Allergic Reactions and Immune Disorders Overview

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What is the primary difference between an allergic reaction and anaphylaxis?

Severity of symptoms

Location of the reaction

Type of allergen involved

Number of body systems affected (correct)

What is an allergen?

A type of antibody

A protein produced in response to an antigen

A type of immune response

A substance that produces allergic symptoms (correct)

What is a common characteristic of hypersensitivity?

It is always severe

It only affects the respiratory system

It is unpredictable

It is often predictable (correct)

What is the term for an abnormal immune response?

Allergic reaction (B) Signup and view all the answers

What is a common allergen that can cause anaphylaxis?

All of the above (D) Signup and view all the answers

What is the term for a systemic allergic reaction that affects two or more body systems?

Anaphylaxis (D) Signup and view all the answers

What is the primary chemical mediator responsible for allergic reactions?

Histamine (D) Signup and view all the answers

What is the result of the immune system becoming hypersensitive in anaphylactic reactions?

Identifying harmless substances as a threat (C) Signup and view all the answers

What is the purpose of vaccine administration?

To send a small amount of virus into the body to stimulate antibody production (D) Signup and view all the answers

What is the primary function of macrophages in an allergic reaction?

To engulf the allergen (B) Signup and view all the answers

What is the characteristic of an anaphylactic reaction?

Affecting multiple body systems (D) Signup and view all the answers

What is the difference between a mild and severe allergic reaction?

The severity of symptoms and the number of body systems affected (C) Signup and view all the answers

What is one of the effects of histamine on the cardiovascular system?

Vasodilation (C) Signup and view all the answers

What is a sign of impending airway occlusion?

Stridor (D) Signup and view all the answers

What should be assessed during the primary assessment of circulation?

Skin for histamine release symptoms (A) Signup and view all the answers

What is a key question to ask during history taking?

Does the patient have allergies? (B) Signup and view all the answers

What is a sign of a severe allergic reaction?

Hypoperfusion or respiratory distress (C) Signup and view all the answers

What is the first step in treating a severe allergic reaction?

Identify the amount of distress (A) Signup and view all the answers

What is the primary indication for Chlorphenamine medication?

Allergic reaction or Anaphylaxis (B) Signup and view all the answers

What is the recommended dose of Chlorphenamine for children aged 6-11 years with anaphylaxis?

2.5mg injection (B) Signup and view all the answers

What should be done before administering Antihistamine to a severe patient?

Epinephrine injection (D) Signup and view all the answers

What is the purpose of administering Corticosteroids in Anaphylactic Reactions Management?

To prevent late reactions (A) Signup and view all the answers

What is the primary concern when managing anaphylactic reactions?

Maintaining circulation (B) Signup and view all the answers

What should be done if a patient has signs of allergic reaction but no respiratory or circulation problems?

Administer Antihistamine and monitor for changes (B) Signup and view all the answers

What is the indication for the administration of Epinephrine (1:1000)?

Anaphylaxis (A) Signup and view all the answers

What is the form of Epinephrine (1:1000) used for administration?

Injection Ampule or pre-filled syringe (D) Signup and view all the answers

What is the contraindication for the administration of Epinephrine (1:1000)?

None (B) Signup and view all the answers

What is the type of medication that Epinephrine (1:1000) is?

Sympathetic agonist (D) Signup and view all the answers

What should be done if a patient has low BP?

Administer IV fluid (A) Signup and view all the answers

In what order should the following actions be taken in case of anaphylaxis?

Administer IV fluid, Call AP, Transport rapidly (B) Signup and view all the answers