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 Plague

B Anthrax

C Tularemia

D Leptospirosis

Question #2

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

A Norovirus

B Bacillus anthracis

C Salmonella typhi

D Hepatitis A Virus

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 African Swine Fever

D Campylobacter

Question #4

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

A Enterohemorrhagic E. coli.

B Salmonella enterica

C Norovirus

D Clostridium perfringens

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 migraines

C cerebral palsy

D cosmetically to reduce wrinkles from aging

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 anaphylaxis

D intestinal intussusception

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 Streptococcus bacillus

C Vibrio vulnificus

D Campylobacter jejuni

Question #8

All of the following are true about leptospiral infections EXCEPT:

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

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

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 Leptospira interrogans

C Coxiella burnetti

D Francisella tularensis

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 cat flea, ctenocephalides felis, is not a common vector

C The bubonic form is highly contagious

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 Enteropathogenic E. coli and Shigella dysenteriae

B Salmonella typhimurium and Vibrio cholerae

C Enteroinvasive E. coli and Vibrio cholera

D Enterohemorrhagic 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 vomiting

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 ingestion of contaminated meat

C cutaneous exposure

D inhalation

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 leafy vegetables

B eggs

C reptiles

D poultry

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

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

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 liver

B colon

C brain

D kidney

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 Brucellosis

D Leptospirosis

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 somatic cell counts

B hormones

C pre-pasteurization bacterial counts

D bacterial growth inhibitors

Question #22

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

A oropharyngeal

B pulmonary

C ulceroglandular

D glandular

Question #23

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

A biocontainment

B biohazard

C biosafety

D biosecurity

Question #24

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

A Listeria monocytogenes

B Staph aureus

C Vibrio cholerae

D Salmonella typhimurium

Question #25

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

A Listeria

B Mycobacterium bovis

C Coxiella burnetti

D E. coli

Question #26

Which of the following is FALSE concerning Bacillus anthracis?

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

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

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

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

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 ingestion of undercooked meat

B foodborne illness from home canning

C infantile

D contamination of wounds

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 The primary clinical sign is high fever

D Ocular manifestations include conjunctivitis and neuroretinitis

Question #30

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

A Bacillus anthracis

B Chlamydia psittaci

C Helicobacter

D Cryptococcus

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