Pathophysiology - Midterm review (Modules 1 - 3) ACTUAL
EXAM WITH COMPLETR QUESTIONS AND CORRECT ANSWERS
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Tay Sachs Disease
Autosomal recessive lysosomal storage disease that affects the nervous
system.
Mutation in HEXA gene results in accumulation of gangliosides in neurons and
progressive neurodegeneration.
Down Syndrome
Trisomy 21; most common chromosomal disorder in humans and the most
common cause of intellectual disability.
Huntington's Disease
Autosomal dominant disease characterized by progressive
neurodegeneration, especially in areas regulation motor control.
Caused by CAG repeats in the HTT gene.
>36 repeats = disease
,Classic signs of inflammation
Swelling
Loss of
function Pain
Heat
Redness
Acute inflammation
Occurs rapidly in reaction to cell injury, rids the body of the offending
agent, enhances healing, and terminates after a short period, either hours or
a few days
Purulent exudate
Pus; fluid that is rich in protein and cellular debris
Abscess
A localized, walled-off collection of purulent exudate (pus)
Transudate
Fluid that is a watery filtrate of blood; contains little
protein Ex: fluid inside a blister
,Effusion
Accumulation of fluid in a body cavity
Leukocytes
White blood cells (WBCs); cell type involved in fighting infections
5 types of leukocytes (WBCs)
Monocyte, Neutrophil, Eosinophil, Basophil, Lymphocyte
Monocytes
Phagocytotic WBCs that can become macrophages
Macrophage
Phagocytotic WBCs that also act as antigen-
presenting cells Secrete TNF-alpha and ILs
Eosinophils
WBC
Granulocytes
Primarily fights parasitic infections
, Basophils
WBC
Granulocyte
Secrete histamine and heparin