A health official says a disease can only be prevented after every one of its causes has been identified. According to the causal pies model, which response is best?

Question

Accepted Answer

Incorrect: blocking any single component of a sufficient cause can prevent disease through that pathway

Answer

Correct: only a necessary cause can ever be blocked

Answer

Correct: all component causes of every pie must be known first

Answer

Incorrect: prevention needs only the agent, never the host or the environment

Crowdly

A health official says a disease can only be prevented after every one of its ca...

Want instant access to all verified answers on e-learning.msa.edu.eg?