Question 1

What is the specimen of choice for cutaneous anthrax?

Accepted Answer

A)  Blood 
B)  Spinal fluid 
C)  Vesicular fluid from lesions 
D)  Sputum 
A)  Blood 
B)  Spinal fluid 
C)  Vesicular fluid from lesions 
D)  Sputum C

Question 2

What type of anthrax is most deadly and most likely to be seen in a bioterrorism attack?

Accepted Answer

A)  Gastrointestinal 
B)  Inhalation 
C)  Cutaneous 
D)  Spinal 
A)  Gastrointestinal 
B)  Inhalation 
C)  Cutaneous 
D)  Spinal B

Question 3

What organism causes Q fever?

Accepted Answer

A)  Coxiella burnetii 
B)  Brucella abortus 
C)  Yersinia pestis 
D)  Burkholderia cepacia 
A)  Coxiella burnetii 
B)  Brucella abortus 
C)  Yersinia pestis 
D)  Burkholderia cepacia A

Question 4

What is the role of the sentinel laboratory?

Accepted Answer

A)  To rule out or refer suspicious isolates 
B)  To identify suspicious isolates 
C)  To act as a reference laboratory for physician office laboratories 
D)  None of the above 
A)  To rule out or refer suspicious isolates 
B)  To identify suspicious isolates 
C)  To act as a reference laboratory for physician office laboratories 
D)  None of the above

Question 5

A microbiologist is looking at the blood culture plates taken from a woman who had ingested fresh,unpasteurized milk.The growth on the blood agar and chocolate agar showed small,circular,smooth,convex,nonpigmented,and nonhemolytic colonies.Gram stain revealed tiny gram-negative rods.The organism was catalase,oxidase,nitrate reduction,and urease positive,but showed a lack of motility.What is the most probable organism?

Accepted Answer

A)  Francisella tularensis 
B)  Brucella abortus 
C)  Yersinia pestis 
D)  Burkholderia cepacia 
A)  Francisella tularensis 
B)  Brucella abortus 
C)  Yersinia pestis 
D)  Burkholderia cepacia

Question 6

A microbiology technician is looking at a set of plates from a seriously ill patient.The sheep blood agar (SBA)plate shows small,nonhemolytic colonies that have a fried egg appearance.On MacConkey,these organisms grow as a small,nonlactose fermenter.On Gram stain,this organism is a bipolar staining,plump gram-negative rod.What is the most probable organism?

Accepted Answer

A)  Brucella mallei 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia 
A)  Brucella mallei 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia

Question 7

What is ricin?

Accepted Answer

A)  A potent biological toxin that disrupts native DNA strands 
B)  A potent biological toxin that stops cell wall synthesis 
C)  A potential biological toxin that inhibits protein synthesis 
D)  All of the above 
A)  A potent biological toxin that disrupts native DNA strands 
B)  A potent biological toxin that stops cell wall synthesis 
C)  A potential biological toxin that inhibits protein synthesis 
D)  All of the above

Question 8

A microbiologist is looking at a sheep blood agar (SBA)plate from a patient who might have been exposed to a biological agent.The colonies that are growing on the plate are nonhemolytic,large,have a ground-glass appearance,and look like a Medusa's head.On Gram stain,the colonies are large gram-positive rods that seem to have central spores.What is the most probable organism?

Accepted Answer

A)  Bacillus anthracis 
B)  Brucella mallei 
C)  Burkholderia cepacia 
D)  Yersinia pestis 
A)  Bacillus anthracis 
B)  Brucella mallei 
C)  Burkholderia cepacia 
D)  Yersinia pestis

Question 9

Organisms that have the following characteristics-aerobic growth,nonhemolytic colonies 2 to 5 mm in diameter,catalase positive,nonmotile,large gram-positive bacilli recovered from lesions,blood,cerebrospinal fluid (CSF)or lymph nodes-can be presumptively identified as:

Accepted Answer

A)  Brucella mallei 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia 
A)  Brucella mallei 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia

Question 10

Yersinia pestis causes all the following EXCEPT:

Accepted Answer

A)  Bubonic plague 
B)  Septicemic plague 
C)  Pneumonic plague 
D)  Meningococcal plague 
A)  Bubonic plague 
B)  Septicemic plague 
C)  Pneumonic plague 
D)  Meningococcal plague

Question 11

All the following organizations established the Laboratory Response Network EXCEPT:

Accepted Answer

A)  United States Army Medical Research Institute for Infectious Diseases (USAMRII
D)  
B)  Centers for Disease Control and Prevention (CD
C)  
C)  Central Intelligence Agency (CI
A)  
D)  Federal Bureau of Investigation (FBI) 
A)  United States Army Medical Research Institute for Infectious Diseases (USAMRII
D)  
B)  Centers for Disease Control and Prevention (CD
C)  
C)  Central Intelligence Agency (CI
A)  
D)  Federal Bureau of Investigation (FBI)

Question 12

All of the following are synonyms for brucellosis EXCEPT:

Accepted Answer

A)  Malta fever 
B)  Undulant fever 
C)  Gibraltar fever 
D)  Relapsing fever 
A)  Malta fever 
B)  Undulant fever 
C)  Gibraltar fever 
D)  Relapsing fever

Question 13

What organism caused the disease known as the Black Death?

