If mean is 11 and median is 13, what is the value of mode? ()
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All of the following diseases show iceberg phenomenon EXCEPT ()
A. Influenza
B. Polio
C. Hepatitis
D. Chicken Pox
All are morbidity indicators EXCEPT ()
A. Period of hospital stay in hospital
B. Doctor – population ratio
C. Attendance at outpatient department
D. Notification rates
Consider the following: 1. Disease control phase 2. Health promotion phase 3. Social engineering phase 4. Health for all phase. What is the correct sequence? ()
A. 1, 2, 3, 4
B. 4, 3, 2, 1
C. 2, 1, 3, 4
D. 3, 2, 1, 4
All of these are the components of Epidemiological triad EXCEPT ()
A. Host
B. Vector
C. Environment
D. Agent