Ideal floor area per person is:

Appeared in: UP NHM CHO 7 Sept 2022 (Shift-2)

Explanation

100 sq ft, which is the recommended optimum floor area per person according to established public health housing standards.
This standard ensures adequate space for living, which is crucial for both physical and mental health.
Adequate floor space helps in preventing the rapid spread of respiratory and skin infections that are common in overcrowded conditions.
The Environmental Hygiene Committee (EHC) guidelines specify 100 sq ft as the optimum and 50 sq ft as the minimum floor area per person.

Option A: 130 sq ft is more than the recommended ideal standard for a single person's living space in general housing guidelines.
Option C: 220 sq ft is significantly larger than the standard public health recommendation for a single individual's floor area.
Option D: 50 sq ft represents the absolute minimum acceptable floor area per person, not the ideal area. Living in spaces of this size or smaller is considered overcrowding.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Housing standards and environmental health as background academic context rather than a clinical decision trigger.
As a community health nurse, understanding housing standards is crucial for assessing environmental health risks. Poor housing and overcrowding are directly linked to higher rates of infectious diseases (like tuberculosis, influenza), skin infections (scabies), and psychosocial stress.
Nurses can use these standards to advise families and communities on healthy living environments and advocate for better housing policies to prevent disease and promote well-being.
What if? If a nurse is assessing a family of four living in a single room of 150 sq ft, the calculation would be 150/4 = 37.5 sq ft per person. This is below the minimum standard of 50 sq ft, indicating severe overcrowding and a high-risk environment that requires intervention or counseling.

How to Approach the Question

First, identify the key term in the question, which is 'Ideal floor area'. This implies you are looking for an optimal or recommended standard, not a minimum requirement.
Scan the options to see the different values provided.
Recall or look up the standard housing guidelines in preventive and social medicine.
Differentiate between 'ideal' (or optimum) and 'minimum' standards. The minimum is the lowest acceptable value, while the ideal is the target for a healthy environment.
Select the option that matches the 'ideal' standard. In this case, 100 sq ft is the ideal, while 50 sq ft is the minimum.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart B (pp 233-449 of 464) p. 68-70

Practise the full UP NHM CHO 7 Sept 2022 (Shift-2)

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