Tolerance for opioids can develop in as little as ______. Withdrawal symptoms can appear as rapidly ...

Tolerance for opioids can develop in as little as ______. Withdrawal symptoms can appear as rapidly as ______ after the use of such drugs is discontinued.
 
  A) 2-3 days; 4-6 hours
   B) 2-3 days; 10-12 hours
   C) 7-10 days; 4-6 hours
   D) 7-10 days; 10-12 hours

Question 2

Endorphins and enkephalins have the same physiological effect on the body as opioids in that they produce
 
  A) heightened arousal and pain relief.
   B) disorientation and sedation.
   C) pain relief and sedation.
   D) euphoria and heightened arousal.

Question 3

Codeine, morphine, and heroin produce pain relief and a sense of euphoria. They mimic the effects of the body's natural opioids, which include
 
  A) endorphins and enkephalins.
   B) oxycodone and oxycontin.
   C) dopamine and ketamine.
   D) norepinephrine and epinephrine.

Question 4

Which of these population groups tends to abuse benzodiazepines the most?
 
  A) Men
   B) Women
   C) Teens
   D) Native Americans