Exam 1 Lecture 1-10

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Question #1

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

A Anthrax

B Tularemia

C Plague

D Leptospirosis

Question #2

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

A Bacillus anthracis

B Hepatitis A Virus

C Norovirus

D Salmonella typhi

Question #3

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 Influenza (swine flu)

B African Swine Fever

C Trichinella

D Campylobacter

Question #4

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

A Salmonella enterica

B Clostridium perfringens

C Norovirus

D Enterohemorrhagic E. coli.

Question #5

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 migraines

C cerebral palsy

D epilepsy

Question #6

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

A anaphylaxis

B intestinal intussusception

C vomiting

D profuse diarrhea

Question #7

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 Streptococcus bacillus

D Vibrio vulnificus

Question #8

All of the following are true about leptospiral infections EXCEPT:

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

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

C Icterus is the most common clinical sign

D Rats are the most significant reservoirs

Question #9

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

A Coccidioides immitis

B Francisella tularensis

C Coxiella burnetti

D Leptospira interrogans

Question #10

Which is true concerning plague caused by Yersinia pestis infections

A The cat flea, ctenocephalides felis, is not a common vector

B The bubonic form is highly contagious

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 #11

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

A Salmonella typhimurium and Vibrio cholerae

B Enteroinvasive E. coli and Vibrio cholera

C Enterohemorrhagic E. coli and Shigella dysenteriae

D Enteropathogenic E. coli and Shigella dysenteriae

Question #12

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

A fever

B septic arthritis

C rash

D vomiting

Question #13

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

A ingestion of contaminated milk

B inhalation

C cutaneous exposure

D ingestion of contaminated meat

Question #14

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

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

B All of these answers are true of the vaccine

C Produces no local reactions in vaccinated animals

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

Question #15

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

A leafy vegetables

B poultry

C reptiles

D eggs

Question #16

Which of the following is true of Tularemia infections?

A Person to person transmission is common with all forms

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

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

D Rabbits are a common reservoir world wide

Question #17

Which statement is FALSE concerning Rat Bite Fever

A Requires a bite or scratch from a rat when being handled

B Serious complications include myocarditis and meningitis

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

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

Question #18

The primary organ affected by aflatoxins is:

A brain

B kidney

C liver

D colon

Question #19

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 #20

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 #21

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

A pre-pasteurization bacterial counts

B bacterial growth inhibitors

C hormones

D somatic cell counts

Question #22

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

A ulceroglandular

B oropharyngeal

C pulmonary

D glandular

Question #23

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 #24

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

A Vibrio cholerae

B Staph aureus

C Listeria monocytogenes

D Salmonella typhimurium

Question #25

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

A Listeria

B Mycobacterium bovis

C E. coli

D Coxiella burnetti

Question #26

Which of the following is FALSE concerning Bacillus anthracis?

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

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

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

D Koch’s postulates were developed from the study of this bacteria.

Question #27

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

A Giardia lamblia

B cryptosporidium parvum

C entamoeba histolytica

D Trypanosoma cruzi

Question #28

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

A ingestion of undercooked meat

B infantile

C contamination of wounds

D foodborne illness from home canning

Question #29

Which statement is FALSE concerning cat scratch disease?

A Declawing cats has not been shown to decreases chances of infection

B The primary clinical sign is high fever

C Ocular manifestations include conjunctivitis and neuroretinitis

D Most infected cats are asymptomatic

Question #30

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

A Chlamydia psittaci

B Cryptococcus

C Bacillus anthracis

D Helicobacter

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