Textbook Question
Hookworm disease is caused by ____________ in the Middle East.
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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 9
Bauman 6th EditionCh. 23 - Parasitic Protozoa, Helminths, and Arthropod VectorsProblem 9Chapter 23, Problem 9
Cryptosporidium cannot be killed by routine boiling. Another parasite resistant to such boiling is __________.
a. Giardia
b. Trypanosoma
c. Toxoplasma
d. Plasmodium
Verified step by step guidance1
Step 1: Understand the context of the problem, which involves identifying a parasite resistant to routine boiling, similar to Cryptosporidium.
Step 2: Recall that Cryptosporidium is a protozoan parasite known for its hardy oocysts that can survive routine boiling, making it difficult to eliminate by simple heat treatment.
Step 3: Review the characteristics of the listed parasites: Giardia, Trypanosoma, Toxoplasma, and Plasmodium, focusing on their resistance to environmental stresses such as heat.
Step 4: Recognize that Giardia, like Cryptosporidium, forms cysts that are resistant to routine boiling, whereas Trypanosoma, Toxoplasma, and Plasmodium do not have such resistant forms that survive boiling.
Step 5: Conclude that the parasite resistant to routine boiling, similar to Cryptosporidium, is Giardia.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Heat Resistance of Parasite Oocysts
Some parasites produce oocysts or cysts that are highly resistant to environmental stresses, including heat. For example, Cryptosporidium oocysts can survive routine boiling temperatures, making them difficult to eliminate through standard water treatment methods.
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Life Cycles and Transmission of Waterborne Parasites
Parasites like Cryptosporidium and Giardia have life stages (oocysts or cysts) that are transmitted via contaminated water. Understanding their life cycles helps explain why certain parasites persist in water supplies and resist common disinfection methods.
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Differences Among Parasite Genera
Parasites such as Giardia, Trypanosoma, Toxoplasma, and Plasmodium differ in their biology and transmission. Giardia, like Cryptosporidium, forms cysts resistant to boiling, while Trypanosoma and Plasmodium are blood parasites, and Toxoplasma forms tissue cysts less resistant to heat.
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Related Practice
Textbook Question
Mark each statement as true or false. Rewrite the false statements to make them true by changing the underlined word(s).
__________ Wuchereria bancrofti is a filarial nematode that infects the lymphatic system.
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Textbook Question
The immature fluke stages that infect snail intermediate hosts are called __________.
a. metacercariae
b. cercariae
c. cysticerci
d. miracidia
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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).
__________ The number of cases of schistosomiasis has increased worldwide because of improved technology and economic stability in endemic areas.
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Textbook Question
Both of the following parasites demonstrate nocturnal movement, which is important during diagnosis: __________ and _____________ .
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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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