Which type of hypersensitivity involves the interaction of soluble antigens with IgE and mast cell degranulation?

Type II hypersensitivity is mediated by which antibody made against cell surface proteins that were modified, with new epitopes?

Type III hypersensitivity involves IgG against immune complexes. What system and process are involved in the tissue response?

Type IV hypersensitivity involves which cells against foreign objects and modified proteins?

What is another name for Type I Hypersensitivity?

Which immunoglobulin is primarily involved in the first contact sensitization in Type I Hypersensitivity?

In Type I Hypersensitivity, cross-linking of IgE with FcεRI leads to mast cell degranulation with the release of ________.

The receptors involved in Type I Hypersensitivity are found on which of the following cells?

Complement activation occurs in Type I Hypersensitivity.

Which type of T cells are involved in Type I Hypersensitivity?

Name any two cytokines involved in Type I Hypersensitivity.

List the immunoglobulin classes associated with Type I Hypersensitivity.

What has led to a decrease in parasites in high populated countries?

What does a population with parasites have a balance between?

Impact of Hygiene: Parasite free population has lost balance. People are developing allergies. True or False: Parasite-free populations are developing allergies due to lost balance.

What is a major health issue observed in parasite-free populations according to the diagram?

Which immunoglobulin is anti-inflammatory and can bind 2 antigens?

Does IgG4 facilitate complement or phagocytosis?

The Fc region of IgG4 binds to an inhibitory FcγRIIB receptor, resulting in net inhibition of a cell. Can it also bind to IgE and prevent release of histamine?

Fill in the blank: The receptor for IgE has two ______ alpha domains and is anchored to the membrane by a transmembrane alpha domain.

Mast cells are full of granules with enzymes, which do contain _____?

Which enzyme is associated with mucosal mast cells?

Which enzyme is found in connective tissue mast cells?

Mast cells display an increase diversity of _____ antibodies that have different antigen specification.

Irreversible binding to FcεRI occurs in which cells?

Omalizumab binds to Fc of IgE and prevents binding to receptor. This prevents the release of _____

Fill in the blank: Histamine is found in ______ and basophils.

Fill in the blank: Histamine causes vasodilation and ______ muscle contraction.

Fill in the blank: Histamine is involved in hay fever, urticaria, angioedema, and ______.

Fill in the blank: Prostaglandins cause capillary dilation and ______ muscle contraction.

Fill in the blank: Thromboxanes aggregate ______.

Fill in the blank: Prostaglandins and thromboxanes are formed from ______ acid.

Fill in the blank: Leukotrienes are not preformed and are formed during ______.

Fill in the blank: Leukotrienes are formed from arachidonic acid via the ______ pathway.

Fill in the blank: Leukotrienes cause vasodilation and ______ muscle contraction.

Fill in the blank: Eosinophil Chemotactic Factor of Anaphylaxis is a ______ in mast cells.

Fill in the blank: Eosinophil Chemotactic Factor is released in anaphylaxis and attracts ______.

Fill in the blank: Eosinophils release histaminase and arylsulfatase to degrade ______ and leukotrienes.

Fill in the blank: Eosinophil peroxidase kills parasites by _______ and induces histamine release from mast cells.

Fill in the blank: Eosinophil collagenase _______ connective tissue matrix.

Fill in the blank: Major basic protein kills parasites and induces _______ release from mast cells.

Fill in the blank: Eosinophil cationic protein is a _______ that kills parasites.

Fill in the blank: Eosinophil-derived neurotoxin has an antiviral effect by degrading _______.

Fill in the blank: IL-3, IL-5, GM-CSF amplify eosinophil production in _______ and activate eosinophils.

Fill in the blank: CXCL8 promotes influx of _______.

Fill in the blank: Leukotrienes C4, D4, and E4, prostaglandins induce smooth muscle contraction, vascular permeability, and _______ secretion.

Fill in the blank: Platelet-activating factor attracts and activates neutrophils and platelets and increases synthesis of _______ mediators.

Which statement is true about the color coding in the table of eosinophil mediators?

Most allergens are ______ since TH2 cells only react to proteins.

Which of the following is the first step in the activation of allergens?

Fill in the blank: During the first exposure, IL4 binds to B cells, plasma cells produce ______.

Which cell type is activated by TH2 cells to secrete IL4?

Allergens taken up by APCs are transported to the lymph node.

What happens during the second exposure to antigen?

Fill in the blank: TH2 cells are follicular helper T cells that promote the production of type ______ immunity.

Which feature of inhaled allergens allows allergens to diffuse from particles to mucosa?

What is the emergency condition caused when antigen is in the blood, leading to bronchoconstriction and hypotension?

Fill in the blank: The treatment for systemic anaphylaxis involves the use of ________, which increases blood pressure, heart rate, and dilates blood vessels to skeletal muscle and liver.

Penicillin can cause a Type II hypersensitivity reaction by binding to RBC surface proteins and creating new epitopes.

Which of the following is NOT a symptom of systemic anaphylaxis affecting the heart and vascular system?

Fill in the blank: Allergic rhinitis, also known as ________, occurs when allergens enter the respiratory tract and blood borne eosinophils enter inflamed nasal tissue. Release of inflammatory mediators and mucus will remove eosinophils later.

Fill in the blank: Allergic asthma is mediated by ________ cells and involves chronic inflammation of airways, bronchoconstriction, and production of allergen specific IgE in mucosa.

Fill in the blank: Skin mast cells release ________, which dilates local blood vessels, leading to swelling and redness. An example is a bed bug bite.

Fill in the blank: Food allergy can cause NVD and ________ when the allergen is in the blood and carried to the skin.

Fill in the blank: Atopic dermatitis is associated with many genes related to ________ immunity.

Which of the following is NOT a symptom of mast-cell degranulation in the heart and vascular system?

Which diagram shows an obstructed airway?

Which of the following is a method of desensitization for allergy?

What is the purpose of chronic desensitization in allergy treatment?

Fill in the blank: Prevention of allergy includes ______ and avoidance.

Which of the following is NOT a treatment option for allergy?

Corticosteroids have ______ and immunosuppressive effect.

Which drug inhibits Ca2+ influx and blocks release of mediators in mast cells?

A patient experiencing systemic anaphylaxis after ingesting a peanut exhibits bronchoconstriction and hypotension. Which of the following treatments would be most appropriate?

A 25-year-old individual has been diagnosed with a Type I hypersensitivity reaction after exposure to pollen. Which immune component is not involved in this process?

A child living in a region with high parasite prevalence shows a balanced immune phenotype with minimal allergic responses. This balance is disrupted in parasite-free populations due to:

A pharmaceutical company develops a monoclonal antibody targeting the Fc region of IgE. This treatment would most likely:

In a patient presenting with allergic asthma, chronic inflammation of the airways is predominantly driven by which immune response?