Question 1

Factors that may play a role in pathogenicity of Leptospira include all the following except:

Accepted Answer

A) hemolysin. 
B) endotoxins. 
C) pancytopenia in host. 
D) decreased phagocytosis in host. 
A) hemolysin. 
B) endotoxins. 
C) pancytopenia in host. 
D) decreased phagocytosis in host.

Question 2

All of the following are symptoms of tertiary syphilis except:

Accepted Answer

A) gummas in the skin, bones, and liver. 
B) encephalitis. 
C) aortitis. 
D) aortic valve insufficiency. 
A) gummas in the skin, bones, and liver. 
B) encephalitis. 
C) aortitis. 
D) aortic valve insufficiency.

Question 3

How is congenital syphilis transmitted from the mother to her unborn child?

Accepted Answer

A) During birth from the birth canal 
B) During the microhemorrhages that occur as the placenta breaks away from the uterus 
C) Crossing the placenta 
D) None of the above 
A) During birth from the birth canal 
B) During the microhemorrhages that occur as the placenta breaks away from the uterus 
C) Crossing the placenta 
D) None of the above

Question 4

Acceptable specimens during the first week of leptospirosis include which the following?

Accepted Answer

A) Cerebrospinal fluid (CSF) 
B) Blood 
C) Urine 
D) Both a and b 
A) Cerebrospinal fluid (CSF) 
B) Blood 
C) Urine 
D) Both a and b

Question 5

What is an example of a nontreponemal test?

Accepted Answer

A) Rapid plasmin reagin (RPR) 
B) Fluorescent treponemal antibody, absorbed (FTA-ABS) 
C) Treponema pallidum particle agglutination (TPP
A)  
D) Microhemagglutination-Treponema pallidum (MHA-TP) 
A) Rapid plasmin reagin (RPR) 
B) Fluorescent treponemal antibody, absorbed (FTA-ABS) 
C) Treponema pallidum particle agglutination (TPP
A)  
D) Microhemagglutination-Treponema pallidum (MHA-TP)

Question 6

An animal attendant at the zoo became ill.Symptoms included fever, chills, headache, severe myalgia, and malaise.This person's urinalysis was abnormal with protein and blood present.A couple of weeks earlier, the attendant was handling the chimpanzees and one of the chimps urinated on him.What is the most likely cause of illness?

Accepted Answer

A) Borrelia 
B) Leptospira 
C) Treponema 
D) Helicobacter 
A) Borrelia 
B) Leptospira 
C) Treponema 
D) Helicobacter

Exam 23: The Spirochetes

Factors that may play a role in pathogenicity of Leptospira include all the following except:

All of the following are symptoms of tertiary syphilis except:

How is congenital syphilis transmitted from the mother to her unborn child?

Acceptable specimens during the first week of leptospirosis include which the following?

What is an example of a nontreponemal test?

Bacterial Cell Structure, Physiology, Metabolism, and Genetics

Host-Parasite 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

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

Chlamydia, Rickettsia and Similar Organisms

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Nontuberculous Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Agents of Bioterror and Forensic Microbiology

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

Filters