This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Variables, Scales, Subject name: Social & Preventive Medicine
All of the following are Continuous variables except:- 
Select and explain. 
A. Age, B. Religion, C. BMI, D. Blood pressure
B: Religion
Answer: B: Religion 
Explanation: Variable - Anything which can have a different value Continuous variable Discreate variable Many possible values & in between value Few possible value & no in between value Eg:Weight, Height, Blood sugar, Serum cholesterol, BMI, Age, Pulse rate, Systolic blood pressure 0C/0F temperature Eg :ABO Blood grouping, Rh status, Religion, Sex, Anemia, Severity of anemia parity