitic cause of diarrhea in North America.

A. cryptosporidium parvum

B. entamoeba histolytica

C. Giardia lamblia

D. Trypanosoma cruzi

Question #5

Which of the following is FALSE concerning Bacillus anthracis?

A. Spores last a long time in the soil because they are resistant to UV light degradation.

B. Koch's postulates were developed from the study of this bacteria.

C. Virulence factors are coded on both the pXO1 and pXO2 plasmids.

D. Exposure of the bacteria to oxygen leads to spore formation.

Question #6

Control of this agent determines the minimum temperatures required for milk pasteurization.

A. Listeria

B. Coxiella burnetti

C. Mycobacterium bovis

D. E. coli

Question #7

Pregnant women should avoid eating processed meats and raw milk primarily due to concern for this organism.

A. Salmonella typhimurium

B. Staph aureus

C. Listeria monocytogenes

D. Vibrio cholerae

Question #8

Efforts to prevent infectious agents from leaving a research facility would be described as attempts at:

A. biosecurity

B. biosafety

C. biocontainment

D. biohazard

Question #9

The most common clinical form of tularemia seen in people is:

A. ulceroglandular

B. oropharyngeal

C. pulmonary

D. glandular

Question #10

Milk from bulk tanks is tested for all of the following EXCEPT

A. somatic cell counts

B. hormones

C. bacterial growth inhibitors

D. pre-pasteurization bacterial counts

Question #11

This organism is probably the most common cause of chronic lymphadenopathy in children.

A. Francisella tularensis

B. Bartonella henselae

C. Trichinella spiralis

D. Sporothrix schenkii

Question #12

Bob likes to eat imported Mediterranean cheese. For months he has been complaining of muscle soreness, fatigue and occasional fever. A condition of high suspicion would be:

A. Brucellosis

B. Leptospirosis

C. Q-fever

D. Chlamydiosis

Question #13

The primary organ affected by aflatoxins is:

A. kidney

B. brain

C. liver

D. colon

Question #14

Which statement is FALSE concerning Rat Bite Fever

A. Infection can also occur by ingestion of contaminated milk or water.

B. The causative agent of is part of the normal respiratory flora of rats.

C. Requires a bite or scratch from a rat when being handled

D. Serious complications include myocarditis and meningitis

Question #15

Which of the following is true of Tularemia infections?

A. Rabbits are a common reservoir world wide

B. Person to person transmission is common with all forms

C. Infection can occur from exposure to very low doses through cutaneous or respiratory exposure

D. Due to the seriousness of the disease, all exposed persons should be treated with anitbiotics

Question #16

Common sources of Salmonella infections include all of the following EXCEPT:

A. eggs

B. leafy vegetables

C. reptiles

D. poultry

Question #17

Which of the following is an advantage of the RB51 bovine brucellosis vaccine?

A. Produces no local reactions in vaccinated animals

B. All of these answers are true of the vaccine

C. Will not cause infection in people after accidental needle injection or ingestion.

D. Does not induce a measurable antibody response that interferes with brucella serologic tests

Question #18

The most common means of transmission of Coxiella infections to people is:

A. ingestion of contaminated milk

B. ingestion of contaminated meat

C. cutaneous exposure

D. inhalation

Question #19

The 3 primary clinical signs of infection with streptobacillus moniliformis include all of the following EXCEPT

A. vomiting

B. rash

C. septic arthritis

D. fever

Question #20

Which two bacteria produce a similar toxin leading to clinical disease?

A. Enteroinvasive E. coli and Vibrio cholera

B. Salmonella typhimurium and Vibrio cholerae

C. Enteropathogenic E. coli and Shigella dysenteriae

D. Enterohemorrhagic E. coli and Shigella dysenteriae

Question #21

Which is true concerning plague caused by Yersinia pestis infections

A. The bubonic form is highly contagious

B. The cat flea, ctenocephalides felis, is not a common vector

C. Most cases in the US occur in the state of California

D. Pneumonic plague is the deadliest and most common clinical form of disease

Question #22

Lymphadenopathy and localized ulcerations seen in a landscaper in Missouri raises suspicion of infection with what organism?

A. Leptospira interrogans

B. Francisella tularensis

C. Coxiella burnetti

D. Coccidioides immitis

Question #23

All of the following are true about leptospiral infections EXCEPT:

A. Rats are the most significant reservoirs

B. Icterus is the most common clinical sign

C. Worldwide human infections produce nearly 1 million clinical cases and 60,000 deaths per year

D. Broad vaccine protection is difficult to obtain due to the presence of multiple strains and serovars

Question #24

A person cuts their foot on a rock on the beach and then later goes swimming in the ocean. A severe progressive flesh eating type skin infection develops secondary to what bacteria exposure?

A. Leptospira canicola

B. Campylobacter jejuni

C. Vibrio vulnificus

D. Streptococcus bacillus

Question #25

The initial rotavirus vaccine created for children was discontinued due it causing increased cases of what condition?

A. vomiting

B. profuse diarrhea

C. anaphylaxis

D. intestinal intussusception

Question #26

Because of its paralyzing effects on muscle activity, the botulinum toxin has been used to treat all of the following EXCEPT:

A. cosmetically to reduce wrinkles from aging

B. epilepsy

C. migraines

D. cerebral palsy

Question #27

Hemolytic uremic syndrome is a severe condition most commonly associated with infection by what agent?

A. Salmonella enterica

B. Enterohemorrhagic E. coli.

C. Clostridium perfringens

D. Norovirus

Question #28

Feeding regulations in the Federal Swine Health Protection Act of 1980 contributed to the control and reduction of this zoonotic agent in the US.

A. African Swine Fever

B. Influenza (swine flu)

C. Campylobacter

D. Trichinella

Question #29

A human vaccine is available for all of the following infectious agents EXCEPT

A. Hepatitis A Virus

B. Norovirus

C. Bacillus anthracis

D. Salmonella typhi

Question #30

Veterinarians in the Southwestern US might be concerned about contracting this when treating a cat with swollen lymph nodes.

A. Anthrax

B. Tularemia

C. Leptospirosis

D. Plague

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