Allergies FINAL (study last)

Question 1

Also called atopic allergy, hay fever, most common type

1st exposure –> T lymphocytes tell B lymphocytes to create IgE specific to allergen –> Mast cells (tissue) basophils (blood stream) have IgE receptors with lots of IgE attached —> allergen binds to IgE –> causes degranulation (allergic cascade)

Answer 1

Patho of allergies

Question 2

Allergies Type I

Answer 2

Hay fever, allergic asthma, anaphylaxis, angioedema

Question 3

What causes allergies?

Answer 3

Excessive production of immunoglobulin E (IgE) antibody class

Question 4

Allergens are contracted by

Answer 4

inhalation, ingestion, or injection

Question 5

Symptoms of allergies

Answer 5

Sneezing, runny nose, & red, watery, itchy eyes

Can be seasonal

Question 6

Are allergies genetic?

Answer 6

yes

Question 7

Allergy labs

Answer 7

ABGs

Question 8

Allergy diagnostics

Answer 8

Skin prick test (SPT), Intradermal skin test, Blood tests, Physician supervised challenge tests, Patch tests

Question 9

Allergy Meds

Answer 9

• Supportive therapy – no nasal washing!
• Complementary and alternative therapy - vitamin C, zinc
• Steroids - Used for anti-inflammatory effect and act to decrease edema in the bronchial airways and decrease mucus secretion.
• leukotriene inhibitors – Montelukast (Singulair)
• Antihistamines – Diphenhydramine (Benadryl)
• Eye decongestants
• Decongestants – Avoid use of nasal decongestant sprays regularly because they can cause a rebound effect.
• Bronchodilators
• Anti-inflammatories
• Antipyretics
• Mast cell stabilizers

Question 10

Allergy procedures

Answer 10

Immunotherapy- Allergy Shots: Subcutaneous injection of low amount of allergens, then gradual increased amount.

Question 11

Allergy complications

Answer 11

Angioedema & Anaphylaxis can be fatal - Potential for airway obstruction as a result of mucosal swelling & anxiety as a result of cerebral hypoxia and threat of death.

Uticaria (hives)

Question 12

Ace inhibitors can cause

Answer 12

Angioedema