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Exam 1 Material
Review Questions
12
Psychology
Undergraduate 2
02/09/2014

Additional Psychology Flashcards

 


 

Cards

Term
The neuron doctrine stipulates that neurons...

a) Depend on one another for their metabolic needs
b) Are continuous with one another through a system of tubes
c) Are contiguous with one another
d) Plus glial cells form functional units
Definition
B
Term
Which neurotransmitter method provides an outline of entire neurons, including all of the cell's processes (axons and dendrites)?

a) Nissl stain
b) Radioctive glucose stain
c) Golgi stain
d) Axonal degeneration procedure
Definition
C
Term
In which part of the neuron are the synaptic vesicles found?

a) Cell body
b) Dendritic spines
c) Axon hillock
d) Synaptic boutons
Definition
D
Term
The output zone of the neuron is the

a) axon terminal
b) dendritic spine
c) cell nucleus
d) microtubule
Definition
A
Term
Which of the following areas is not a sector of the cerebral hemispheres?

a) Parietal lobe
b) Brainstem
c) Temporal lobe
d) Frontal lobe
Definition
B
Term
Which component forms the human central nervous system?

a) brain
b) cranial nerves
c) spinal cord
d) options a and c are correct
Definition
D
Term
What are the cerebral ventricles?

a) a barrier that separate the blood from the brain
b) a group of glial cells
c) chambers filled with fluid
d) nerve cells connecting the brain with the rest of the body
Definition
C
Term
Which are the fundamental parts of the nerve cell?
Definition

Reception

Conduction

Transmission

Term
What type of signals are the nerve cells?
Definition

electrical

  • Action potential
  • Local potentials
Term
What kind of channels are opened during the action potential?
Definition

Voltage gated Na+ channels

 

Voltage gated K+ channels at the end

Term
What is the refractory period?
Definition
inactive state of the voltage-gated Na+ channels
Term
Why is the refractory period important?
Definition
to prevent the action potential from being transmitted backward
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