A major advantage of chemical stimulation using glutamate ...

[khang]

A major advantage of chemical stimulation using glutamate infusion is that
 
  A) it activates cell bodies but not axons.
  B) it is a less complicated procedure than is electrical stimulation.
  C) it only activates neurons in cortex.
  D) it activates axons, but not cell bodies.
  E) dendrites are inactivated by the technique.

Question 2

Kainic acid is a neurotoxin as well as an activator of neurons because
 
  A) at low doses it destroys neurons.
  B) at low doses it dissolves the neuron membrane.
  C) at high doses it overexcites and then kills neurons.
  D) kainic acid is toxic to glial cells that nourish neurons.
  E) it blocks membrane sodium channels.

[hramirez205]

Answer to Question 1

Answer: A
Rationale: A major advantage of chemical stimulation using glutamate infusion is that it activates cell bodies but not axons.

Answer to Question 2

Answer: C