Question 1

What condition presents as a localized area of mildly painful erythema, warmth, and swelling of the skin with poorly demarcated margins?

Accepted Answer

A) Impetigo 
B) Carbuncles 
C) Furuncles 
D) Cellulitis 
A) Impetigo 
B) Carbuncles 
C) Furuncles 
D) Cellulitis D

Question 2

What is the most infamous type of myonecrosis?

Accepted Answer

A) Tetanus 
B) Flesh-eating Streptococcus 
C) Gas gangrene 
D) Ebola hemorrhage 
A) Tetanus 
B) Flesh-eating Streptococcus 
C) Gas gangrene 
D) Ebola hemorrhage C

Question 3

What is river blindness?

Accepted Answer

A) Infection with Naegleria fowleri 
B) Infection with Onchocerca volvulus 
C) Infection with Strongyloides stercoralis 
D) Infection with Entamoeba histolytica 
A) Infection with Naegleria fowleri 
B) Infection with Onchocerca volvulus 
C) Infection with Strongyloides stercoralis 
D) Infection with Entamoeba histolytica B

Question 4

What is the most common bacterium found on the skin?

Accepted Answer

A) Coagulase-negative staphylococci 
B) Coagulase-negative streptococci 
C) Escherichia coli 
D) Pseudomonas aeruginosa 
A) Coagulase-negative staphylococci 
B) Coagulase-negative streptococci 
C) Escherichia coli 
D) Pseudomonas aeruginosa

Question 5

What is herpetic whitlow?

Accepted Answer

A) Primary herpetic lesions of the genitals 
B) Primary herpetic lesions of the finger 
C) Primary herpetic lesions of the anus 
D) Primary herpetic lesions of the lip 
A) Primary herpetic lesions of the genitals 
B) Primary herpetic lesions of the finger 
C) Primary herpetic lesions of the anus 
D) Primary herpetic lesions of the lip

Question 6

What is a circumscribed, hyperkeratotic, rough-textured, painless papule called?

Accepted Answer

A) Skin tick 
B) Mole 
C) Freckle 
D) Wart 
A) Skin tick 
B) Mole 
C) Freckle 
D) Wart

Question 7

What organism causes the Buruli ulcer?

Accepted Answer

A) Streptococcus agalactiae 
B) Mycobacterium ulcerans 
C) Corynebacterium jejuni 
D) Mycobacterium leprae 
A) Streptococcus agalactiae 
B) Mycobacterium ulcerans 
C) Corynebacterium jejuni 
D) Mycobacterium leprae

Question 8

What causes scarlet fever?

Accepted Answer

A) S.aureus 
B) Endotoxin 
C) Proteases 
D) Erythrogenic toxin 
A) S.aureus 
B) Endotoxin 
C) Proteases 
D) Erythrogenic toxin

Question 9

What is swimmer's itch?

Accepted Answer

A) When cercariae larvae penetrate human skin, causing dermatitis 
B) When arthropods deposit larvae in human skin, causing dermatitis 
C) When food or water causes dermatitis 
D) When Pseudomonas spp.causes dermatitis 
A) When cercariae larvae penetrate human skin, causing dermatitis 
B) When arthropods deposit larvae in human skin, causing dermatitis 
C) When food or water causes dermatitis 
D) When Pseudomonas spp.causes dermatitis

Question 10

What condition causes the nail margin to become painful, red, warm, and swollen with pus?

Accepted Answer

A) Furuncle 
B) Carbuncle 
C) Erysipelas 
D) Paronychia 
A) Furuncle 
B) Carbuncle 
C) Erysipelas 
D) Paronychia

Question 11

The clinical syndrome of Rocky Mountain spotted fever (RMSF) can be confused with which of the following conditions?

Accepted Answer

A) Lyme disease 
B) Atypical measles 
C) Smallpox 
D) Allergic reactions 
A) Lyme disease 
B) Atypical measles 
C) Smallpox 
D) Allergic reactions

Question 12

What is a form of folliculitis in bearded men?

Accepted Answer

A) Sycosis barbae 
B) Furuncle 
C) Carbuncle 
D) Impetigo 
A) Sycosis barbae 
B) Furuncle 
C) Carbuncle 
D) Impetigo

Question 13

Which of the following organisms are responsible for impetigo?

