236q: the most common cause of blindness in India is ?
237q: under national programme for prevention of nutritional blindness , a child in the age group of 6-11 months is given a mega dose of vitamin A equal to ?
a. 50000 IU
b. 1 lakh IU
c. 1.5 lakh IU
d. 2 lakh IU
238q: the usual incubation period of pertussis is ?
239q: risk of damage of fetus by maternal rubella is maximum if mother gets infected in ?
a. 6-12 weeks of pregnancy
b. 20-24 weeks of pregnancy
c. 21-25 weeks of pregnancy
d. 32 – 36 weeks of pregnancy
240q: deficienct in weight for height in a 3 year old child indicates
a. acute malnutrition
b. chronic malnutrition
c. concomitant acute and chronic
d. underweight
241q: several studies show that 85 % of cases of lung cancer are due to cigarette smoking . it is a measure of ?
a. incidence rate
b. relative risk
c. attributable risk
d. absolute risk
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