I am thinking of a number 1 or 2 if you guess right i give you brainliest

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Aclient is scheduled for a diagnostic examination. what will the nurse do first?

Which is a physical sign of stress? a: unexplained euphoria b: feelings of invincibility c: inability to sleep d: visual hallucinations