SPM MCQs Archive
Safe yield of a water supply source is the yield that is adequate for?
A. 80% of the year
B. 90% of the year
C. 95% of the year
D. The whole
Minimum depth for the lining of a sanitary well is?
A. 10 feet
B. 20 feet
C. 35 feet
D. 50 feet
Quantity of water available per capita considered adequate to meet the needs of all urban domestic purposes?
Screening test specificity is the ability of a test to correctly identify:
A. False positives
B. True positives
C. True negatives
D. False negatives
All are true about randomized control trial except?
A. Baseline characteristics must be similar
B. Investigator bias can be minimized by double blinding..
Non deliberate cultural practice with anti mosquito effect is?
A.Use of mosquito repellents
B.Use of bed nets
C.Use of alkaline detergent
D.Use of larvicides
A sewage worker with fever and jaundice came to the emergency department. Lab investigations were indicative of renal failure. Preferred antibiotic is?
Modes of disease transmission by vectors are all except?
D. Rubbing of infected faeces
Tetracycline is used for the prophylaxis of?