SOCIAL AND PREVENTIVE MEDICINE
2221. Hard tick transmits ________.
A. Oroya fever
B. Oriental sore
C. Human balbesiosis *
2222. A patient of diphtheria is infective__________.
A. Till fever abates
B. Till cough sunsides
C. For 15 days after infection *
D. Till membrane disappears
2223. When gross reproductive rate of community is 3.3, the birth rate will be _________.
B. 40/1000 *
2224. Most sensitive index of recent transmission in malaria endemic area is ________.
A. Spleen rate
B. Parasite rate
C. Parasite density rate
D. Infant parasite rate *
2225. WHO does not conduct surveillance for ____________.
A. Viral encephalitis *
D. Relapsing fever
2226. The life cycle of guinea worm in may be described as ________.
A. Cyclodevelopmental *
2227. Normal fluoride level in water is _________.
A. 0.2 mg/L
B. 0.5 mg/L *
C. 1 mg/L
D. 1.2 mg/L
2228. Byssinosis affects which type of cotton workers ________.
B. Spinners *
2229. Most sensitive index of leprosy transmission is ________.
A. Incidence *
C. Detection rate
D. Disability rate
2230. Which of the following is true of cluster sampling _______.
A. Involves use of random members
B. A natural group is taken as sampling renit *
C. Stratification of population is done
D. Every tenth case is chosen for study