AP chapter 2
Phrenology highlighted the presumed function of ... ?
Specific Brain Regions
The person mosst likely to suggest that the shape of a person's skull indicates the estent to which that individual is argumentative and aggressive would be a :
Dr. Wolski does research on the potential relationship between neurotransmitter deficiencies and mood states. Which psycological specialty does Dr. Wolski's research best represent?
Biological Psychology
A biological psychologist would be most interested in the relationship between :
body chemistry and violent behavior
Dendrites are branching extensions of
the function of dendrites is to :
receive incoming signals from other neurons
An axon is :
the extension of a neuron that carries meassages away from the cell body
The longest part of a motor neuron is likely to be the :
In transmitting sensory information to the brain, an electrical signal within a signal neuron travels from the :
Dendrites to the cell body to the axon
The speed at which a neural impulse travels is increased when the axon is encased by a(n) :
Myelin Sheath
Neural impulses may travel as rapidly as
200 miles per hour
A brief electrical charge that travels down the axon of a neuron s called the :
Action potential
The depolarization of a neural membrane creates a(n)
Action Potential
An action potential is generated by the movement of
The resting potential of an axon results from the fact that an axon membrane is :
selectivley permeable
resting potential is to action potential as ____ is to ____
polorization is to depolorization
With regard to the process of the neural transmission, a refractory period refers to a time interval in which :
Positively charged atoms are pumped back outside a neural membrane.
The minimum level of stimulation required to trigger a neural impulse is called the :
Increasing excitatory signals above the threshold for neural activation will not affect the intensity of an action potential. This indicates that a neuron's reaction is :
an all-or-none response
A slap on the back is more painful than a pat on the back because the slap triggers :
More frequent neural impulses
Sir Charles Sherringtion observed that impulses took more time to travel a neural pathway than he might have anticipated. His observation provided evidence for the existence of :
Synaptic Gaps
A synapse is a(n)
a junction between a sending neuron and a recieving neuron
The chemical messengers released into the spatial junctions between neurons are called:
Neurotransmitter is to ion as ____ is to ___
Molecule is to atom
Neurotransmitters are released from vesicles located in knoblike terminals on the:
Reuptake refers to the:
Reabosrotion of excess neurotransmitter molecules by a sending neuron
Research on neurotransmitters indicates that :
Neurotransmitters can inhibit neural impulse transmission
Alzheimer's disease is most closely linked to the loss of neurons that produce :
Epinephrine is to hormone as acetylcholine is to
schizophrenia is most closley linked with excess receptor activity for the neurotransmitter :
An undersupply of serotonin is most closely linked to:
Gaba is to glutamate as ___ is to ___
inhibitory neurotransmitter is to excitatory nuerotransmitter
Migraine headaches are most closely linked with an ____ of ____
oversupply of glutamate
Transferring messages froma motor neuron to a leg muscle requires the neurotransmitter known as :
Botulin poisoning from improperly canned food causes paralysis by blocking the release of :
Endorphines are :
Opiate drugs occupy the smae receptor sites as :
Jose has just played a long, bruising football game but feels little fatigue or discomfort. His lack of pain is most likely caused by the release of :
Hormone is to neurotransmitter as epinephrine is to:
Th body's natural production of endorphins is likely to be ___ by heroin use and ___ by acupuncture