Incubation period of chicken pox is-

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2022

Explanation

Chickenpox, caused by the Varicella-zoster virus (VZV), has a typical incubation period of 14 to 16 days.
This is the time from exposure to the virus until the first symptoms, usually a rash, appear.
While the full range can be from 10 to 21 days, the 14-16 day window is the most common and is considered the standard period.

Option A: This period is too short for a typical chickenpox infection.
Option C: This is a very short incubation period, not characteristic of chickenpox.
Option D: This is slightly longer than the accepted maximum incubation period for chickenpox, which is 21 days.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Incubation period of chickenpox (Varicella) as background academic context rather than a clinical decision trigger.
Knowing the 10-21 day incubation period is vital for nurses to conduct effective contact tracing and advise potentially exposed individuals on when to monitor for symptoms.
This knowledge allows for timely implementation of isolation precautions to prevent the spread of the highly contagious virus, especially in hospital or community settings.
What if? If a child was exposed to chickenpox 10 days ago and remains symptom-free, the nurse should advise the parents that the child is still within the incubation period and could develop symptoms and become contagious anytime in the next 11 days.

How to Approach the Question

This is a factual recall question requiring knowledge of communicable diseases.
First, identify the specific information requested: the incubation period of chickenpox.
Recall the standard time frame for the varicella-zoster virus from exposure to symptom onset.
Evaluate the given options. The range of 14-16 days is the most accurate representation of the typical incubation period.
Eliminate other options that are either too short (7 days, 2-4 days) or slightly outside the accepted maximum range (20-22 days).

Concept Tested & Keywords

Q-f6KIU00Jejb1IZXy0Hyp

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 147-149

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 2006-2008

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