Science | Senioritis

Mohamed Abbas
June 21, 2023
Immunology

Allergies: The Role of Immune System in Developing Hypersensitivity to Substances

T/F: it takes more than one exposure to exhibit symptoms of a hypersensitivity T- individuals must be exposed once before to become sensitized, upon second exposure the...

Mohamed Abbas
June 21, 2023
Immunology

Four Types of Hypersensitivity Reactions: A Comprehensive Guide for Managing Allergic Reactions in Clinical Practice

What are the different types of hypersensitivities? – Type 1: anaphylactic reactions – Type 2: cytotoxic reactions – Type 3: immune complex reactions – Type 4: cell-mediated...

Mohamed Abbas
June 21, 2023
Immunology

The Ultimate Guide to Anaphylaxis: Causes, Symptoms, and Emergency Treatment

What is anaphylaxis? A reaction that occurs when allergens combine with IgE antibodies Anaphylaxis is a severe and potentially life-threatening allergic reaction. It is a rapid and...

Mohamed Abbas
June 21, 2023
Immunology

Anaphylaxis: Symptoms, Causes, and Treatments

T/F: anaphylaxis is only systemic F: it can be both systemic (shock, difficulty breathing, and potentially fatal) and localized (hives and hay fever) True. Anaphylaxis is a...

Mohamed Abbas
June 21, 2023
Immunology

Type 1 Hypersensitivity: The Overreaction of the Immune System to Allergens

How to Type 1 hypersensitivities occur? IgEs bind to mast cells or basophils and stimulate degranulation- will release histamines, prostaglandins, and leukotrienes – later mediators will attract...

Mohamed Abbas
June 21, 2023
Immunology

Systemic Anaphylaxis: Causes, Symptoms, and Implications

What causes systemic anaphylaxis? A release of mediators cause blood vessels to enlarge which will drop blood pressure- this is usually in response to injected antigens such...

Mohamed Abbas
June 21, 2023
Immunology

Localized Anaphylaxis: Causes, Symptoms, and Risk Factors

What causes localized anaphylaxis? This is usually in response to ingested or inhaled allergens – presents as itchy eyes, sneezing, etc….. Localized anaphylaxis is typically caused by...

Mohamed Abbas
June 21, 2023
Immunology

How to Differentiate between Cold and Allergy Symptoms: A Guide for Doctors

What are some symptoms that would lead a doctor to believe that someone has a cold and not allergies? – fever- lasts less than 14 days –...