In order for Jabar to calculate a standard score, he will need which two statistics?

When different drugs are in the body at the same time, the combined effect can be greater than each drug taken alone. This is called a _____.

a.) Antagonistic action b.) Polysubstance rush c.) Pharmacological potentiation d.) Synergistic effect

Drugs that speed up the functioning of the nervous system are called _____________

a) stimulants b) depressants c) narcotics d) psychogenics