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Medical Parasitology Overview
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Medical Parasitology Overview

Created by
@MatchlessAsh

Questions and Answers

What is the mode of infection for Taenia solium?

  • Through airborne transmission
  • Ingestion of food or water contaminated with gravid proglottids or embryonated eggs (correct)
  • Ingestion of undercooked pork
  • Through skin contact with infected pigs

    • What is the characteristic of the gravid segments of Taenia solium?

  • It is broader than longer (correct)
  • It is longer than broader
  • It has a diameter of 35-40 μm
  • It has 20 lateral branches

    • What is the diagnostic technique used to diagnose Taenia solium infection in the brain?

  • Lab diagnosis of cysticercus cellulosae
  • Biopsy of the affected area
  • ELISA
  • MRI or CT scan (correct)

    • What is the characteristic of the eggs of Taenia saginata and Taenia solium?

    <p>They are indistinguishable from each other</p> Signup and view all the answers

    What is the host for Cysticercus cellulosae?

    <p>Man and Pigs</p> Signup and view all the answers

    What is the characteristic of Cysticercus cellulosae?

    <p>It has a cyst with invaginated scolex and suckers but with no hooks</p> Signup and view all the answers

    What term is used to describe parasites that live on the host's body?

    <p>Arthropods</p> Signup and view all the answers

    The word 'parasite' originates from which languages?

    <p>Latin and Greek</p> Signup and view all the answers

    Which of the following is NOT a medically significant group of metazoa parasites?

    <p>Helminths</p> Signup and view all the answers

    What is the meaning of 'parasite' in terms of its origin (etymology)?

    <p>The one who eats at another's table</p> Signup and view all the answers

    Which branch of medical sciences deals with parasites living temporarily or permanently within the human body?

    <p>Medical Parasitology</p> Signup and view all the answers

    Which group of parasites includes organisms that are characterized by jointed legs and special mouthparts?

    <p>Metazoa</p> Signup and view all the answers

    What differentiates Amoeboids from the other protozoa groups?

    <p>They crawl along surfaces using pseudopods</p> Signup and view all the answers

    Which type of protozoa is described as having one or more whip-like flagella?

    <p>Flagellates</p> Signup and view all the answers

    What is the mode of infection for Giardia lamblia?

    <p>Transmission from houseflies</p> Signup and view all the answers

    How is Giardiasis diagnosed?

    <p>ELISA for antigen in stool</p> Signup and view all the answers

    What is the hallmark feature of Trophozoite, the vegetative form of Intestinal Flagellates?

    <p>Rounded anteriorly and pointed posteriorly</p> Signup and view all the answers

    Which protozoa group described in the text is not motile?

    <p>Sporozoans</p> Signup and view all the answers

    What is the diagnostic stage for hydatid disease caused by Echinococcus granulosus?

    <p>Cyst</p> Signup and view all the answers

    Which host serves as the definitive host for Echinococcus granulosus?

    <p>Dogs</p> Signup and view all the answers

    What is the mode of infection for Hymenolepis nana?

    <p>Consumption of infected insects in grains</p> Signup and view all the answers

    Which type of echinococcosis results in the formation of cysts in the liver?

    <p>Hepatic echinococcosis</p> Signup and view all the answers

    What is the infective stage in the case of hydatid disease caused by Echinococcus granulosus?

    <p>Eggs</p> Signup and view all the answers

    How are hydatid disease and infections primarily diagnosed?

    <p>Stool examination for eggs/gravid proglottids</p> Signup and view all the answers

    What is the size of Ascaris eggs?

    <p>60 x 40 µ</p> Signup and view all the answers

    Which parasite causes ground itch leading to dermatitis with itchy papules that then turn into vesicles with oedema and erythema?

    <p>Trichuris trichiura</p> Signup and view all the answers

    What is the diagnostic stage for Ancylostoma duodenale?

    <p>Filariform larvae</p> Signup and view all the answers

    How long does it take for Trichuris trichiura eggs to become infective?

    <p>15-30 days</p> Signup and view all the answers

    Which parasite causes intestinal obstruction?

    <p>Ascaris lumbricoides</p> Signup and view all the answers

    Which parasite may be detected using sputum examination showing larvae on rare occasions?

    <p>Ascaris lumbricoides</p> Signup and view all the answers

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