Which Is a (Small) Disadvantage to Using the Crayfish Stretch

Multiple Choice

Which is a (small) disadvantage to using the crayfish stretch receptor to analyze stimulus coding?

A) The experiments are highly specialized and difficult to set up.
B) Crayfish axons are tiny and difficult into which to insert microelectrodes.
C) The CNS regulates receptor sensitivity, thereby confounding any kind of Weber-Fechner type of stimulus coding.
D) The stretch receptor soma is isolated from any ganglion.
E) Inhibitory innervation predominate over that of excitatory innervation.