Question 1

Which antifungal drug inhibits cell division of the fungus?

Accepted Answer

A) ketoconazole (Nizoral) 
B) fluconazole 
C) terbinafine (Lamisil) 
D) amphotericin B 
E) griseofulvin 
A) ketoconazole (Nizoral) 
B) fluconazole 
C) terbinafine (Lamisil) 
D) amphotericin B 
E) griseofulvin E

Question 2

Which is incorrect about Sporothrix schenckii?

Accepted Answer

A) It is dimorphic. 
B) It lives in the soil. 
C) It is often transmitted by soil-contaminated thorns. 
D) It causes a superficial cutaneous infection. 
E) It causes nodules along regional lymphatic channels. 
A) It is dimorphic. 
B) It lives in the soil. 
C) It is often transmitted by soil-contaminated thorns. 
D) It causes a superficial cutaneous infection. 
E) It causes nodules along regional lymphatic channels. D

Question 3

Blastomycosis begins as a respiratory infection that can spread to the skin.

Accepted Answer

A) True 
 B)False  True

Question 4

The routes of entry for most fungi into the body are

Accepted Answer

A) urinary and reproductive. 
B) digestive and respiratory. 
C) blood and wounds. 
D) respiratory and cutaneous. 
A) urinary and reproductive. 
B) digestive and respiratory. 
C) blood and wounds. 
D) respiratory and cutaneous.

Question 5

Dermatophytes digest the protein _____, found in the skin, hair, and nails.

Accepted Answer

The answer of Dermatophytes digest the protein _____, found in...

Question 6

Thermal dimorphism is associated with opportunistic fungi and never seen in true fungal pathogens.

Accepted Answer

A) True 
 B)False

Question 7

The primary portal of entry for fungal infections is

Accepted Answer

A) the urinary tract. 
B) through skin. 
C) the respiratory tract. 
D) the nervous system. 
E) the digestive system. 
A) the urinary tract. 
B) through skin. 
C) the respiratory tract. 
D) the nervous system. 
E) the digestive system.

Question 8

Cryptococcus neoformans has the following characteristics, except

Accepted Answer

A) it is commonly found in the human mouth, intestines, and genitalia. 
B) it is an encapsulated yeast. 
C) it can be found in high numbers in soil containing pigeon droppings. 
D) it usually enters body by inhalation. 
E) it primarily infects patients with AIDS, cancer, and diabetes. 
A) it is commonly found in the human mouth, intestines, and genitalia. 
B) it is an encapsulated yeast. 
C) it can be found in high numbers in soil containing pigeon droppings. 
D) it usually enters body by inhalation. 
E) it primarily infects patients with AIDS, cancer, and diabetes.

Question 9

Compare and contrast Histoplasmosis, Coccidioidomycosis, and Blastomycosis with regard to: a) causative agent, b) reservoir, c) transmission, and d) disease, including complications.

Accepted Answer

Histoplasmosis, Coccidioidomycosis, and

Question 10

Which of the following is/are true of cryptococcal meningitis?

Accepted Answer

A) It is most often caused by Cryptococcus gattii. 
B) The pathogen usually enters the body via the respiratory route. 
C) It is usually a mild form of meningitis that is self-limiting. 
D) It is most often seen in patients with AIDS. 
E) The pathogen can be detected in CSF specimens by negative staining. 
A) It is most often caused by Cryptococcus gattii. 
B) The pathogen usually enters the body via the respiratory route. 
C) It is usually a mild form of meningitis that is self-limiting. 
D) It is most often seen in patients with AIDS. 
E) The pathogen can be detected in CSF specimens by negative staining.

Question 11

Discuss at least 5 factors that predispose certain individuals to opportunistic fungal infections.

Accepted Answer

1. Immunocompromised state: Individuals

Question 12

Fungal spores are common allergens that cause hypersensitivities.

Accepted Answer

A) True 
 B)False

Question 13

All of the following are dimorphic, true fungal pathogens except

Accepted Answer

A) Candida. 
B) Histoplasma. 
C) Blastomyces. 
D) Coccidioides. 
E) Paracoccidioides. 
A) Candida. 
B) Histoplasma. 
C) Blastomyces. 
D) Coccidioides. 
E) Paracoccidioides.

Question 14

The nodular, tumor-like fungal growths seen in certain chronic lung infections are called _____.

Accepted Answer

The answer of The nodular, tumor-like fungal growths seen in...

