Textbook Question
The following helminths can directly penetrate the skin of humans to establish infection:, ____________ , _____________ , and ________________ (give genera only).
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Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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Table of contents
- 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: 9780134832302Not the one you use?Change textbook
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Bauman 6th EditionCh. 23 - Parasitic Protozoa, Helminths, and Arthropod VectorsProblem 8
Bauman 6th EditionCh. 23 - Parasitic Protozoa, Helminths, and Arthropod VectorsProblem 8Chapter 23, Problem 8
Tapeworms are generally transmitted via ______.
a. consumption of an intermediate host
b. consumption of the definitive host
c. vectors such as mosquitoes
d. consumption of adult tapeworms
Verified step by step guidance1
Understand the life cycle of tapeworms: Tapeworms typically have complex life cycles involving intermediate and definitive hosts.
Identify the role of the intermediate host: The intermediate host harbors the larval or immature stages of the tapeworm, which are infectious to the definitive host.
Recognize how transmission occurs: Humans (definitive hosts) usually become infected by consuming the intermediate host that contains the larval tapeworms.
Eliminate incorrect options: Transmission is not through vectors like mosquitoes, nor by consuming the definitive host or adult tapeworms directly.
Conclude that the correct mode of transmission is via consumption of an intermediate host, which carries the infectious larval stage of the tapeworm.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Life Cycle of Tapeworms
Tapeworms have complex life cycles involving intermediate and definitive hosts. The intermediate host harbors the larval stage, while the definitive host carries the adult tapeworm. Understanding this cycle is essential to know how transmission occurs.
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Transmission Routes of Parasites
Parasites can be transmitted through various routes such as ingestion of contaminated food, vectors, or direct contact. For tapeworms, transmission typically occurs by consuming the intermediate host containing larval cysts, not by vectors or eating adult worms.
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Role of Intermediate and Definitive Hosts
The intermediate host supports the immature or larval stages of a parasite, while the definitive host supports the adult, reproductive stage. Tapeworms require ingestion of the intermediate host to infect the definitive host, which is crucial for completing their life cycle.
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Related Practice
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Hookworm disease is caused by ____________ in the Middle East.
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Textbook Question
Mark each statement as true or false. Rewrite the false statements to make them true by changing the underlined word(s).
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Mark each statement as true or false. Rewrite the false statements to make them true by changing the underlined word(s).
__________ Fasciola hepatica can be acquired by eating infected sheep.
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Mark each statement as true or false. Rewrite the false statements to make them true by changing the underlined word(s).
__________ Humans can become intermediate hosts for Taenia saginata.
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Textbook Question
A trematode that can be acquired by eating raw or undercooked vegetables is _____________ .
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