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NUR 280 ( LATEST 2024 / 2025 ) FINAL EXAM | GRADED A+ SOLVED 100% CORRECT $16.99   Add to cart

Exam (elaborations)

NUR 280 ( LATEST 2024 / 2025 ) FINAL EXAM | GRADED A+ SOLVED 100% CORRECT

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  • NUR 280 FI
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  • NUR 280 FI

NUR 280 ( LATEST 2024 / 2025 ) FINAL EXAM | GRADED A+ SOLVED 100% CORRECT

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  • October 21, 2024
  • 48
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 280 FI
  • NUR 280 FI
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NUR 280 FINAL EXAM

1. First line of defense (innate immunity)
Physical barriers

Answer

-skin
-linings of the gastrointenstinal, genitourinary, and respiratory tracts
-sloughly off of cells
-coughing and sneezing
-vomiting
-mucus and cilia
Epithelial cell-derived chemical barriers
-synthesized and secreted salivia, tears, sweats, and mucus


2. second line of defense

Answer

Inflammatory response— first immune response to injury



-caused by a variety of materials
*infection, mechanical damage, ischemia, nutrient deprivation, temperature extremes, radiation

3. Third line of defense

Answer

adaptive immunity

,4. adaptive immunity
Answer

the ability to recognize and remember specific antigens and mount an attack on them



E.i. A person who has recovered from measles is protected for life against measles


5. Primary intention healing
Answer

Occurs where the tissue surfaces have been approximated, and there is minimal or no tissueloss—
stitches after incision



6. Secondary intention healing
Answer

Wounds that require a great deal more tissue replacement —open wounds



7. innate immunity (natural immunity)
Answer

Immunity that is present before exposure and effective from birth. Responds to a broad range of
pathogens.



-e.i skin


8. Hypersensitivity
Answer

Altered immunologic response to an antigen that results in disease or damage to the most

,-characterized by the immune mechanism Four types

1. Type I- most common hypersensitivity
Answer

IgE mediated



2. Type II

Answer

tissue-specific reactions



3. Type III
Answer

immune complex mediated



4. Type IV

Answer

cell mediated



9. Type I

Answer

IgE mediated - allergy



Against environmental antigens (allergens) Ex peanuts, pollen, med-penicillin Histamine release
-H1 and H2 receptors

, -antihistamines Manifestations

Answer




-itching, urticaria, conjunctivitis, rhinitis, hypotension, bronchospasm, dysrhthmias, GI cramps
and malabsorption

10. Type II
Answer

IgG and IgM mediated— tissue specific



-specific cell or tissue (tissue specific antigens) is the target of an immune response Ex
hypothyroidism/Graves' disease

11. Type III
Answer

Immune complex mediated



-antigen-antibody complexes are formed in the circulation and are later deposited in vessel walls
or extra vascular tissues
-not organ specific
-induce a massive inflammatory response

Example

Answer

serum sickness—typically affects blood vessels, joints and kidneys



12. Type IV

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