Types of Accumulations in Hepatocytes and Bile Capillaries
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Questions and Answers

Which pigment is commonly associated with the accumulation in stellate reticuloendotheliocytes of the liver?

  • Hemomelanin (correct)
  • Hemosiderin
  • Bilirubin
  • Lipofuscin

What type of pigment accumulation is typically observed in the red pulp of the spleen?

  • Bilirubin
  • Lipofuscin
  • Hemomelanin (correct)
  • Hemosiderin

Which pigment accumulation is common in stellate reticuloendotheliocytes and hepatocytes?

  • Bilirubin
  • Lipofuscin (correct)
  • Hemomelanin
  • Hemosiderin

In which organ is the accumulation of bilirubin commonly observed?

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

What pigment is linked to accumulation in the acini of the pancreas?

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

Which type of pigment accumulation is characteristic of red pulp involvement in the spleen?

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

Which of the following is a type of hypomelanosis?

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

What is the sequence of actions for hepatic jaundice?

<p>Damage to hepatocytes &gt; Impaired bilirubin uptake &gt; Conjugation with glucuronic acid &gt; Excretion (A)</p> Signup and view all the answers

Which stage comes first in the formation of lipofuscin?

<p>Propigment granules appear perinuclear (B)</p> Signup and view all the answers

What type of pigment is hemoglobinogenic?

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

Which type of jaundice is associated with mechanical issues?

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

Where is formalin pigment found and what is its origin?

<p>Found in tissues when fixed in formaldehyde, a derivative of hematin (C)</p> Signup and view all the answers

Which disorder is characterized by acquired focal depigmentation of the skin based on vegetative and endocrine disorders?

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

What is the widely distributed proteinogenic black pigment called?

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

What are the characteristic properties of hemosiderin?

<p>Color brown, found intracellularly, contains Fe, formed after 24-48 hours (C)</p> Signup and view all the answers

In which disease does acquired focal depigmentation of the skin occur after burn wounds and erythematous rashes?

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

What does the yellowish color of the central area of a bruise that has existed for about a week indicate?

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

Which disorder is characterized by the absence of pigment due to impaired melanin synthesis?

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

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