With drug use, ___________ are seen in dopamine D1 receptors, which cause excitation and facilitate behavior, and _________ are seen in dopamine D2 receptors, which cause inhibition and suppress behavior.
a. increases; decreases
b. increases; increases
c. decreases; decreases
d. decreases; increases
Question 2
A substance that is a positive reinforcer:
a. increases behavior by adding a positive reward.
b. decreases behavior by adding a positive reward.
c. increases behavior by taking away something bad.
d. decreases behavior by taking away something bad.
The activation of G-protein-coupled receptors and G proteins
Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source:
) Subcutaneous drug administration: (c) the needle is inserted at a 45
Additive, synergistic, and antagonistic drug interactions: (a) additive response; (b) synergistic ...
Documented Herb–Drug Interactions
Taste Receptors