NVS Staff Nurse - 2019: Isolation of a child with measles belongs to which level of prevention?

NVS Staff Nurse - 2019

Community Health Nursing

Medium

Appeared in: NVS Staff Nurse - 2019

Explanation

Right Option Explanation

Secondary Prevention: This level focuses on early detection, prompt intervention, and halting the spread of an existing disease.
The Reason: The child is already infected and symptomatic. Isolating them acts as an early containment strategy to prevent a wider community outbreak.

B) Tertiary Prevention: This level focuses on rehabilitation and reducing long-term disability after a chronic disease has caused permanent damage. Isolation does not fit here as measles is an acute infection, not a chronic disability requiring long-term rehab.
C) Primary Prevention: This level aims to prevent the disease from occurring in the first place by removing risks. Measles vaccination (MMR) before getting sick is primary prevention, but isolation happens after infection.
D) Intermediate: This is a distractor term. There is no standard "intermediate" level in the classic public health framework of prevention (Primary, Secondary, Tertiary, Quaternary).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Levels of Prevention in Community Health Nursing as background academic context rather than a clinical decision trigger.
Nurses are responsible for implementing and enforcing isolation precautions (e.g., airborne precautions for measles) to prevent nosocomial (hospital-acquired) infections.
Patient and family education is a key nursing role. The nurse must explain the reason for isolation, how it works, and its duration to ensure compliance and reduce anxiety.
What if? If a susceptible, unimmunized person is exposed to measles before the patient is isolated, the correct action shifts to post-exposure prophylaxis (a secondary prevention strategy for that individual), which includes giving the MMR vaccine within 72 hours or Immunoglobulin (IG) within 6 days of exposure.

How to Approach the Question

First, identify the key action in the question: “Isolation of a child with measles.”
Next, define the purpose of this action in a public health context. The goal of isolating a sick person is to prevent further transmission after the disease has already occurred.
Recall the definitions of the three levels of prevention: Primary (preventing disease before it starts), Secondary (early detection/treatment and limiting progression of an established disease), and Tertiary (reducing disability/rehabilitation).
Match the purpose of “isolation” to the correct level. Since the disease has already been diagnosed and isolation helps limit further transmission, it is considered Secondary Prevention in this context.
Eliminate the other options. Primary prevention would involve preventing measles before it occurs, such as vaccination. Tertiary prevention would involve managing long-term complications or disability. “Intermediate” is not a standard level of prevention.

Concept Tested & Keywords

Concept Tested: Levels of Prevention in Community Health Nursing
Stem keywords: Isolation, measles, level of prevention
Lead-in keywords: belongs to which
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Negative lead-in flag: false

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) pp. 34-36, 151-153

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1968-1970