Biological Psychology (Neural Transmission)
Neural Transmission Quiz
Test your knowledge of biological psychology and neural transmission with this engaging quiz! Dive into the fascinating world of neurons, neurotransmitters, and nervous system fun
Whether you're a student, educator, or simply a curious mind, this quiz is designed to challenge you with questions about:
- Neurons and their fun
ctions - Action potentials
- Nervous system components
- Neurotransmitters and their roles
A received neural impulse travels from the___________into the cell body and then down the__________?
Axon, dendrite
Soma,dendrite
Myelin sheath, axon
Dendrite, axon
Efferent nerves are associated with__________functions, whereas afferent nerves are associated with_________functions
External, internal
Internal, external
Motor, sensory
Sensory, motor
Fat containing cells that surround the axon of some neurons_________
Slow down the rate of transmission
Speed up the rate of transmission
Receive messages from other neurons
Are the site of neurotransmitter production
Which system is responsible for preparing a hiker to act quickly when she sees a bear run onto the path in front of her?
Efferent neurons
Central nervous system
Sympathetic nervous system
Parasympathetic nervous system
Under what conditions does an axon produce an action potential?
Whenever the membrane is hyperpolarized
Whenever the membrane is depolarized
Whenever the membrane’s potential reaches the threshold
Whenever the membrane’s potential reaches zero
If a membrane is depolarized to twice its threshold, what happens?
The neuron produces the same action potential it would at the threshold.
The neuron produces an action potential that travels twice as fast as usual.
The neuron produces an action potential slightly stronger and slightly faster than usual.
The neuron produces an action potential at twice as much strength as usual.
What is most distinctive about neurons, compared to other cells?
Their temperature
Their shape
Their color
Their internal components, such as ribosomes and mitochondria
Which of the following is a function of microglia?
Microglia build myelin sheaths that surround and insulate axons
Microglia remove dead cells, viruses, and weak synapses
Microglia synchronize activity for a group of neurons.
Microglia dilate blood vessels to increase blood supply to active brain areas.
When a neuron is hyperpolarized, it __________.
Cannot respond to new stimuli
Becomes more sensitive to new stimuli
Responds as normal and is not affected at all
None of the above
Once a gated channel is open, positive ions will enter through the channels to get inside the neuron. Which of the following can cause the gated channels to open?
Stimulus
Impulse
Action potential
Neurons
Once a gated channel is open, positive ions will enter through the channels to get inside the neuron. Which of the following can cause the gated channels to open?
Impulse
Stimulus
Resting potential
Trigger
Which of the following would be the best and most accurate way of describing an action potential?
If there are enough stimuli, the sodium ion channels (gates) will open only in the dendrite area. There have to be additional stimuli to get the channels to open in the axon area.
If there are enough stimuli, the sodium ion changes (gates) will open in succession all the way down an axon.
If there are enough stimuli, the sodium ion channels (gates) will open all at the same time within the axon.
If there are enough stimuli, the potassium ion changes (gates) will open in succession all way down the axon
Which of the following statements is FALSE?
If the stimulus reaches the threshold level, depolarization will occur.
If the stimulus does not reach the threshold level, depolarization will not occur.
If the stimulus almost reaches the threshold level, depolarization will only occur half way down the axon.
What is the most common inhibitory neurotransmitter in the brain?
Dopamine
Gamma-aminobutyric acid(GABA)
Glycine
Glutamate
How do neurons communicate with one another?
Electrically
Chemically
Through weak, radio-wave like impulses
A and B
Each neuron is separated from the next by a gap called syntax
True
False
Excitation
Has no effect on the neighbouring neuron
Makes it less likely the neighbouring neuron will fire
Bypasses the neighbouring neuron
Makes it more likely the neighbouring neuron will fire
Name the ion that is pumped into the axon to maintain resting potential
Calcium
Hydrogen
Potassium
Sodium
When a neuron is depolarized, what are the first channels to open?
Sodium
Potassium
Calcium
ACTH
Which system is engaged while relaxing after a large meal
Parasympathetic
Sympathetic
Central nervous system
Spinal cord
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