Question 1

Rabbits are a reservoir for which of the following?

Accepted Answer

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

Question 2

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. D

Question 3

What organism causes glanders?

Accepted Answer

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

Question 4

Who will be most likely to suspect a covert bioterrorism attack?

Accepted Answer

A)  Firefighters and the police 
B)  Microbiologists and physicians 
C)  The public health department 
D)  Centers for Disease Control and Prevention (CD
C)  and Homeland Security 
A)  Firefighters and the police 
B)  Microbiologists and physicians 
C)  The public health department 
D)  Centers for Disease Control and Prevention (CD
C)  and Homeland Security

Question 5

A microbiologist examines culture plates with large nonpigmented gray colonies at 24 hours that are indole-negative, nonmotile, catalase-positive, and resistant to polymyxin B disks. The Gram stain shows this is a gram-negative coccobacillus. What is the most probable organism?

Accepted Answer

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

Question 6

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 7

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

Accepted Answer

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

Question 8

Organisms that have the following characteristics-aerobic growth, nonhemolytic colonies 2 to 5 $\mu$m 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)  Bacillus anthracis. 
C)  Yersinia pestis. 
D)  Burkholderia cepacia. 
A)  Brucella mallei. 
B)  Bacillus anthracis. 
C)  Yersinia pestis. 
D)  Burkholderia cepacia.

Question 9

Viral hemorrhagic fevers include all the following, except

Accepted Answer

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

Question 10

Which of these are designated as sentinel hospitals in the LRN?

Accepted Answer

A)  CDC 
B)  Reference laboratories 
C)  State public health laboratories 
D)  Community hospitals with microbiology laboratories 
A)  CDC 
B)  Reference laboratories 
C)  State public health laboratories 
D)  Community hospitals with microbiology laboratories

Question 11

All the following organizations established the Laboratory Response Network (LRN), except

Accepted Answer

A)  United States Army Medical Research Institute for Infectious Diseases (USAMRII
D) . 
B)  CDC. 
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)  CDC. 
C)  Central Intelligence Agency (CI
A) . 
D)  Federal Bureau of Investigation (FBI).

Question 12

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 13

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 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 14

What type of plague is the most common and results from the bite of a flea?

Accepted Answer

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

Question 15

A microbiologist is examining plates of a lymph node biopsy from a seriously ill patient. The SBA plate shows small, nonhemolytic colonies that have a fried egg appearance. On MacConkey agar, these organisms grow as a small, nonlactose fermenter. On Gram stain, this organism exhibits bipolar staining and plump gram-negative rods. What is the most probable identification?

Accepted Answer

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

Question 16

What is the most common presentation for tularemia?

Accepted Answer

A)  Pneumonic tularemia 
B)  Ulceroglandular tularemia 
C)  Bubonic tularemia 
D)  Septicemic tularemia 
A)  Pneumonic tularemia 
B)  Ulceroglandular tularemia 
C)  Bubonic tularemia 
D)  Septicemic tularemia

Question 17

What federal regulation establishes the rules of possession, use, and transfer of select agents and toxins?

Accepted Answer

A)  Public Health Security and Bioterrorism Preparedness and Response Act of 2002 
B)  Federal Select Agent Program 
C)  Animal Health and Inspection Act 
D)  Infectious Agent Act 
A)  Public Health Security and Bioterrorism Preparedness and Response Act of 2002 
B)  Federal Select Agent Program 
C)  Animal Health and Inspection Act 
D)  Infectious Agent Act

Question 18

Which of the following describes 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

Question 19

What is the specimen of choice for GI and inhalation anthrax?

Accepted Answer

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

Question 20

One of the first recorded terror attacks occurred in 1984 in a restaurant in The Dalles, Oregon. What organism was used in this attack?

Accepted Answer

A)  Salmonella 
B)  Escherichia coli 
C)  Clostridium 
D)  Staphylococcus 
A)  Salmonella 
B)  Escherichia coli 
C)  Clostridium 
D)  Staphylococcus

Exam 30: Agents of Bioterror and Forensic Microbiology

Rabbits are a reservoir for which of the following?

Yersinia pestis causes all the following, except

What organism causes glanders?

Who will be most likely to suspect a covert bioterrorism attack?

A microbiologist examines culture plates with large nonpigmented gray colonies at 24 hours that are indole-negative, nonmotile, catalase-positive, and resistant to polymyxin B disks. The Gram stain shows this is a gram-negative coccobacillus. What is the most probable organism?

What is characteristic of smallpox?

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

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

Viral hemorrhagic fevers include all the following, except

Which of these are designated as sentinel hospitals in the LRN?

All the following organizations established the Laboratory Response Network (LRN), except

What is the role of the sentinel laboratory?

What type of plague is the most common and results from the bite of a flea?

What is the most common presentation for tularemia?

What federal regulation establishes the rules of possession, use, and transfer of select agents and toxins?

Which of the following describes Francisella tularensis?

What is the specimen of choice for GI and inhalation anthrax?

One of the first recorded terror attacks occurred in 1984 in a restaurant in The Dalles, Oregon. What organism was used in this attack?

Bacterial Cell Structure, Physiology, Metabolism, and Genetics

Hostparasite Interaction

The Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Materials From Infected Sites

Use of Colony Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Immunodiagnosis of Infectious Diseases

Applications of Molecular Diagnostics

Antimicrobial Agent Mechanisms of Action and Resistance Mechanisms

Antimicrobial Susceptibility Testing

Staphylococci

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

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus, Hacek, Legionella, and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio, Aeromonas, and Campylobacter Species

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

The Spirochetes

Chlamydia, Rickettsia, and Similar Organisms

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Nontuberculous 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 Infections

Infections in Special Populations

Zoonotic Diseases

Ocular Infections

Filters

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