The vaccine that is administered after exposure is

Appeared in: NHM UP Staff Nurse-2021 Shift-1st

Explanation

Rabies is a viral infection with a long incubation period, allowing a window for post-exposure vaccination.
Post-Exposure Prophylaxis (PEP) for rabies involves immediate wound care, administration of Rabies Immune Globulin (RIG) for passive immunity, and a series of vaccine doses for active immunity.
The vaccine stimulates the body to produce antibodies that neutralize the virus before it reaches the central nervous system, preventing the onset of the fatal disease.
This strategy is highly effective and is the standard of care for potential rabies exposures.

Option A: The measles vaccine is primarily a pre-exposure prophylactic vaccine given in childhood (as part of MMR).
Option B: The typhoid vaccine is administered for pre-exposure prophylaxis, typically for travelers going to endemic areas.
Option C: The mumps vaccine is a routine pre-exposure immunization, included in the MMR vaccine, to prevent the disease.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Post-Exposure Prophylaxis (PEP) Vaccination as background academic context rather than a clinical decision trigger.
Immediate and thorough wound cleansing with soap and water for at least 15 minutes is a critical first step in rabies PEP and can significantly reduce the risk of infection.
Nurses must educate patients on the importance of adhering strictly to the rabies vaccination schedule (Days 0, 3, 7, 14). Any deviation can lead to prophylaxis failure.
What if? A patient who previously completed a full pre-exposure or post-exposure rabies vaccination series is bitten by a stray dog. In this case, the patient would need two booster doses of the vaccine (on days 0 and 3) but would NOT require Rabies Immune Globulin (RIG).

How to Approach the Question

First, identify the core concept of the question, which is 'post-exposure vaccination' - a vaccine given to prevent a disease after a person has already been exposed to the pathogen.
Evaluate each option based on this concept.
Recall that Measles, Mumps, and Typhoid vaccines are primarily given before exposure (pre-exposure prophylaxis).
Recognize that Rabies is the most well-known and critical example of a disease where vaccination is routinely and effectively administered after exposure.
Conclude that Rabies is the correct answer because its long incubation period makes post-exposure prophylaxis a life-saving and standard medical practice.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 1 p. 1696-1698

E6 Medicine Davidson Principles Practice 24e p. 1142-1144

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1633-1635

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