The production of antibodies is called?

Appeared in: DSSSB - 29 August 2019 (Shift-2)

Explanation

The humoral immune response is the specific arm of the adaptive immune system responsible for producing antibodies.
This process is also known as antibody-mediated immunity.
It involves B lymphocytes (B cells) that are activated by a foreign antigen.
Upon activation, B cells differentiate into specialized plasma cells.
These plasma cells function as factories, manufacturing and secreting large quantities of antibodies (immunoglobulins) into the bloodstream and other body fluids.

Option B: The cellular immune response is mediated by T lymphocytes (T cells), not B cells. It does not involve the production of antibodies.
Option C: This term is too general and non-specific. Both humoral and cellular immunity are dependent on activation by an antigen.
Option D: This term describes an effector function that relies on pre-existing antibodies, not the initial production of them. An example is Antibody-Dependent Cell-Mediated Cytotoxicity (ADCC), where immune cells target a cell that is coated with antibodies.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Adaptive Immunity: Humoral vs. Cellular Response as background academic context rather than a clinical decision trigger.
Vaccination is a key clinical application that primarily stimulates the humoral immune response to generate 'memory' B cells and produce protective antibodies against future infections.
Nurses often administer vaccines and may need to explain to patients how they work. They may also be involved in checking antibody titers (e.g., Hepatitis B surface antibody levels) to confirm a patient's immunity status.
What if? If a patient has a congenital defect in B-cell development (e.g., X-linked agammaglobulinemia), they would have a severely impaired humoral immune response. This would make them unable to produce antibodies and highly susceptible to recurrent bacterial infections, while their cellular immunity would remain largely intact.

How to Approach the Question

This is a factual recall question testing foundational knowledge of immunology.
Identify the key phrase in the question stem: 'production of antibodies'.
Systematically evaluate each option based on its precise definition.
Recall that the adaptive immune system has two main branches: humoral and cellular.
Associate 'humoral' with 'humors' (an old term for body fluids), where antibodies circulate.
Associate 'cellular' with direct action by cells (T cells).

Concept Tested & Keywords

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E6 Pharmacology Nursing Lilley 11e Part 3 pp. 6-8, 113-115

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 94-96

Practise the full DSSSB - 29 August 2019 (Shift-2)

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