What is the primary excitatory neurotransmitter in the CNS?

 PCP and Ketamine share a common mechanism of action, they both act as _____ at _____ receptors 

Traumatic events (as in PTSD) differ from regular stressors in terms of their neurobiology in that they tend to evoke enhanced _______ signaling, this in turn, increases the output of other neurotransmitters which results in enhanced fear learning.

What is the primary inhibitory neurotransmitter in the CNS?

 What is the order of release in the HPA axis from beginning to end?

 Organizational effects are ______ ; activational effects are _______ 

 What would be the difference in synaptic connections between a 5 year and a 25 year old 

 In female rats, what is the main brain region that is known to regulate female sexual behavior? 

Long Problem 3: Subpart Assume the additional deformation of the spring in this case to be

Multiple Choice Question 6 A mass  travels in a straight line on a horizontal plane block. It is attached at one end to a fixed vertical wall through a spring (spring constant ) while at the other end, it is connected through an inextensible cable to a pendulum of mass . The lower mass  will oscillate in the vertical plane ABC. How many equation(s) of motion will this system have?