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Introduction to parasitology with 100% correct answers 2024 $12.99
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Introduction to parasitology with 100% correct answers 2024
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What is parasitology Parasites found world wide Most infections are found in underdeveloped tropical and subtropical areas Ectoparasite Parasite that lives on outer surface of host Lice, mites, ticks Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 ...

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  • September 12, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
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  • introduction to parasitology

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Introduction to parasitology
with 100% correct answers
2024
What is parasitology - answer Parasites found world wide
Most infections are found in underdeveloped tropical and
subtropical areas


Ectoparasite - answer Parasite that lives on outer surface of host
Lice, mites, ticks


Endoparasite - answer Lives inside the body of the host
Entameoba histolytica


Obligate parasite - answer Completely dependent on host during a
segment or all of its life cycle


Facultative parasite - answer Exhibit both parasitic and non-
parasitic modes of living and hence does not absolutely depend on
parasitic way of life, but is capable of adapting to it if places in a
host


Accidental parasite - answer Attacks an unnatural host and survives


Definitive host - answer Harbors parasite in adult stage or where
parasite undergoes a sexual method of reproduction

, Intermediate host - answer Harbors the larval stages of parasite or
an asexual cycle of development takes place.
In some cases, larval development is completed in 2 different
intermediate hosts= first and second intermediates


Natural host - answer Naturally infected with certain species of
parasite


Reservoir host - answer Makes parasite available for transmission to
another host and is usually not affected by infection


Accidental host - answer Under normal circumstances not infected
with parasite


Parasite Pathogenesis - answer Exposure and entry
Adherence and replication
Cell and tissue damage
Interferences with host immune response


Exposure and entry - answer Transmission
Fecal-oral route (sexual)
Direct penetration of skin
Arthropods
Transplacental


Adherence and replication - answer Facilitated by adhesins on
parasite surface
Adhesins bind to specific receptors on host cell
(Glycophorin A and B, complement receptors, Fibronectin, biting
mouth parts, sucking disks, plastid organelles that penetrate host)

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