Domanda del libro di testo
Beginning with the ingestion of water contaminated with V. cholerae O1 El Tor, describe the course of the disease it causes.
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Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios
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
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Non è quello che usi tu?Cambia libro di testo
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Bauman 6th EditionCh. 21 - Rickettsias, Chlamydias, Spirochetes, and VibriosProblema 8
Bauman 6th EditionCh. 21 - Rickettsias, Chlamydias, Spirochetes, and VibriosProblema 8Capitolo 21, Problema 8
Which of the following organisms is transmitted via sexual contact?
a. Treponema pallidum endemicum
b. Treponema pallidum pertenue
c. Treponema pallidum pallidum
d. Treponema carateum
Guida verificata passo dopo passo1
Step 1: Understand the genus Treponema, which includes several subspecies causing different diseases, often differentiated by their mode of transmission and clinical presentation.
Step 2: Identify the diseases caused by each subspecies: Treponema pallidum pallidum causes syphilis, Treponema pallidum endemicum causes endemic syphilis (bejel), Treponema pallidum pertenue causes yaws, and Treponema carateum causes pinta.
Step 3: Recall the primary mode of transmission for each disease: syphilis (caused by T. pallidum pallidum) is transmitted mainly through sexual contact, while the others are transmitted via non-sexual routes such as skin-to-skin contact in endemic areas.
Step 4: Match the organism to the mode of transmission asked in the question, focusing on sexual transmission.
Step 5: Conclude that the organism transmitted via sexual contact is Treponema pallidum pallidum.
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Treponema pallidum subspecies
Treponema pallidum is a bacterium with several subspecies causing different diseases. Each subspecies has distinct modes of transmission and clinical manifestations, such as pallidum causing syphilis, pertenue causing yaws, endemicum causing endemic syphilis, and carateum causing pinta.
Modes of Transmission of Treponemal Diseases
Treponemal infections vary in transmission routes; syphilis (T. pallidum pallidum) is primarily transmitted through sexual contact, while other subspecies like pertenue and endemicum spread via non-sexual close contact or skin-to-skin contact, often in endemic areas.
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Communicable vs. Noncommunicable Diseases
Clinical Significance of Syphilis
Syphilis, caused by Treponema pallidum pallidum, is a sexually transmitted infection with systemic effects if untreated. Understanding its transmission is crucial for diagnosis, prevention, and treatment, distinguishing it from other treponemal diseases with different epidemiology.
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Pratica correlata
Domanda del libro di testo
Which of the following is not true of cholera?
a. The causative agent lives naturally in marine water.
b. There is an effective vaccine for cholera.
c. Strain 01 El Tor has been responsible for several pandemics.
d. Rice-water stool is a symptom.
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Domanda del libro di testo
Treatment of chlamydial infections involves ____________.
a. Erythromycin cream
b. Doxycycline creams
c. Surgical correction of eyelid deformities
d. All of the above
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Domanda del libro di testo
Which of the following diseases would be least likely in rural areas of the United States?
a. Epidemic typhus
b. Rocky Mountain spotted fever
c. Murine typhus
d. Lymphogranuloma venereum
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Domanda del libro di testo
Two weeks after a backpacking trip in Tennessee, a hiker experienced flulike symptoms and noticed a red rash on his thigh. What is the likely cause of his illness?
a. Treponema pallidum pertenue
b. Borrelia burgdorferi
c. Borrelia recurrentis
d. Leptospira interrogans
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Domanda del libro di testo
During which stage of syphilis is penicillin ineffective?
a. Primary syphilis
b. Secondary syphilis
c. Tertiary syphilis
d. All of the above
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