MIDTERM EXAM Introduction to Neuroscience – Bio 3411 1999 1 ...

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Midterm Exam
Introduction to Neuroscience – Bio 3411 (1999)
Name: _____________________________________
9) Which four answers are applicable to the diagram: ____; ____; ____;____
A. facilitation
B. presynaptic facilitation
C. depression
D. spatial summation
E. temporal summation
F. long term potentiation
G. IPSPs
H. EPSP’s
I. Electrical synaptic transmission.
J. Passive potential
10) Two factors important in transferring short-term memory into long-term memory are
___________ and ___________ (fit single word answers in blanks).
11) Finish this SINGLE sentence using only the available space: The mechanism of voltagegating
of the sodium channel is essential for the propagation of the action potential because it
____________________________________________________________________. (2 pts)
12) Neurons and epidermal cells derive from which germ band of an
embryo_____________.
13) Neurons within the neural tube are born in the ventricular layer. Once born, neuronal
precusors (circle two answers):
a) migrate radially, then laterally.
b) migrate laterally, then radially.
c) do not migrate.
d) follow Bergman glia.
e) remain undifferentiated ectoderm