Medical Parasitology Overview
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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 (C)</p> Signup and view all the answers

What is the host for Cysticercus cellulosae?

<p>Man and Pigs (D)</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 (A)</p> Signup and view all the answers

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

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

The word 'parasite' originates from which languages?

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

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

<p>Helminths (D)</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 (B)</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 (A)</p> Signup and view all the answers

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

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

What differentiates Amoeboids from the other protozoa groups?

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

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

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

What is the mode of infection for Giardia lamblia?

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

How is Giardiasis diagnosed?

<p>ELISA for antigen in stool (B)</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 (D)</p> Signup and view all the answers

Which protozoa group described in the text is not motile?

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

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

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

Which host serves as the definitive host for Echinococcus granulosus?

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

What is the mode of infection for Hymenolepis nana?

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

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

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

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

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

How are hydatid disease and infections primarily diagnosed?

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

What is the size of Ascaris eggs?

<p>60 x 40 µ (B)</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 (C)</p> Signup and view all the answers

What is the diagnostic stage for Ancylostoma duodenale?

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

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

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

Which parasite causes intestinal obstruction?

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

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

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

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