Which brain structure acts as a major relay center for sensory information before it reaches the cortical areas?

Consider the system.      

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Optional feedback (2 pts extra credit for answering all 4 optional feedback questions): Choose the ONE answer that applies to YOU most:  How much time did you spend preparing for this exam?

In the image shown, label the layers of figure A and B

Multiple select. Choose all that apply:  The figure above depicts/demonstrates a synapse. The cell type labeled C could be a 

Consider the nonlinear system            

Suppose that a firm employs a large number of analysts.  These positions are changed from in-person to remote-work positions.  However, nothing is changed about performance metrics or measurement to adjust for remote work.  After some time, managers are complaining about a significant drop in productivity.  Which of the following could be the cause?

Multiple select. Choose all that apply:  Which of the following nerves function by controlling eye movements (like looking up, down, left/right)?

Extra Credit: Multiple Select. Choose all that apply: Multiple sclerosis is a disease characterized as an autoimmune disorder where the body’s immune system attacks myelin and destroys it in motor neurons. In the impacted neurons, which of the following functions is/are still possible?