Long-term exposure to opioid drugs
A. has not been clearly shown to produce damage to any tissue or organ system.
B. causes damage to the mesolimbic dopamine system.
C. can weaken the heart.
D. is a common cause of kidney disease.
Question 2
In a heroin user, negative reinforcement of drug-taking behavior can occur when
A. the user overdoses and almost dies.
B. the person is trying the drug for the first time.
C. withdrawal symptoms are alleviated by another injection.
D. the user sees a needle or syringe.
Cellular changes associated with short-term and long-term memory in the sea slug.
Brain cells of a laboratory mouse are shown glowing with multicolor fluorescent proteins
Antidysrhythmic Drugs
Feng Mengbo, Long March: Restart.
A beveled tip helps the needle penetrate skin and vein with minimal damage.
Large-scale circulation systems produce global climate patterns