Anaphylaxis is the term used in condition?

ESIC Nursing Officer 2016 (shift-1)

Medical Surgical Nursing

Easy

Appeared in: ESIC Nursing Officer 2016 (shift-1)

Explanation

Anaphylaxis is defined as a severe, life-threatening, generalized or systemic hypersensitivity reaction.
It is a type of allergic reaction, specifically a Type I IgE-mediated hypersensitivity reaction.
The reaction is characterized by a rapid onset and involves multiple body systems, including the skin, respiratory, cardiovascular, and gastrointestinal tracts.
Key features include respiratory compromise, hypotension, and skin/mucosal involvement, which distinguish it from a milder allergic reaction.

Option A: Pyrexia of unknown cause (PUO) refers to a prolonged fever without an identified source. While infection or inflammation can cause fever, it is not synonymous with an allergic reaction like anaphylaxis.
Option C: Prognosis is a prediction of the likely course and outcome of a disease. It is a forecast, not a physiological condition or reaction.
Option D: Excessive sleep, or hypersomnia, is a sleep disorder. While severe fatigue can occur after an anaphylactic episode, excessive sleep is not the defining characteristic or term for anaphylaxis itself.

Visual 1: Diagram: Pathophysiology of Type I Hypersensitivity - Illustrating an allergen binding to IgE on a mast cell, leading to degranulation and release of histamine and other mediators.
Visual 2: Infographic: Signs and Symptoms of Anaphylaxis - A body map showing how different systems are affected (e.g., hives on skin, swelling in the throat, wheezing in lungs, low blood pressure).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and characteristics of anaphylaxis as background academic context rather than a clinical decision trigger.
Nurses must be able to rapidly recognize the signs of anaphylaxis as it is a medical emergency requiring immediate intervention to prevent death.
The priority nursing action is to administer epinephrine as prescribed, followed by airway management and circulatory support.
Patient education is critical for individuals with known severe allergies, including teaching them how to use an epinephrine auto-injector and the importance of avoiding known triggers.

How to Approach the Question

First, identify the core term in the question: 'Anaphylaxis'.
This is a direct recall question that asks for the definition or classification of this term.
Access your knowledge about anaphylaxis. Recall that it is a severe, rapid, and systemic reaction to an allergen.
Evaluate the options. 'Allergic reaction' is the broad category under which anaphylaxis falls. The other options describe unrelated concepts: a type of fever, a disease forecast, and a sleep disorder.
Select 'Allergic reaction' as the best description among the choices provided.

Concept Tested & Keywords

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