Dopamine:
a. Has an excitatory effect
b. Enhances the effects of the cortex on lower structures
c. Increases in the synapse when cocaine blocks its reuptake
d. Is probably not involved in the effects of cocaine
Question 2
The depolarization of the cell membrane produced when the threshold is reached results in which of the following?
A) Sodium ions entering the axon 500 times faster than normal
B) Potassium ions exiting the axon 500 times faster than normal
C) Sodium ions entering the axon 1,000 times faster than normal
D) Sodium ions entering the axon 700 times faster than normal
Addition of mineral nutrients to the boreal forest can have different effects on different plant spe
Effect of Knockout of the α5 Ach Receptor Gene in Mice
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
Summary of the Structures of the Eyeball
Motor and Sensory Cortex
Lobes of the brain, with primary receiving and integrating centers of the human cerebral cortex.