Accepted Answer

A)  Brucella mallei 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia 
A)  Brucella mallei 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia

Question 14

What disease is associated with rabbits?

Accepted Answer

A)  Francisella tularensis 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia 
A)  Francisella tularensis 
B)  Brucella anthracis 
C)  Yersinia pestis 
D)  Burkholderia cepacia

Question 15

What is characteristic of smallpox?

Accepted Answer

A)  The pustules penetrate deeply into the tissue. 
B)  Infections also occur on the palms and the soles of the feet. 
C)  The synchronous progression of the lesions. 
D)  All of the above. 
A)  The pustules penetrate deeply into the tissue. 
B)  Infections also occur on the palms and the soles of the feet. 
C)  The synchronous progression of the lesions. 
D)  All of the above.

Question 16

What classification system was developed in 1999 by academic infectious disease experts,government officials,military intelligence experts,and law enforcement officials?

Accepted Answer

A)  Biosafety levels 
B)  High, moderate, and low categories 
C)  A, B, C categories 
D)  Normal, increased, and high categories 
A)  Biosafety levels 
B)  High, moderate, and low categories 
C)  A, B, C categories 
D)  Normal, increased, and high categories

Question 17

Botulism toxin is:

Accepted Answer

A)  A neurotoxin primarily produced by Clostridium botulinum 
B)  A mucosal toxin primarily produced by C. botulinum 
C)  An enterotoxin primarily produced by C. botulinum 
D)  An endotoxin primarily produced by C. botulinum 
A)  A neurotoxin primarily produced by Clostridium botulinum 
B)  A mucosal toxin primarily produced by C. botulinum 
C)  An enterotoxin primarily produced by C. botulinum 
D)  An endotoxin primarily produced by C. botulinum

Question 18

Viral hemorrhagic fevers include all the following EXCEPT:

Accepted Answer

A)  Ebola 
B)  Crimean-Congo 
C)  Lassa fever 
D)  Black fever 
A)  Ebola 
B)  Crimean-Congo 
C)  Lassa fever 
D)  Black fever

Question 19

How is smallpox diagnosed?

Accepted Answer

A)  Through a Centers for Disease Control and Prevention (CD
C)  algorithm 
B)  By clinical signs 
C)  Through cell culture 
D)  All of the above 
A)  Through a Centers for Disease Control and Prevention (CD
C)  algorithm 
B)  By clinical signs 
C)  Through cell culture 
D)  All of the above

Question 20

When should a microbiology technician consider Francisella tularensis?

Accepted Answer

A)  Tiny, gram-negative coccobacilli that do not grow well on chocolate or MacConkey's and are biochemically inert 
B)  Tiny, gram-negative coccus that grows well on blood agar 
C)  Tiny, pleomorphic, poor-staining, gram-negative coccobacilli that do not grow well, if at all on blood agar 
D)  None of the above 
A)  Tiny, gram-negative coccobacilli that do not grow well on chocolate or MacConkey's and are biochemically inert 
B)  Tiny, gram-negative coccus that grows well on blood agar 
C)  Tiny, pleomorphic, poor-staining, gram-negative coccobacilli that do not grow well, if at all on blood agar 
D)  None of the above

Exam 30: Agents of Bioterror

What is the specimen of choice for cutaneous anthrax?

What type of anthrax is most deadly and most likely to be seen in a bioterrorism attack?

What organism causes Q fever?

What is the role of the sentinel laboratory?

What is ricin?

Organisms that have the following characteristics-aerobic growth,nonhemolytic colonies 2 to 5 mm in diameter,catalase positive,nonmotile,large gram-positive bacilli recovered from lesions,blood,cerebrospinal fluid (CSF)or lymph nodes-can be presumptively identified as:

Yersinia pestis causes all the following EXCEPT:

All the following organizations established the Laboratory Response Network EXCEPT:

All of the following are synonyms for brucellosis EXCEPT:

What organism caused the disease known as the Black Death?

What disease is associated with rabbits?

What is characteristic of smallpox?

What classification system was developed in 1999 by academic infectious disease experts,government officials,military intelligence experts,and law enforcement officials?

Botulism toxin is:

Viral hemorrhagic fevers include all the following EXCEPT:

How is smallpox diagnosed?

When should a microbiology technician consider Francisella tularensis?

Bacterial Cell Structure, physiology, Metabolism, and Genetics

Host-Parasite Interaction

Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Infected Materials

Use of Colonial Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Immunodiagnosis of Infectious Diseases

Applications of Molecular Diagnostics

Antibiotic Mechanisms of Action and Resistance

Antimicrobial Susceptibility Testing

Staphylococci

Streptococcus, enterococcus, and Other Catalase-Negative Gram-Positive Cocci

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio,aeromonas,plesiomonas and Campylobacter Species

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

Spirochetes

Chlamydia and Rickettsia

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Other Nontuberculosis Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Biofilms: Architects of Disease

Upper and Lower Respiratory Tract Infections

Skin and Soft Tissue Infections

Gastrointestinal Infections and Food Poisoning

Infections of the Central Nervous System

Bacteremia and Sepsis

Urinary Tract Infections

Genital Infections and Sexually Transmitted Diseases

Infections in Special Populations

Zoonotic Diseases

Ocular Infections

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