Psychology Exam queries with
answers graded A+
The fundamental unit of the nervous system is___. (Ch. 3) - ANS✅✅Neuron
Which 1 is a type of neuron? (Ch.3) - ANS✅✅Sensory Neurons (afferent neurons), Motor Neurons
(efferent neurons), interneurons
The part of the neuron that receives info from other cells is the ___. (Ch. 3) - ANS✅✅interneurons
The long extension from the cell body whose function is to transmit info to other neurons is__. (Ch.
3) - ANS✅✅axon
The part of the neuron that is a fatty layer, that is wrapped around the axon, and that increases the
speed of transmission is the____. (Ch. 3) - ANS✅✅myelin sheath
Multiple Sclerosis is a disorder that involves problems with___. (Ch.3) - ANS✅✅myelin sheath on
large clusters of axons
The gap or space between neurons is referred to as a(n)___. (Ch. 3) - ANS✅✅synaptic cleft
Spreading voltage changes that occur when one neuron stimulates another is a(n) ___. (Ch. 3) -
ANS✅✅graded potentials
Which of the following is a characteristic of a graded potential? (Ch. 3) - ANS✅✅2 chara: 1. Their
strength diminishes as they travel along the cell membrane away from the source of the stimulation.
2. Potentials are cumulative or additive
Which of the following is associated with "firing" of the neuron? (Ch. 3) - ANS✅✅action potential
The part of the axon that involves small sacs that contain neurotransmitters is called___. (Ch. 3) -
ANS✅✅synaptic vesicles
, ____ are chemicals that transmit information from one cell to another. (Ch. 3) -
ANS✅✅neurotransmitters
___neurotransmitters depolarize the postsynaptic membrane. (Ch. 3) - ANS✅✅excitatory
___neurotransmitters increase the polarization of the postsynaptic membrane. (Ch.3) -
ANS✅✅inhibitory
Inhibitory neurotransmitters (do what) ___. (Ch. 3) - ANS✅✅increase the polarization of the
postsynaptic membrane
The neurotransmitter that has the capability of exciting nearly every neuron in the nervous system
and appears to be involved in learning is____. (Ch.3) - ANS✅✅glutamale
GABA is a(n)____(what kind of neurotransmitter) (Ch.3) - ANS✅✅widespread,inhibitory role
The neurotransmitter that regulates anxiety and that is used by about one-third of all the neurons in
the brain is___. ) (Ch.3) - ANS✅✅dopamine
Memory & learning are associated most with which neurotransmitter? (Ch.3) -
ANS✅✅acetylcholine
Chemicals that elevate mood and reduce pain are referred to as ___. (Ch.3) - ANS✅✅endorphins
Narcotics work because they are chemically very similar to ___. (Ch. 3 ) - ANS✅✅endorphins
Basic life processes are in the control of what part of the nervous system? (Ch.3) -
ANS✅✅autonomic nervous system
In an emergency situation, the adrenal glands of the body secrete "emergency" hormones while the
___nervous system prepares the body for fight or flight. (Ch. 3) - ANS✅✅sympathetic
An angry student comes at me with a knife. I take it that they aren't happy with their grade. What
part of the automatic nervous system is involved? (Ch.3) - ANS✅✅sympathetic
answers graded A+
The fundamental unit of the nervous system is___. (Ch. 3) - ANS✅✅Neuron
Which 1 is a type of neuron? (Ch.3) - ANS✅✅Sensory Neurons (afferent neurons), Motor Neurons
(efferent neurons), interneurons
The part of the neuron that receives info from other cells is the ___. (Ch. 3) - ANS✅✅interneurons
The long extension from the cell body whose function is to transmit info to other neurons is__. (Ch.
3) - ANS✅✅axon
The part of the neuron that is a fatty layer, that is wrapped around the axon, and that increases the
speed of transmission is the____. (Ch. 3) - ANS✅✅myelin sheath
Multiple Sclerosis is a disorder that involves problems with___. (Ch.3) - ANS✅✅myelin sheath on
large clusters of axons
The gap or space between neurons is referred to as a(n)___. (Ch. 3) - ANS✅✅synaptic cleft
Spreading voltage changes that occur when one neuron stimulates another is a(n) ___. (Ch. 3) -
ANS✅✅graded potentials
Which of the following is a characteristic of a graded potential? (Ch. 3) - ANS✅✅2 chara: 1. Their
strength diminishes as they travel along the cell membrane away from the source of the stimulation.
2. Potentials are cumulative or additive
Which of the following is associated with "firing" of the neuron? (Ch. 3) - ANS✅✅action potential
The part of the axon that involves small sacs that contain neurotransmitters is called___. (Ch. 3) -
ANS✅✅synaptic vesicles
, ____ are chemicals that transmit information from one cell to another. (Ch. 3) -
ANS✅✅neurotransmitters
___neurotransmitters depolarize the postsynaptic membrane. (Ch. 3) - ANS✅✅excitatory
___neurotransmitters increase the polarization of the postsynaptic membrane. (Ch.3) -
ANS✅✅inhibitory
Inhibitory neurotransmitters (do what) ___. (Ch. 3) - ANS✅✅increase the polarization of the
postsynaptic membrane
The neurotransmitter that has the capability of exciting nearly every neuron in the nervous system
and appears to be involved in learning is____. (Ch.3) - ANS✅✅glutamale
GABA is a(n)____(what kind of neurotransmitter) (Ch.3) - ANS✅✅widespread,inhibitory role
The neurotransmitter that regulates anxiety and that is used by about one-third of all the neurons in
the brain is___. ) (Ch.3) - ANS✅✅dopamine
Memory & learning are associated most with which neurotransmitter? (Ch.3) -
ANS✅✅acetylcholine
Chemicals that elevate mood and reduce pain are referred to as ___. (Ch.3) - ANS✅✅endorphins
Narcotics work because they are chemically very similar to ___. (Ch. 3 ) - ANS✅✅endorphins
Basic life processes are in the control of what part of the nervous system? (Ch.3) -
ANS✅✅autonomic nervous system
In an emergency situation, the adrenal glands of the body secrete "emergency" hormones while the
___nervous system prepares the body for fight or flight. (Ch. 3) - ANS✅✅sympathetic
An angry student comes at me with a knife. I take it that they aren't happy with their grade. What
part of the automatic nervous system is involved? (Ch.3) - ANS✅✅sympathetic
