Question 1

Adding salt and sugar can control the growth of certain bacteria but not fungi.

Accepted Answer

A) True 
 B)False

Question 2

Which is incorrect about chromoblastomycosis?

Accepted Answer

A) It is characterized by highly visible verrucous lesions. 
B) Treatment is with pentamidine. 
C) Its etiological agent are soil saprobes with dark-pigmented mycelia and spores. 
D) Sclerotic cells are produced. 
E) It is frequently confused with yaws, cancer, and syphilis. 
A) It is characterized by highly visible verrucous lesions. 
B) Treatment is with pentamidine. 
C) Its etiological agent are soil saprobes with dark-pigmented mycelia and spores. 
D) Sclerotic cells are produced. 
E) It is frequently confused with yaws, cancer, and syphilis.

Question 3

Tough, warty verrucous lesions are seen in patients with tinea versicolor.

Accepted Answer

A) True 
 B)False

Question 4

Dermatophytoses are

Accepted Answer

A) fungal infections of the skin, hair, and nails. 
B) also called ringworm. 
C) also called tineas. 
D) often time-consuming to eradicate completely. 
E) All of these choices are correct. 
A) fungal infections of the skin, hair, and nails. 
B) also called ringworm. 
C) also called tineas. 
D) often time-consuming to eradicate completely. 
E) All of these choices are correct.

Question 5

The ability of a fungus to grow as a yeast or a mold depending on its environmental temperature is called

Accepted Answer

A) fungal virulence. 
B) parasitism. 
C) dimorphism. 
D) dermatophytes. 
E) opportunistic fungi. 
A) fungal virulence. 
B) parasitism. 
C) dimorphism. 
D) dermatophytes. 
E) opportunistic fungi.

Question 6

Transmission of tineas include

Accepted Answer

A) human to human. 
B) animal to human. 
C) soil to human. 
D) fomites to human. 
E) All of these choices are correct. 
A) human to human. 
B) animal to human. 
C) soil to human. 
D) fomites to human. 
E) All of these choices are correct.

Question 7

Oral thrush is caused by

Accepted Answer

A) Cryptococcus neoformans. 
B) Candida albicans. 
C) Malassezia furfur. 
D) Pneumocystis (carinii) jiroveci. 
A) Cryptococcus neoformans. 
B) Candida albicans. 
C) Malassezia furfur. 
D) Pneumocystis (carinii) jiroveci.

Question 8

_____ are superficial mycoses that cause white masses or dark masses to develop on the hair shaft.

Accepted Answer

The answer of _____ are superficial mycoses that cause white...

Question 9

This opportunist is the most frequent cause of life-threatening pneumonia in AIDS patients.

Accepted Answer

A) Cryptococcus neoformans 
B) Candida albicans 
C) Malassezia furfur 
D) Pneumocystis jirovecii. 
A) Cryptococcus neoformans 
B) Candida albicans 
C) Malassezia furfur 
D) Pneumocystis jirovecii.

Question 10

Amphotericin B, nystatin, and the imidazoles are all

Accepted Answer

A) mycotoxins. 
B) fungal enzymes. 
C) antifungal drugs. 
D) culture media supplements for fungi. 
A) mycotoxins. 
B) fungal enzymes. 
C) antifungal drugs. 
D) culture media supplements for fungi.

Question 11

All fungi are heterotrophic and can break their substrates down by secreting enzymes.

Accepted Answer

A) True 
 B)False

Question 12

Explain why Pneumocystis jirovecii has been difficult to classify, and why traditional antifungal drugs are not effective against this microbe.

Accepted Answer

Pneumocystis jirovecii has been difficul

Question 13

Patient's with madura foot develop swollen, ulcerative, tumor-like skin lesions called mycetomas.

Accepted Answer

A) True 
 B)False

Question 14

Which is incorrect about histoplasmosis?

