Introduction to Parasitology Terms and Concepts

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Questions and Answers

What is the term used to describe the relationship of two organisms living together?

  • Mutualism
  • Symbiosis (correct)
  • Parasitism
  • Commensalism

Which type of symbiotic relationship benefits both host and organism?

  • Symbiosis
  • Commensalism
  • Mutualism (correct)
  • Parasitism

What is the specific name for the nomenclature that always begins with a small letter?

  • Kingdom name
  • Family names
  • Specific name (correct)
  • Generic names

According to the International Code of Zoological Nomenclature, how are family names formed?

<p>By adding -idea (D)</p> Signup and view all the answers

What is the medical significance of Medical Parasitology?

<p>To study parasites of human and their medical importance (B)</p> Signup and view all the answers

Which organism benefits but has no beneficial nor harmful effect to the host in a symbiotic relationship?

<p>Commensalism (C)</p> Signup and view all the answers

In what kind of symbiotic relationship does one species benefit at the expense of the other?

<p>Parasitism (D)</p> Signup and view all the answers

What does the host do in a parasitic relationship?

<p>Supports the parasite and may later develop a disease (C)</p> Signup and view all the answers

What does 'symbiont' refer to in parasitology?

<p>'Symbiont' refers to any living organism that takes nourishment from another species (B)</p> Signup and view all the answers

'Medical Parasitology' is concerned with what aspect of parasites?

<p>'Medical Parasitology' is concerned with parasites of human and their medical significance (C)</p> Signup and view all the answers

Which taxonomic classification is provided for the genus Leishmania?

<p>Order Kinetoplastida (B)</p> Signup and view all the answers

What is the locomotory apparatus used by most organisms in the subphylum Mastigophora?

<p>Flagella (B)</p> Signup and view all the answers

Which phylum is characterized by organisms possessing a complete digestive tract with a muscular pharynx and being separate sexes?

<p>Nematoda (B)</p> Signup and view all the answers

How do tapeworms enter the human body?

<p>Ingestion of embryonated egg (B)</p> Signup and view all the answers

Which subkingdom is characterized by organisms that are multicellular and macroscopic?

<p>Metazoa (A)</p> Signup and view all the answers

What is the main locomotory apparatus used by organisms in the subphylum Sarcodina?

<p>Pseudopodia (C)</p> Signup and view all the answers

Which phylum includes organisms with a cilia apical complex at the anterior end for penetration and invasion of target cells?

<p>Apicomplexa (D)</p> Signup and view all the answers

Which phylum includes roundworms that have separate sexes and may be transmitted through ingestion of infective larvae from fish?

<p>Nematoda (D)</p> Signup and view all the answers

How do organisms in the phylum Cestodes enter the human body?

<p>Skin penetration (C)</p> Signup and view all the answers

In parasitology, what is the term used to describe the relationship of two organisms living together?

<p>Symbiosis (B)</p> Signup and view all the answers

What is the specific name for nomenclature that always begins with a small letter?

<p>Species (B)</p> Signup and view all the answers

Which aspect of parasites is concerned with Medical Parasitology?

<p>Their medical significance in human communities (B)</p> Signup and view all the answers

What does the International Code of Zoological Nomenclature state about family names?

<p>They are formed by adding -idae (C)</p> Signup and view all the answers

In which type of symbiotic relationship do one species benefit at the expense of the other?

<p>Parasitism (B)</p> Signup and view all the answers

What are organisms in the phylum Cestodes known for with regard to entering the human body?

<p>Through ingestion of infective larvae from fish (A)</p> Signup and view all the answers

In parasitology, what is the term used to describe an organism that takes nourishment and other needs through contact with another species?

<p>Parasite (B)</p> Signup and view all the answers

Which type of symbiotic relationship benefits both host and organism?

<p>Mutualism (A)</p> Signup and view all the answers

What does 'symbiont' refer to in parasitology?

<p>Organism living together (A)</p> Signup and view all the answers

In the International Code of Zoological Nomenclature, how are generic names represented?

<p>Generic names consist of a single word written in initial capital letter (A)</p> Signup and view all the answers

Which subphylum is characterized by organisms possessing pseudopodia for locomotion?

<p>Sarcodina (A)</p> Signup and view all the answers

In the phylum Nematoda, which group is based on the habitat of adult worms?

<p>LN/LV – Wuchereria, Brugia (D)</p> Signup and view all the answers

Which phylum includes roundworms that have separate sexes and may be transmitted through ingestion of infective larvae from fish?

<p>Nematoda (D)</p> Signup and view all the answers

What is the main portal of entry for organisms in the phylum Cestodes?

<p>Ingestion of infective larvae (B)</p> Signup and view all the answers

Which phylum is characterized by organisms possessing an apical complex at the anterior end for penetration and invasion of target cells?

<p>Apicomplexa (C)</p> Signup and view all the answers

Which subkingdom is characterized by organisms that are multicellular and macroscopic?

<p>Metazoa (B)</p> Signup and view all the answers

In the taxonomic classification, what family does the genus Leishmania belong to?

<p>Trypanosomatidae (D)</p> Signup and view all the answers

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Study Notes

Symbiotic Relationships

  • Term for relationship of two organisms living together: Symbiosis
  • Type of symbiotic relationship that benefits both: Mutualism
  • Organism that benefits without harming or helping the host: Commensalism
  • Type of symbiotic relationship where one benefits at the other's expense: Parasitism

Nomenclature in Zoology

  • Specific name for nomenclature beginning with a small letter: Subspecies
  • Formation of family names according to the International Code of Zoological Nomenclature: Derived from the name of a genus (usually, the genitive case of the genus name)
  • Representation of generic names in nomenclature: Always begins with a capital letter

Medical Parasitology

  • Medical significance: Focuses on parasites that affect human health
  • Term for organisms that take nourishment and needs through contact with another species: Parasite

Taxonomy and Classification

  • Taxonomic classification for the genus Leishmania: Belongs to the family Trypanosomatidae
  • Subphylum characterized by organisms using pseudopodia for locomotion: Sarcodina
  • Phylum characterized by organisms with a complete digestive tract and separate sexes: Nematoda
  • Phylum with organisms having an apical complex for penetration: Apicomplexa
  • Phylum known for roundworms transmitted via ingestion of infective larvae from fish: Nematoda
  • Family to which Leishmania belongs: Trypanosomatidae

Locomotion and Entry Portals

  • Main locomotory apparatus for Mastigophora: Flagella
  • Main locomotory apparatus for Sarcodina: Pseudopodia
  • How tapeworms (Cestodes) enter the human body: Usually through the ingestion of undercooked infected meat
  • Main portal of entry for organisms in the phylum Cestodes: The gastrointestinal tract
  • Cestodes' characteristics regarding human entry: Often unable to reproduce within human hosts but can live inside

Additional Details

  • Symbiont in parasitology: Refers to an organism living in symbiosis with another, may be beneficial, neutral, or harmful.
  • Concern of Medical Parasitology: Understanding the life cycle, pathology, and control of medically significant parasites.

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