Accepted Answer

A) Staphylococcus epidermidis 
B) Streptococcus pyogenes 
C) Enterococcus faecalis 
D) Streptococcus agalactiae 
A) Staphylococcus epidermidis 
B) Streptococcus pyogenes 
C) Enterococcus faecalis 
D) Streptococcus agalactiae

Question 14

What disease results from a reactivation of the varicella-zoster virus that demonstrates a vesicular eruption in a unilateral dermatomal distribution?

Accepted Answer

A) Shingles 
B) Chicken pox 
C) Infectious mononucleosis 
D) Rubella 
A) Shingles 
B) Chicken pox 
C) Infectious mononucleosis 
D) Rubella

Question 15

All of the following viruses cause a characteristic viral syndrome, which includes severe bleeding manifestations except:

Accepted Answer

A) Ebola. 
B) rabies. 
C) Junin. 
D) Marburg. 
A) Ebola. 
B) rabies. 
C) Junin. 
D) Marburg.

Question 16

What organism produces "rat bite fever?"

Accepted Answer

A) Streptobacillus moniliformis 
B) Staphylococcus aureus 
C) Borrelia burgdorferi 
D) Chlamydia trachomatis 
A) Streptobacillus moniliformis 
B) Staphylococcus aureus 
C) Borrelia burgdorferi 
D) Chlamydia trachomatis

Question 17

What is thrush?

Accepted Answer

A) Tinea unguium 
B) Tinea corporis 
C) Dermatophytosis 
D) Oral candidiasis 
A) Tinea unguium 
B) Tinea corporis 
C) Dermatophytosis 
D) Oral candidiasis

Question 18

What organism, which usually causes respiratory infections, causes maculopapular and vesicular rashes, urticaria, and immunologically mediated erythema nodosum and erythema multiform?

Accepted Answer

A) Streptococcus pneumoniae 
B) Klebsiella pneumoniae 
C) Mycoplasma pneumoniae 
D) Haemophilus influenzae 
A) Streptococcus pneumoniae 
B) Klebsiella pneumoniae 
C) Mycoplasma pneumoniae 
D) Haemophilus influenzae

Question 19

Purpura fulminans, a skin manifestation of DIC, is associated with which condition?

Accepted Answer

A) Hepatitis 
B) Meningococcemia 
C) Encephalitis 
D) Salmonella 
A) Hepatitis 
B) Meningococcemia 
C) Encephalitis 
D) Salmonella

Question 20

Besides antimicrobial therapy, how are most carbuncles treated?

Accepted Answer

A) Teabags to draw the poison out 
B) Moist heat, then cold compresses 
C) Surgical drainage 
D) Squeezing to express the pus and necrotic tissues 
A) Teabags to draw the poison out 
B) Moist heat, then cold compresses 
C) Surgical drainage 
D) Squeezing to express the pus and necrotic tissues

Exam 33: Skin and Soft Tissue Infections

What condition presents as a localized area of mildly painful erythema, warmth, and swelling of the skin with poorly demarcated margins?

What is the most infamous type of myonecrosis?

What is river blindness?

What is the most common bacterium found on the skin?

What is herpetic whitlow?

What is a circumscribed, hyperkeratotic, rough-textured, painless papule called?

What organism causes the Buruli ulcer?

What causes scarlet fever?

What is swimmer's itch?

What condition causes the nail margin to become painful, red, warm, and swollen with pus?

The clinical syndrome of Rocky Mountain spotted fever (RMSF) can be confused with which of the following conditions?

What is a form of folliculitis in bearded men?

Which of the following organisms are responsible for impetigo?

What disease results from a reactivation of the varicella-zoster virus that demonstrates a vesicular eruption in a unilateral dermatomal distribution?

All of the following viruses cause a characteristic viral syndrome, which includes severe bleeding manifestations except:

What organism produces "rat bite fever?"

What is thrush?

What organism, which usually causes respiratory infections, causes maculopapular and vesicular rashes, urticaria, and immunologically mediated erythema nodosum and erythema multiform?

Purpura fulminans, a skin manifestation of DIC, is associated with which condition?

Besides antimicrobial therapy, how are most carbuncles treated?

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

The Spirochetes

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

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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