Medical Histology I Practice Questions And 100% Verified Answers.
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Course
HISTOLOGY
Institution
HISTOLOGY
What is the study of normal histology important for? - correct answer The understanding of the cellular/tissue structures associated with biochemical/physiological processes and identify disease processes and histopathologies.
What are the levels of...
What is the study of normal histology important for? - correct answer The
understanding of the cellular/tissue structures associated with biochemical/physiological processes and
identify disease processes and histopathologies.
What are the levels of organization of the body? - correct answer Atom.
Molecule. Organelle. Cell. Tissue. Organ. Organ system. Organism.
What is the general process of getting tissue from organ to slide? - correct answer
Tissue is removed, tissue is dissected into smaller pieces that are placed in cassettes, tissue is fixed and
embedded, cut into sections, mounted on slides, stained, and examined.
What are the 3 types of histological preparation? - correct answer 1. Whole
mounts (smeared tissue), 2.Sections (tissue fixed, embedded, sliced), 3. Smears (blood, bone marrow, or
fluid)
What does it mean to say that a tissue is fixed? - correct answer It is fixed in
time, no degradation.
What is the order in which tissue is processed via chemical fixation? - correct answer
1. Chemical fixation (formalin), 2. Dehydration (ethanol), 3. Clearing Xylene (removes all lipids/ non-
polar), 4.Infiltration (Paraffin), 5.Embedding (paraffin/hard chunk), 6.Sectioning (microtome),
7.mounting, 8. Removal of paraffin, 9. rehydration, 10. Staining, 11. Light microscopy
What is the order in which tissue is processed via freezing? - correct answer 1.
Freezing, 2. Embedding (cryoprotectant), 3.Sectioning (cryostat), 4. mounting, 5. rehydration, 6.staining,
7. Light microscopy
What tool is used to section a chemically treated and an embedded tissue? - correct answer
Microtome: a machine that has a razor inside it that will cut the tissue into 5-6nm pieces
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