Nicotinic ACh receptors that contain the 5 subunit, found on neurons in the medial habenula, play a role in ______________ the reinforcing effects of nicotine.
a. inhibiting
b. exciting
c. stabilizing
d. having no effect on
e. stimulating
Question 2
Which of the following is true of opiate abuse?
a. Heroin use is legal to use under medical supervision.
b. The opiate habit is inexpensive.
c. Opiates are not addictive.
d. Needle-using opiate addicts are at risk for contracting HIV.
e. Rats will self-administer morphine but not heroin.
Receptors in the autonomic nervous system: (a) sympathetic division; (b) parasympathetic division
Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source:
The insulin receptor and its structural relationship to other transmembrane receptors with protein
Receptors in the Autonomic Nervous System
Axons of sympathetic preganglionic neurons enter sympathetic trunk ganglia
Three Types of Neurons