Accepted Answer

A) The pathogen grows inside macrophages. 
B) It is transmitted by inhalation of spores. 
C) Respiratory infections range from mild to severe. 
D) Chronic cases have symptoms similar to tuberculosis. 
E) Histoplasmosis never spreads to sites outside the respiratory tract. 
A) The pathogen grows inside macrophages. 
B) It is transmitted by inhalation of spores. 
C) Respiratory infections range from mild to severe. 
D) Chronic cases have symptoms similar to tuberculosis. 
E) Histoplasmosis never spreads to sites outside the respiratory tract.

Question 15

All of the following pertain to Candida albicans, except

Accepted Answer

A) it is an opportunistic yeast. 
B) small numbers found in the mouth, intestines, genitalia, and skin. 
C) it has a large capsule. 
D) infections often arise from an endogenous source. 
E) persistent moist skin influences infection. 
A) it is an opportunistic yeast. 
B) small numbers found in the mouth, intestines, genitalia, and skin. 
C) it has a large capsule. 
D) infections often arise from an endogenous source. 
E) persistent moist skin influences infection.

Question 16

Sabouraud's dextrose agar is a lab medium for supporting growth of fungi.

Accepted Answer

A) True 
 B)False

Question 17

Alternative names for Blastomyces dermatitidis include

Accepted Answer

A) Gilchrist's disease. 
B) valley fever. 
C) rose Gardener's disease. 
D) teapicker's lung. 
E) farmer's lung. 
A) Gilchrist's disease. 
B) valley fever. 
C) rose Gardener's disease. 
D) teapicker's lung. 
E) farmer's lung.

Question 18

All of the following are fungal allergies, except

Accepted Answer

A) bark stripper's disease. 
B) farmer's lung. 
C) teapicker's lung. 
D) thrush. 
E) All of these choices are correct. 
A) bark stripper's disease. 
B) farmer's lung. 
C) teapicker's lung. 
D) thrush. 
E) All of these choices are correct.

Question 19

All of the following pertain to coccidioidomycosis, except

Accepted Answer

A) the pathogen grows best in soil with bird and bat guano. 
B) fungomas occur in the lungs of those infected. 
C) it is transmitted by inhalation of arthrospores. 
D) it often has symptoms of fever, chest pain, cough, headache, malaise. 
E) it is also called valley fever. 
A) the pathogen grows best in soil with bird and bat guano. 
B) fungomas occur in the lungs of those infected. 
C) it is transmitted by inhalation of arthrospores. 
D) it often has symptoms of fever, chest pain, cough, headache, malaise. 
E) it is also called valley fever.

Question 20

Decaying vegetation, such as piles of leaves and compost matter, allows growth and transmission of

Accepted Answer

A) Cryptococcus. 
B) Aspergillus. 
C) Candida. 
D) Dermatophytes. 
E) Pneumocystis. 
A) Cryptococcus. 
B) Aspergillus. 
C) Candida. 
D) Dermatophytes. 
E) Pneumocystis.

Exam 22: The Fungi of Medical Importance

Adding salt and sugar can control the growth of certain bacteria but not fungi.

Which is incorrect about chromoblastomycosis?

Tough, warty verrucous lesions are seen in patients with tinea versicolor.

Dermatophytoses are

The ability of a fungus to grow as a yeast or a mold depending on its environmental temperature is called

Transmission of tineas include

Oral thrush is caused by

_____ are superficial mycoses that cause white masses or dark masses to develop on the hair shaft.

This opportunist is the most frequent cause of life-threatening pneumonia in AIDS patients.

Amphotericin B, nystatin, and the imidazoles are all

All fungi are heterotrophic and can break their substrates down by secreting enzymes.

Explain why Pneumocystis jirovecii has been difficult to classify, and why traditional antifungal drugs are not effective against this microbe.

Patient's with madura foot develop swollen, ulcerative, tumor-like skin lesions called mycetomas.

Which is incorrect about histoplasmosis?

All of the following pertain to Candida albicans, except

Sabouraud's dextrose agar is a lab medium for supporting growth of fungi.

Alternative names for Blastomyces dermatitidis include

All of the following are fungal allergies, except

All of the following pertain to coccidioidomycosis, except

Decaying vegetation, such as piles of leaves and compost matter, allows growth and transmission of

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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