Microscopic Diagnosis of Amebiasis

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the standard method for diagnosing Amebiasis?

  • Stool culture using Robinson’s and Inoki medium
  • Computed tomography (CT scan)
  • Ultrasound
  • Detection of antibodies using ELISA (correct)

Which method is used to differentiate Entamoeba spp from white blood cells?

  • Saline and Methylene Blue (correct)
  • Stool culture using Robinson’s and Inoki medium
  • PCR
  • Ultrasound

What is more sensitive than Direct Fecal Smear (DFS) for diagnosing Amebiasis?

  • Ultrasound
  • Computed tomography (CT scan)
  • ELISA with PCR (correct)
  • Stool culture using Robinson’s and Inoki medium

Which method is not mentioned as a key diagnostic tool for Amebic Liver Abscess (ALA)?

<p>Computerized tomography (CT scan) (B)</p> Signup and view all the answers

Which method is specifically used to observe the nucleus and karyosome to differentiate E.histolytica from other species?

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

Which of the following methods is NOT mentioned for early detection of ALA?

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

Which stage of Acanthamoeba exhibits a characteristic single large nucleus with a centrally-located, densely staining nucleolus?

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

What is the typical mode of transmission of Acanthamoeba into the body?

<p>Entry through the nasal passages to the lower respiratory tract (C)</p> Signup and view all the answers

Which clinical manifestation is associated with Acanthamoeba Keratitis?

<p>Severe ocular pain and blurring of vision (C)</p> Signup and view all the answers

What is a possible complication of Acanthamoeba Keratitis?

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

How is the diagnosis of GAE (Granulomatous Amebic Encephalitis) typically confirmed?

<p>Postmortem demonstration of trophozoites or cysts in tissues using histopathologic stains and microscopy (D)</p> Signup and view all the answers

Why is the diagnosis of GAE frequently missed?

<p>Rarity of the disease and unfamiliarity of most physicians with the pathogen (D)</p> Signup and view all the answers

How do trophozoites of Naegleria fowleri infect humans or animals?

<p>By migrating to the brain via olfactory nerves (B)</p> Signup and view all the answers

Which of the following is a preventive measure against Naegleria fowleri infection in endemic areas?

<p>Avoiding immersion of the head and accidental inhalation of water (A)</p> Signup and view all the answers

How can Naegleria fowleri be effectively killed in swimming water?

<p>Chlorination of water at 1 ppm or higher (D)</p> Signup and view all the answers

What is the mode of replication of Naegleria fowleri trophozoites?

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

Where are flagellated forms of Naegleria fowleri occasionally found?

<p>Cerebrospinal fluid (CSF) (B)</p> Signup and view all the answers

Which laboratory diagnostic method is typically used to detect Naegleria fowleri in patients?

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

Flashcards are hidden until you start studying

More Like This

Tratamiento de la Amebiasis
3 questions

Tratamiento de la Amebiasis

EnjoyablePerception3047 avatar
EnjoyablePerception3047
Amebiasis Symptoms and Complications
18 questions
Treatment of Amebiasis
10 questions

Treatment of Amebiasis

HighSpiritedDarmstadtium avatar
HighSpiritedDarmstadtium
Amebiasis y Tratamientos
43 questions
Use Quizgecko on...
Browser
Browser