Domanda del libro di testo
Which of the following is not used to identify true fungal pathogens?
a. Growth at 25°C and 37°C to show dimorphism
b. GMS staining of infected tissues
c. Serological testing
d. Clinical symptoms alone
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Ch. 22 - Pathogenic Fungi
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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TOC.tableOfContents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
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Capitolo 22, Problema 2
Of the following fungi, which is usually transmitted from person to person?
a. Blastomyces dermatitidis
b. Coccidioides immitis
c. Tricophyton rubrum
d. Aspergillus fumigatus
Guida verificata passo dopo passo1
Step 1: Understand the nature of each fungus listed in the options, focusing on their typical modes of transmission.
Step 2: Recognize that Blastomyces dermatitidis and Coccidioides immitis are primarily environmental fungi acquired from soil and do not usually spread from person to person.
Step 3: Note that Aspergillus fumigatus is a common environmental mold, often inhaled from the environment, and is not typically transmitted between people.
Step 4: Identify that Trichophyton rubrum is a dermatophyte fungus that infects skin, hair, and nails and is well-known for spreading through direct human contact or contaminated surfaces.
Step 5: Conclude that among the options, the fungus usually transmitted from person to person is Trichophyton rubrum.
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Modes of Fungal Transmission
Fungi can be transmitted through various routes including inhalation, environmental exposure, or direct contact. Understanding how each fungus spreads is essential to identify which are contagious between people, such as those transmitted via skin contact versus those acquired from environmental sources.
Video consigliato:
04:23
Transmission Electron Microscope (TEM)
Characteristics of Dermatophytes
Dermatophytes like Trichophyton rubrum infect keratinized tissues (skin, hair, nails) and are commonly spread through direct person-to-person contact or contaminated surfaces. This makes them typical examples of fungi transmitted between individuals.
Video consigliato:
05:09Intro to Characteristics of Infectious Disease
Environmental vs. Person-to-Person Fungal Pathogens
Fungi such as Blastomyces dermatitidis, Coccidioides immitis, and Aspergillus fumigatus are primarily acquired from environmental sources like soil or decaying matter, not through human contact. Recognizing this distinction helps differentiate contagious fungi from those that are not.
Video consigliato:
03:40Introduction to Pathogenic Toxins
Pratica correlata
Domanda del libro di testo
Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.
_____ On the whole, fungal infections are relatively easy to treat.
713
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Domanda del libro di testo
Discuss why it is difficult in many cases to determine the source of superficial fungal infections (i.e., from other humans, animals, or the environment).
1018
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Domanda del libro di testo
Given that superficial fungal infections are only on the surface, why is it necessary to even try to identify the source of infection?
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Domanda del libro di testo
Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.
_____ Dermatophytoses are always contracted from the environment.
710
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Domanda del libro di testo
Identify these fungal genera.
a.
b.
c.
1380
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