Author Question: Biological scarring, as seen in some disorders such as PTSD, demonstrates that A) the brain is ... (Read 31 times)

james9437 · **on:** Jun 22, 2018

Biological scarring, as seen in some disorders such as PTSD, demonstrates that

A) the brain is capable of healing itself after a trauma.
B) the brain may change as a result of the disorder.
C) genetics plays a vital role in vulnerability to a disorder.
D) brain plasticity is not possible after trauma.

Question 2

Neurons release neurotransmitters into synapses. These neurotransmitters

A) land on the receptor site of the next neuron, causing it to fire.
B) block further messages from being sent to the next neuron.
C) land on an axon, causing it to fire and send an electrical impulse.
D) establish a permanent link between one nerve cell and the next.