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 Tularemia

B Anthrax

C Leptospirosis

D Plague

Question #2

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

A Salmonella typhi

B Hepatitis A Virus

C Bacillus anthracis

D Norovirus

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 Trichinella

C Campylobacter

D African Swine Fever

Question #4

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

A Clostridium perfringens

B Enterohemorrhagic E. coli.

C Norovirus

D Salmonella enterica

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 cerebral palsy

C epilepsy

D migraines

Question #6

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

A profuse diarrhea

B intestinal intussusception

C anaphylaxis

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 Streptococcus bacillus

B Campylobacter jejuni

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 Rats are the most significant reservoirs

C Icterus is the most common clinical sign

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 Francisella tularensis

B Leptospira interrogans

C Coxiella burnetti

D Coccidioides immitis

Question #10

Which is true concerning plague caused by Yersinia pestis infections

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

B The bubonic form is highly contagious

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

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 Enteroinvasive E. coli and Vibrio cholera

B Enteropathogenic E. coli and Shigella dysenteriae

C Enterohemorrhagic E. coli and Shigella dysenteriae

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 vomiting

B fever

C rash

D septic arthritis

Question #13

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

A ingestion of contaminated milk

B inhalation

C ingestion of contaminated meat

D cutaneous exposure

Question #14

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

A All of these answers are true of the vaccine

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

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

D Produces no local reactions in vaccinated animals

Question #15

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

A reptiles

B leafy vegetables

C eggs

D poultry

Question #16

Which of the following is true of Tularemia infections?

A Rabbits are a common reservoir world wide

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

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

D Person to person transmission is common with all forms

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 liver

B brain

C kidney

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 Chlamydiosis

B Leptospirosis

C Brucellosis

D Q-fever

Question #20

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

A Francisella tularensis

B Bartonella henselae

C Sporothrix schenkii

D Trichinella spiralis

Question #21

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

A bacterial growth inhibitors

B somatic cell counts

C pre-pasteurization bacterial counts

D hormones

Question #22

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

A glandular

B oropharyngeal

C ulceroglandular

D pulmonary

Question #23

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

A biohazard

B biosecurity

C biocontainment

D biosafety

Question #24

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

A Listeria monocytogenes

B Vibrio cholerae

C Salmonella typhimurium

D Staph aureus

Question #25

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

A Listeria

B Coxiella burnetti

C E. coli

D Mycobacterium bovis

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 Trypanosoma cruzi

B Giardia lamblia

C cryptosporidium parvum

D entamoeba histolytica

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 Most infected cats are asymptomatic

C Ocular manifestations include conjunctivitis and neuroretinitis

D The primary clinical sign is high fever

Question #30

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

A Bacillus anthracis

B Helicobacter

C Cryptococcus

D Chlamydia psittaci

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