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 Leptospirosis

B Plague

C Anthrax

D Tularemia

Question #2

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

A Norovirus

B Hepatitis A Virus

C Salmonella typhi

D Bacillus anthracis

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 Campylobacter

B Trichinella

C African Swine Fever

D Influenza (swine flu)

Question #4

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

A Salmonella enterica

B Norovirus

C Clostridium perfringens

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 epilepsy

B cosmetically to reduce wrinkles from aging

C migraines

D cerebral palsy

Question #6

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

A profuse diarrhea

B anaphylaxis

C intestinal intussusception

D vomiting

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 Campylobacter jejuni

B Streptococcus bacillus

C Leptospira canicola

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 Icterus is the most common clinical sign

C Rats are the most significant reservoirs

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

Question #9

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

A Coxiella burnetti

B Leptospira interrogans

C Coccidioides immitis

D Francisella tularensis

Question #10

Which is true concerning plague caused by Yersinia pestis infections

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

B The bubonic form is highly contagious

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

D Most cases in the US occur in the state of California

Question #11

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

A Enterohemorrhagic E. coli and Shigella dysenteriae

B Enteropathogenic E. coli and Shigella dysenteriae

C Enteroinvasive E. coli and Vibrio cholera

D Salmonella typhimurium and Vibrio cholerae

Question #12

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

A septic arthritis

B vomiting

C rash

D fever

Question #13

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

A ingestion of contaminated meat

B ingestion of contaminated milk

C inhalation

D cutaneous exposure

Question #14

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

A Produces no local reactions in vaccinated animals

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

C All of these answers are true of the vaccine

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

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 Rabbits are a common reservoir world wide

Question #17

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 #18

The primary organ affected by aflatoxins is:

A kidney

B liver

C colon

D brain

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 Q-fever

C Leptospirosis

D Chlamydiosis

Question #20

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

A Francisella tularensis

B Trichinella spiralis

C Sporothrix schenkii

D Bartonella henselae

Question #21

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 #22

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

A ulceroglandular

B glandular

C pulmonary

D oropharyngeal

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 Salmonella typhimurium

C Listeria monocytogenes

D Staph aureus

Question #25

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

A Coxiella burnetti

B Mycobacterium bovis

C E. coli

D Listeria

Question #26

Which of the following is FALSE concerning Bacillus anthracis?

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

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

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

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

Question #27

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

A cryptosporidium parvum

B entamoeba histolytica

C Trypanosoma cruzi

D Giardia lamblia

Question #28

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

A ingestion of undercooked meat

B foodborne illness from home canning

C contamination of wounds

D infantile

Question #29

Which statement is FALSE concerning cat scratch disease?

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

B Ocular manifestations include conjunctivitis and neuroretinitis

C The primary clinical sign is high fever

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 Bacillus anthracis

C Cryptococcus

D Helicobacter

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