Question 15

Chromoblastomycosis

Accepted Answer

A) is caused by saprobes with dark-pigmented mycelia and spores. 
B) is caused by dimorphic fungi. 
C) is a systemic infection. 
D) is a serious respiratory tract infection. 
E) has a peak incidence in Alaska. 
A) is caused by saprobes with dark-pigmented mycelia and spores. 
B) is caused by dimorphic fungi. 
C) is a systemic infection. 
D) is a serious respiratory tract infection. 
E) has a peak incidence in Alaska.

Question 16

Pneumocystis jirovecii

Accepted Answer

A) has protozoan and fungal characteristics. 
B) lacks ergosterol in its plasma membrane. 
C) is an obligate parasite. 
D) causes serious infection in elderly, premature infants, and AIDS patients. 
E) All of these choices are correct. 
A) has protozoan and fungal characteristics. 
B) lacks ergosterol in its plasma membrane. 
C) is an obligate parasite. 
D) causes serious infection in elderly, premature infants, and AIDS patients. 
E) All of these choices are correct.

Question 17

Blastomyces dermatitidis

Accepted Answer

A) causes Gilchrist's disease and Chicago's disease. 
B) is transmitted by skin contact with fomites. 
C) is a dermatophyte. 
D) usually enters through the gastrointestinal tract 
E) All of these choices are correct. 
A) causes Gilchrist's disease and Chicago's disease. 
B) is transmitted by skin contact with fomites. 
C) is a dermatophyte. 
D) usually enters through the gastrointestinal tract 
E) All of these choices are correct.

Question 18

Candidiasis includes

Accepted Answer

A) intertriginous infection of skin sites. 
B) vulvovaginal infection. 
C) oral cavity and esophageal infections. 
D) skin and nail infections. 
E) All of these choices are correct. 
A) intertriginous infection of skin sites. 
B) vulvovaginal infection. 
C) oral cavity and esophageal infections. 
D) skin and nail infections. 
E) All of these choices are correct.

Question 19

Aspergillosis includes all the following, except

Accepted Answer

A) there are no effective drugs to treat the infection. 
B) noninvasive infections of the eyelids, sinuses, conjunctiva, and ear canals. 
C) a pneumonia that disseminates to the brain. 
D) most cases are due to A.fumigatus. 
E) life-threatening infections in AIDS, leukemia, and transplant patients. 
A) there are no effective drugs to treat the infection. 
B) noninvasive infections of the eyelids, sinuses, conjunctiva, and ear canals. 
C) a pneumonia that disseminates to the brain. 
D) most cases are due to A.fumigatus. 
E) life-threatening infections in AIDS, leukemia, and transplant patients.

Question 20

During a visit to her doctor, a woman pointed out a red rash that occurred just under her breasts.The doctor collected a scraping of the affected area, suspended the scrapings in potassium hydroxide, and then examined it microscopically.Upon viewing, she detected budding yeast cells and pseudohyphae.What is the most likely diagnosis?

Accepted Answer

A) yeast infection - candidiasis 
B) dermatophyte infection 
C) subcutaneous mycosis 
D) yeast infection - cryptococcosis 
A) yeast infection - candidiasis 
B) dermatophyte infection 
C) subcutaneous mycosis 
D) yeast infection - cryptococcosis

Exam 22: The Fungi of Medical Importance

Which antifungal drug inhibits cell division of the fungus?

Which is incorrect about Sporothrix schenckii?

Blastomycosis begins as a respiratory infection that can spread to the skin.

The routes of entry for most fungi into the body are

Dermatophytes digest the protein _____, found in the skin, hair, and nails.

Thermal dimorphism is associated with opportunistic fungi and never seen in true fungal pathogens.

The primary portal of entry for fungal infections is

Cryptococcus neoformans has the following characteristics, except

Compare and contrast Histoplasmosis, Coccidioidomycosis, and Blastomycosis with regard to: a) causative agent, b) reservoir, c) transmission, and d) disease, including complications.

Which of the following is/are true of cryptococcal meningitis?

Discuss at least 5 factors that predispose certain individuals to opportunistic fungal infections.

Fungal spores are common allergens that cause hypersensitivities.

All of the following are dimorphic, true fungal pathogens except

The nodular, tumor-like fungal growths seen in certain chronic lung infections are called _____.

Chromoblastomycosis

Pneumocystis jirovecii

Blastomyces dermatitidis

Candidiasis includes

Aspergillosis includes all the following, except

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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