Neco Model Questions Vol1 2018 Agricultural Science Question 2
Practice objective / multiple choice question 2 from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
In a herd of 200 cattle, 30 show clinical signs of disease X. Among these, 18 test positive for pathogen A and 12 test negative. Of the 170 apparently healthy cattle, 20 test positive for pathogen A (asymptomatic carriers). Calculate the relative risk (RR) of disease X associated with the presence of pathogen A and state whether pathogen A is a risk factor (RR > 1). Give the RR to one decimal place.
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About This Question
This is Neco Model Questions Vol1 2018 Agricultural Science Question 2. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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