Psychology 002 - Biological Psychology » Fall 2021 » Neurons Quiz
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Question #1
After a neuron fires, its sodium channels close and the neuron cannot fire during that time. The neuron has become ____________.
A.
excited
B.
refractory
C.
overstimulated
D.
depolarized
Question #2
What are the gaps in the myelin sheath on an axon known as?
A.
glia cells
B.
synaptic cleft
C.
dendrites
D.
nodes of Ranvier
Question #3
Max saw that his friend was approaching and he lifted his arm to wave at her. What type of neuron moved his hand?
A.
neurotransmitter
B.
motor neuron
C.
interneuron
D.
sensory neuron
Question #4
Robert's neuron in the motor cortex of his brain helps his legs move. The neuron has several dendrites so that it can receive input from many sources. What type of neuron is this?
A.
ionotropic neuron
B.
anion neuron
C.
multipolar neuron
D.
excitatory postsynaptic neuron
Question #5
The action potential in the chef's neuron was able to quickly travel from one node of Ranvier to the next so that she could move her arm away from the hot stove. What is this type of rapid transmission known as?
A.
salutatory conduction
B.
electrostatic pressure
C.
diffusion
D.
neurotransmission
Question #6
Potassium (K+) ions and Sodium (Na+) ions repel each other due to
A.
membrane potentials
B.
diffusion
C.
electrostatic pressure
D.
salutatory conduction
Question #7
The three major parts of the neuron are the dendrites, axon, and ___________.
A.
soma
B.
synapse
C.
cell wall
D.
reuptake
Question #8
Other than electrostatic pressure, what force helps maintain a neuron's charge of -70mV at rest?
A.
salutatory conduction
B.
diffusion
C.
friction
D.
gravity
Question #9
Before they travel across the synapse to bind with receptors on the postsynaptic membrane, chemical messengers are stored in what location on the presynaptic membrane?
A.
axons
B.
synaptic vesicles
C.
ionotropes
D.
nodes of Ranvier
Question #10
What type of neuron initiates physical movement and allows people to move through the world?
A.
sensory neuron
B.
neurotransmitter
C.
interneuron
D.
motor neuron
Question #11
When a neuron is not conducting an electrical message, it has a charge of -70mV known as its
A.
excitation threshold
B.
electrostatic pressure
C.
resting membrane potential
D.
extracellular voltage
Question #12
What part of the neuron receives input in the form of chemical stimuli?
A.
terminal buttons
B.
soma
C.
dendrites
D.
axon
Question #13
What is the name for the voltage at which no ions flow in or out of a neuron?
A.
threshold of excitation
B.
action potential
C.
electrostatic pressure
D.
equilibrium potential
Question #14
Chlorine (Cl-) is what type of ion?
A.
anion
B.
cation
C.
unipolar ion
D.
bipolar ion
Question #15
Communication between neurons is accomplished using what type of energy?
A.
chemical
B.
frictional
C.
electrical
D.
magnetic
Question #16
Maritza saw that the softball was coming toward her, so she moved her hand to catch it. What neuron helped process the ball's visual image and plan the appropriate hand movement to catch it?
A.
sensory neuron
B.
motor neuron
C.
presynaptic neuron
D.
interneuron
Question #17
What type of signal directs the synaptic vesicles to release their neurotransmitters into the synapse?
A.
chemical
B.
repeated
C.
intense
D.
electrical
Question #18
A.
neurotransmission
B.
electrostatic pressure
C.
diffusion
D.
salutatory conduction
Question #19
Emily's brain released the neurotransmitter GABA, which reduced her nerve's chance of reaching its threshold of excitation. What type of molecule is GABA?
A.
excitatory postsynaptic potential
B.
refractory postsynaptic potential
C.
inhibitory postsynaptic potential
D.
postsynaptic action potential
Question #20
Some of Stefan's neurons died as they aged. What type of cell helped digest their remains?
A.
synaptic cells
B.
glial cells
C.
cation cells
D.
receptor cells
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