Artificially acquired immunity is obtained by

Appeared in: ESIC Nursing Officer - 2019 (Shift-2)

Explanation

Artificially acquired immunity results from a deliberate medical intervention, not a natural process.
Immunization involves introducing a vaccine or toxoid (antigen) to the body.
This stimulates the body's own immune system to produce antibodies and memory cells, which is an 'active' process.
This type of immunity provides long-lasting protection against a specific disease.

Option A: Recovering from a disease is a form of natural active immunity. The body actively produces antibodies, but the exposure to the pathogen is natural, not through medical intervention.
Option B: Receiving antibodies through breast milk is an example of natural passive immunity. It is natural, and the infant receives pre-made antibodies ('passive') rather than producing them.
Option D: Exposure to a disease is the trigger for natural active immunity. The body actively creates its own immune response following a natural encounter with a pathogen.

Visual 1: Flowchart - A diagram illustrating the different types of immunity. It would start with 'Immunity' and branch into 'Innate' and 'Acquired'. 'Acquired' would then branch into 'Active' and 'Passive', with each of those branching into 'Natural' and 'Artificial', showing examples for each of the four final categories.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Types of Acquired Immunity as background academic context rather than a clinical decision trigger.
Understanding the types of immunity is fundamental for public health nursing, especially in implementing and educating about the National Immunization Schedule.
Artificial active immunity (vaccination) is the cornerstone of preventing communicable diseases like measles, polio, and tetanus.
Artificial passive immunity (e.g., giving Tetanus Immunoglobulin) is a critical emergency measure to provide immediate, temporary protection after a high-risk exposure.

How to Approach the Question

First, break down the key terms in the question: 'Artificially acquired immunity'.
'Artificially' means it is obtained through a medical procedure, not a natural event.
'Acquired' means it is developed during one's lifetime, not something one is born with (innate).
Evaluate each option against the term 'artificially'.
Recovering from a disease, being breastfed, and exposure to a disease are all natural processes.
Immunization is a medical intervention, making it the only 'artificial' method listed.

Concept Tested & Keywords

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Practise the full ESIC Nursing Officer - 2019 (Shift-2)

Attempt every question from this paper in a timed mock, then review the full solution for each one.