Exam (elaborations)
XAVIER ABSN NURS 350 EXAM 2 PREP
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XAVIER ABSN NURS 350 EXAM 2 PREP...
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XAVIER ABSN NURS 350 EXAM 2 PREPHypersensitivity - ANSWER 1. Altered immune response to an antigen that
results in harm to the patient
2. Mild symptoms: runny nose, itchy eyes
3. Life-threatening - can cause blood hemolysis or laryngospasm
Anaphylaxis Triggers: - ANSWER 1. Hormones - insulin, vasopressin
2. Enzymes: Trypsin, penicillinase
3. Pollen
4. Food
5. Vitamins
6. Insect venom
7. Occupational agents - rubber, latex
8. Abx
9. Local anesthetics
When are the nurses priorities when assessing a patient? - ANSWER ABC.
Airway
Breathing
Ciruclation
Treatment for Anaphylaxis - ANSWER 1. Severe - IV epinephrine
, 2. Mild - IM or SQ Epinephrine
Type I Hypersensitivity - ANSWER 1. Allergen binds w/ IgE
2. ^ complex binds w/ mast cells and basophils
Examples: allergic asthma, allergic rhinitis, hives
Type II Hypersensitivity - Cytotoxic hypersensitivity - ANSWER 1. IgG or
IgM antibodies form against normal cells or foreign cells or tissues
Example: Hemolytic blood transfusion
Type III Hypersensitivity - Immune Complex-mediated hypersensitivity -
ANSWER 1. IgG or IgM antibody-antigen complex deposits in vessel walls
and tissues
Examples:
1. Systemic response = serum sickness
2. Local response = SLE
Type IV Hypersensitivity - Delayed hypersensitivity - ANSWER 1. Cell-
mediated
2. Delayed
Example: Contact dermatitis
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