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 Plague

C Leptospirosis

D Anthrax

Question #2

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

A Salmonella typhi

B Hepatitis A Virus

C Norovirus

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 Trichinella

B Influenza (swine flu)

C Campylobacter

D African Swine Fever

Question #4

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

A Norovirus

B Clostridium perfringens

C Salmonella enterica

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 cerebral palsy

C cosmetically to reduce wrinkles from aging

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 vomiting

C intestinal intussusception

D anaphylaxis

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 Vibrio vulnificus

C Leptospira canicola

D Campylobacter jejuni

Question #8

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 #9

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

C The bubonic form is highly contagious

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

Question #11

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

A Enteropathogenic E. coli and Shigella dysenteriae

B Salmonella typhimurium and Vibrio cholerae

C Enterohemorrhagic E. coli and Shigella dysenteriae

D Enteroinvasive E. coli and Vibrio cholera

Question #12

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

A fever

B rash

C septic arthritis

D vomiting

Question #13

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

A ingestion of contaminated meat

B cutaneous exposure

C ingestion of contaminated milk

D inhalation

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

C Produces no local reactions in vaccinated animals

D All of these answers are true of the vaccine

Question #15

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

A eggs

B leafy vegetables

C reptiles

D poultry

Question #16

Which of the following is true of Tularemia infections?

A Person to person transmission is common with all forms

B Rabbits are a common reservoir world wide

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

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

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 Serious complications include myocarditis and meningitis

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

Question #18

The primary organ affected by aflatoxins is:

A colon

B liver

C kidney

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 Chlamydiosis

B Q-fever

C Leptospirosis

D Brucellosis

Question #20

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

A Francisella tularensis

B Trichinella spiralis

C Bartonella henselae

D Sporothrix schenkii

Question #21

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

A somatic cell counts

B pre-pasteurization bacterial counts

C hormones

D bacterial growth inhibitors

Question #22

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

A glandular

B pulmonary

C oropharyngeal

D ulceroglandular

Question #23

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

A biosafety

B biohazard

C biocontainment

D biosecurity

Question #24

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

A Staph aureus

B Salmonella typhimurium

C Listeria monocytogenes

D Vibrio cholerae

Question #25

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

A Coxiella burnetti

B Mycobacterium bovis

C Listeria

D E. coli

Question #26

Which of the following is FALSE concerning Bacillus anthracis?

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

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

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

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

Question #27

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

A cryptosporidium parvum

B Trypanosoma cruzi

C Giardia lamblia

D entamoeba histolytica

Question #28

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

A foodborne illness from home canning

B infantile

C contamination of wounds

D ingestion of undercooked meat

Question #29

Which statement is FALSE concerning cat scratch disease?

A The primary clinical sign is high fever

B Most infected cats are asymptomatic

C Ocular manifestations include conjunctivitis and neuroretinitis

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

Question #30

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

A Chlamydia psittaci

B Helicobacter

C Cryptococcus

D Bacillus anthracis

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