This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
A 20 year old is found to have blood pressures of 134/82 and 136/83 on two separate occasions. He will be classified as: 
Select and explain. 
A. Normotensive, B. High normal BP, C. Stage 1 hypeension, D. Stage 2 hypeension
B: High normal BP
Answer: B: High normal BP 
Explanation: When systolic and diastolic blood pressures fall in different categories, the higher category is taken to classify the individual's blood pressure. Classification of blood pressure measurements: Category Systolic BP Diastolic BP Normal <130 <85 High normal 130-139 85-90 Stage 1 hypeension 140-159 90-99 Stage 2 hypeension 160-179 100-109 Stage 3 hypeension >180 >110 Ref: Park 21st edition, page 344.