At Low Doses, Barbiturates Cause ___________ but with Large Doses

Multiple Choice

At low doses, barbiturates cause ___________ but with large doses they can cause __________.

A) mild euphoria; lowered respiration, blood pressure, and heart rate to dangerous levels
B) sleep; coma
C) relaxation of the diaphragm muscles; personality changes
D) slurred speech; mild euphoria
E) blurred vision; muscle paralysis