Levels of Organization in Histology
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Questions and Answers

What does the term 'histology' mean?

  • Study of organs using radiology
  • Study of cells using biochemical methods
  • Study of tissues under a microscope (correct)
  • Study of gross anatomy

Why is studying the normal structure and function of tissues important?

  • To study tissues at the macroscopic level
  • To predict the onset of disease
  • To better understand the changes that occur during disease (correct)
  • To learn about cell theory

Who was the first person to observe cells?

  • Anton van Leeuwenhoek
  • Louis Pasteur
  • Robert Koch
  • Robert Hooke (correct)

What is the main purpose of studying histology?

<p>To correlate microscopic appearance with function in health and disease (B)</p> Signup and view all the answers

Which branch of science involves prerequisites like Histology, Anatomy, and Pathology?

<p>Pre-clinical Sciences (A)</p> Signup and view all the answers

How is histology different from gross anatomy?

<p>Histology involves studying cells under a microscope, while gross anatomy studies organs without magnification (B)</p> Signup and view all the answers

What is the purpose of a biopsy?

<p>To examine tissue taken from a living body (A)</p> Signup and view all the answers

Which of the following is a basic sample preparation technique prior to histological analysis?

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

In which level of organization would one study the microscopic details of tissues of different organs/organ systems?

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

What does autopsy involve?

<p>Examination of post-mortem tissue (A)</p> Signup and view all the answers

Which technique involves dehydrating, clearing, and infiltrating tissue samples?

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

What type of examination is necropsy associated with?

<p>Examination of tissue taken from a dead animal (C)</p> Signup and view all the answers

What is the purpose of a bone marrow biopsy?

<p>To detect ALK positive cells (C)</p> Signup and view all the answers

In the context of cancer gene testing, which technique is specifically mentioned for detecting ALK positive cells?

<p>Fluorescence in situ Hybridization (FISH) (B)</p> Signup and view all the answers

In breast cancer gene testing, what is the specific gene mentioned for testing?

<p>HER2 (C)</p> Signup and view all the answers

What does an IHC Score 0 indicate in the context of staining intensity?

<p>No staining (A)</p> Signup and view all the answers

In CML, what translocation is characteristic of the disease?

<p>Translocation t(9;22) (D)</p> Signup and view all the answers

What is the purpose of a blood smear or peripheral blood film in laboratory work?

<p>To expose the morphology of peripheral blood cells (A)</p> Signup and view all the answers

Robert Hooke was the first person to discover tissues.

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

Histology is the study of the microscopic anatomy of organs.

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

Understanding the normal structure and function of tissues is not important in interpreting disease changes.

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

Autopsy is commonly performed to study the microscopic details of tissues.

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

Correlating microscopic appearance with function is not relevant in health and disease.

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

The cell theory was proposed by Rudolf Virchow.

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

Autopsy involves examining post-mortem tissue.

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

Biopsy is an examination of tissue taken from a living body.

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

Necropsy is associated with the examination of tissue from dead animals.

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

Histological examination of tissues starts with necropsy in the case of animal tissues.

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

Studying histology involves the microscopic study of the 4 basic tissues.

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

Systemic Histology involves the microscopic study of the tissues of different organs and organ systems.

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

A bone marrow biopsy allows evaluation of the marrow's overall cellularity and detection of focal lesions only.

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

Peripheral blood film exposes the morphology of peripheral blood cells, making it essential for diagnosing primary blood diseases only.

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

ALK gene testing for lung cancer can be detected using Fluorescence in situ Hybridization (FISH) only.

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

An IHC Score of 3 indicates no staining in the context of staining intensity.

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

Necropsy involves the examination of tissues under a microscope to study their microscopic details.

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

The study of histology plays a fundamental role in understanding the correlation between microscopic appearance and function of tissues.

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

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