Early studies of brain tissue that used staining techniques and microscopes from the 19th century described the "nerve net." These early understandings were in error in the sense that the nerve net was believed to be
A) continuous.
B) composed of discrete individual units.
C) composed of cell bodies, axons, and dendrites.
D) composed of neurotransmitters rather than neurons.

Question

Quizplus · Accepted Answer

Early studies described the "nerve net" as continuous which was later found to be inaccurate as the nervous system is made up of discreet individual neurons with specialized functions.

Answer: B
 Early studies incorrectly believed the nervous system was composed of a continuous "nerve net" rather than individual neurons.

Answer: A and D
 Early understandings described the nervous system as a continuous "nerve net" that was believed to be composed of neurotransmitters rather than individual neurons.

Early Studies of Brain Tissue That Used Staining Techniques and Microscopes