What are short term effects of marijuana

Short-term memory problems, Severe anxiety, including fear that one is being watched or followed (paranoia), Very strange behavior, seeing, hearing or smelling things that aren’t there, not being able to tell imagination from reality (psychosis),Panic Hallucinations Loss of sense of personal identity ,Lowered reaction time, Increased heart rate (risk of heart attack), Increased risk of stroke,Problems with coordination (impairing safe driving or playing sports).
hope this helps.

The Short term effects for Marijuana is impared judgement & I strongly suggest that you don't drive.

Hope that helped

Difference between normal and abnormal tissue is much clearer on mri than on ct and mri much suitable to view soft tissues

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.