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 Anthrax

C Tularemia

D Plague

Question #2

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

A Bacillus anthracis

B Norovirus

C Hepatitis A Virus

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 Trichinella

B Campylobacter

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 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 cerebral palsy

B migraines

C cosmetically to reduce wrinkles from aging

D epilepsy

Question #6

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

A intestinal intussusception

B profuse diarrhea

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 Vibrio vulnificus

C Leptospira canicola

D Campylobacter jejuni

Question #8

All of the following are true about leptospiral infections EXCEPT:

A Icterus is the most common clinical sign

B Rats are the most significant reservoirs

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

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 Francisella tularensis

D Coccidioides immitis

Question #10

Which is true concerning plague caused by Yersinia pestis infections

A The bubonic form is highly contagious

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

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

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 Enterohemorrhagic E. coli and Shigella dysenteriae

B Enteropathogenic E. coli and Shigella dysenteriae

C Salmonella typhimurium and Vibrio cholerae

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 rash

B septic arthritis

C vomiting

D fever

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

B All of these answers are true of the vaccine

C Produces no local reactions in vaccinated animals

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

Question #15

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

A poultry

B eggs

C leafy vegetables

D reptiles

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

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

Question #17

Which statement is FALSE concerning Rat Bite Fever

A Serious complications include myocarditis and meningitis

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

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

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

Question #18

The primary organ affected by aflatoxins is:

A colon

B brain

C kidney

D liver

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 Q-fever

B Chlamydiosis

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 Sporothrix schenkii

D Bartonella henselae

Question #21

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

A hormones

B bacterial growth inhibitors

C pre-pasteurization bacterial counts

D somatic cell 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 biocontainment

B biosafety

C biohazard

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 Vibrio cholerae

D Listeria monocytogenes

Question #25

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

A Coxiella burnetti

B E. coli

C Mycobacterium bovis

D Listeria

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

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 Giardia lamblia

B Trypanosoma cruzi

C entamoeba histolytica

D cryptosporidium parvum

Question #28

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

A contamination of wounds

B infantile

C ingestion of undercooked meat

D foodborne illness from home canning

Question #29

Which statement is FALSE concerning cat scratch disease?

A The primary clinical sign is high fever

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

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 Cryptococcus

B Helicobacter

C Bacillus anthracis

D Chlamydia psittaci

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