Diphyllobothrium latum Life Cycle and Symptoms
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Questions and Answers

What clinical symptoms are associated with verminous pneumonia caused by migrating larvae?

  • Fever and cough (correct)
  • Headaches and nausea
  • Increased appetite and fatigue
  • Joint pain and rash

Which of the following is NOT a characteristic of verminous pneumonia?

  • Changing X-ray shadows
  • Eosinophilia
  • Dyspnea
  • Severe abdominal pain (correct)

What is the typical type of pneumonia caused by a large number of migrating larvae?

  • Lobular pneumonia
  • Aspiration pneumonia
  • Atypical pneumonia
  • Verminous pneumonia (correct)

Eosinophilia is often observed in cases of verminous pneumonia. What does eosinophilia indicate?

<p>Allergic reactions or parasitic infections (D)</p> Signup and view all the answers

In addition to fever and cough, which symptom is specifically noted in the clinical manifestation of verminous pneumonia?

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

What stages are included in the life cycle after mating?

<p>Egg, larva, and adult (C)</p> Signup and view all the answers

Where does the entire life cycle take place after mating?

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

What is the first stage of development that follows mating?

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

Which of the following stages occurs last in the life cycle mentioned?

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

What can be inferred about the habitat requirements for this organism's development?

<p>Dependent on soil conditions (C)</p> Signup and view all the answers

What condition may result from obstructions leading to fluid accumulation in the legs and genitalia?

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

Which specific area is particularly affected by edema due to obstruction?

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

What is choluria, as stated in the context?

<p>Presence of lymph in urine (B)</p> Signup and view all the answers

What complication may develop in the kidneys due to lymphatic rupture?

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

What can be a consequence of obstruction leading to prolonged fluid accumulation?

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

What symptoms are commonly associated with gastroenteritis?

<p>Eosinophilia and abdominal pain (B)</p> Signup and view all the answers

How can acute gastroenteritis infection be mistaken in diagnosis?

<p>It resembles appendicitis (A)</p> Signup and view all the answers

Which condition can chronic gastroenteritis resemble?

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

Which of the following findings might suggest gastroenteritis?

<p>Occult blood in the stool (A)</p> Signup and view all the answers

Which laboratory finding is associated with gastroenteritis?

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

How does the scolex of D.latum attach to the intestinal wall?

<p>Through elongated sucking grooves (D)</p> Signup and view all the answers

Which of the following features distinguishes D.latum from other cestodes?

<p>Two elongated sucking grooves (D)</p> Signup and view all the answers

What is the term used to describe the elongated sucking grooves found in D.latum?

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

Which characteristic is NOT found in the scolex of D.latum?

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

In what way does D.latum’s scolex differ from that of typical cestodes?

<p>It has elongated sucking grooves instead of suckers (B)</p> Signup and view all the answers

Study Notes

Diphyllobothrium latum Larvae Migration

  • Large numbers of migrating larvae cause verminous pneumonia.
  • Symptoms include fever, cough, difficulty breathing, wheezing, changing X-ray shadows and increased eosinophils in the blood.
  • The entire life cycle of egg, larva, and adult can occur in the soil.

Diphyllobothrium latum Adult Worm

  • Obstruction caused by the adult worm leads to edema and fibrosis in the legs and genitalia, especially the scrotum.
  • Lymph can be found in the urine due to lymphatic rupture in the kidneys.
  • Common symptoms include gastroenteritis, abdominal pain, increased eosinophils in the blood, and occult blood in the stool.
  • Acute infection can resemble appendicitis, and chronic infection can resemble gastrointestinal cancer.

Diphyllobothrium latum Scolex

  • Unlike other cestodes with suckers, the scolex of D. latum has two elongated grooves for attachment to the intestinal wall.

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Description

Explore the life cycle, migration, and clinical symptoms of Diphyllobothrium latum, a parasitic infection. This quiz covers key aspects including the larvae migration, adult worm complications, and distinct features of the scolex. Test your knowledge on this fascinating and complex organism.

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