This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
RULE OF HALVES RELATED TO- 
Select and explain. 
A. OBESITY, B. BURNS, C. BLINDNESS, D. HYPEENSION
D: HYPEENSION
Answer: D: HYPEENSION 
Explanation: REF:-PARK 25TH EDITION PGNO:-404. RULEOF HALVES:- HYPEENSION IS AN &;ICEBERG DISEASE&;.ONLY ABOUT HALF OF HYPEENSIVE SUBJECTS IN GENERAL POPULATION OF MOST OF THE DEVELOPED COUNTRIES ARE AWARE OF THE PROBLEM WERE BEING TREATED AND ONLY HALF OF THOSE TREATED WERE CONSIDERED ADEQUATELY TREATED. 1. The whole community 2. Normotensive subjects 3. Hypeensive subjects 4. Undiagnosed hypeension 5. Diagnosed hypeension 6. Diagnosed but untreated 7. Diagnosed and treated 8. Inadequately treated 9. Adequately treated.