They would likely be trying to determine if you are at risk for diseases such as malaria or ebola. I hope this helps!
Chefs life. A chef knife is sturdy, strong, and can cut most things.
Answer: in the closet; under the bed.
Explanation: 4 year olds understand that Bobby left the toy under his bed, hence he will go look for it there. In contrast, 2-3 year olds can't comprehend the thought process Bobby will go through, as well as the fact that Bobby is unaware that his mum moved the toy.