BIO 152 / BIOD 152 AP 2, FINAL BIO 152 / BIOD 152 AP 2, FINAL BIO 152 / BIOD 152 AP 2, FINAL BIO 152 / BIOD 152 AP 2, FINAL

BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL 2021




Question 1

pts



The neuron pictured, below, is best described as:

,BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL 2021




Correct!




Bipolar


It has two extensions from the central cell body.



Multipolar


Unipolar

,BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL 2021




Pseudounipolar




Question 2

Not yet graded / 10 pts


Name and describe what is occurring in the neuron cell membrane in section 2 of the
diagram. Include the charge of the membrane during this phase.

, BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL
BIO 152 / BIOD 152 AP 2, FINAL 2021




● Depolarization: The sodium gates open and sodium rushes
into the axon during the depolarization phase of the action
potential.
● Voltage travels past zero and then on up to +40 mV.




Question 3

Not yet graded / 4 pts


Where is the integration center of a reflex located?


CNS (central nervous system)




Question 4

pts


What is false about the flexor withdrawal reflex?




A. It does not involve interneurons.