Hygiene & Sanitation — Quick Reference Cheatsheet
Essential Formulas & Rules
Core Topics
Hand Hygiene (WHO 5 Moments):
Key formula/rule: See fundamentals section for complete derivation
When to apply: When the problem mentions keywords related to hand hygiene (who 5 moments)
Oral Hygiene (Brushing & Flossing):
Key formula/rule: See fundamentals section for complete derivation
When to apply: When the problem mentions keywords related to oral hygiene (brushing & flossing)
Skin Care & Bathing:
Key formula/rule: See fundamentals section for complete derivation
When to apply: When the problem mentions keywords related to skin care & bathing
Food Safety & Handling:
Key formula/rule: See fundamentals section for complete derivation
When to apply: When the problem mentions keywords related to food safety & handling
Environmental Hygiene:
Key formula/rule: See fundamentals section for complete derivation
When to apply: When the problem mentions keywords related to environmental hygiene
Respiratory Hygiene:
Key formula/rule: See fundamentals section for complete derivation
When to apply: When the problem mentions keywords related to respiratory hygiene
Problem-Solving Templates
Template 1: Identify → Apply → Verify
Template 2: For MCQs
Most Common Question Types
| Type | What to Do | Time Budget |
|---|
|---|---|---|
| Direct formula | Apply formula directly | 30-60 sec |
|---|---|---|
| Multi-step | Break into steps, apply each | 1-2 min |
| Concept-based | Recall definition + example | 45 sec |
| Data interpretation | Extract data, compute | 2-3 min |
Revision Strategy
1 month before exam:
1 week before:
1 day before:
Labs Section
The Labs section for Hygiene & Sanitation has:

