WorksheetsNeuroscience: Nerve Impulses and Functions
Total questions: 78
Worksheet time: 1hrs 10mins
The part of the PNS that controls involuntary actions
autonomic nervous system
somatic nervous system
organic nervous system
reflexive nervous system
What is the peripheral nervous system (PNS) made of?
brain and spinal cord
brain and cranial nerves
spinal cord and spinal nerves
cranial nerves and spinal nerves
Somatic nervous system controls ___________, whereas the autonomic nervous system controls ___________.
skeletal muscles; visceral organs
brain and spinal cord; spinal and cranial nerves
visceral organs; skeletal muscles
spinal and cranial nerves; brain and spinal cord
The part of the brain that is for balance and coordination
cerebrum
brainstem
cerebellum
corpus callosum
How are efferent nerves best described?
Nerves that originate in the periphery and carry signals to the spinal cord
Nerves that originate in the brain and carry signals to the spinals cord
Nerves that originate in the periphery and carry signals to the brain
Nerves that originate in the central nervous system and carry signals to the periphery
A dog is startled by a gunshot. Which of the following sympathetic effects are most likely to occur?
Constriction of the pupils, increased heart rate, and urination
Dilation of the pupils, increased heart rate, and urination
Dilation of the pupils, increased heart rate, and lack of urination
Constriction of the pupils, decreased heart rate, and lack of urination
The neurotransmitter norepinephrine stimulates fight or flight reactions in what system?
Parasympathetic system
Sensory neuron system
Somatic motor neuron system
Sympathetic system
Where is the autonomic division of the nervous system found?
As a part of the peripheral nervous system
As a part of the central nervous system
In the spinal cord
In the brain
The autonomic nervous system is divided into what branches?
Somatic and sympathetic branches
Somatic and parasympathetic branches
Sympathetic and parasympathetic branches
Sympathetic and sensory branches
The speed of neural conduction between neurons will result in difficulties in speaking, vision, and balance if the ________________ insulating the axons is damaged or removed.
Axon
Myelin Sheath
Nucleus
Brain
The _________________ , or involuntary nervous system
controls actions such as heart rate and digestion that occurs
without you having to think about it.
autonomic nervous system
somatic nervous system
The _______________, or voluntary nervous system controls
voluntary action and reflexes.
autonomic nervous system
somatic nervous system
Neurotransmitters are released from the
Dendrites
Post-synaptic neuron
Presynaptic neuron
Axon terminal
What generates a nerve impulse on the post-synaptic membrane (dendrite)?
Calcium binding with a receptor site
Potassium leaking into the post-synaptic membrane
Neurotransmitter binding with receptor sites on protein channel
Neurotransmitter being removed from the synapse
What happens when a neurotransmitter binds to a protein channel on the dendrite?
sodium leaks into the dendrite, increasing the membrane potential
calcium leaks into the dendrite, increasing the membrane potential
potassium leaks into the dendrite, decreasing the membrane potential
neurotransmitters leaks into the dendrite
Calcium ions are responsible for.....
signaling the release of the neurotransmitter
signaling Na+ to be released into the membrane
signaling the release of K+ out of the membrane
serving as the neurotransmitter
Which of the following events corresponds to number 1 on the diagram?
Neurotransmitter binds to receptors on the post-synaptic neuron's membrane
Nerve impulse arrives in the pre-synaptic nerve ending
calcium channels in the plasma membrane open (calcium ions enter the pre-synaptic neuron)
Sodium ion channels open in the pots-synaptic neuron
Which of the following events corresponds to number 2 on the diagram?
Sodium ions flood into post-synaptic neuron, depolarize the resting potential and nerve impulse is created.
Vesicles of neurotransmitter fuse with the membrane of the pre-synaptic axon ending
Calcium channels in the plasma membrane open (calcium ions enter the pre-synaptic neuron)
Sodium ion channels open in the pots-synaptic neuron
Which of the following event corresponds to number 3 on the diagram?
Sodium ion channels open in the pots-synaptic neuron
Neurotransmitter binds to receptors on the post-synaptic neuron's membrane
Sodium ions flood into post-synaptic neuron, depolarize the resting potential and nerve impulse is created.
Vesicles of neurotransmitter fuse with the membrane of the pre-synaptic axon ending
Which of the following event corresponds to number 4 on the diagram?
Vesicles of neurotransmitter fuse with the membrane of the pre-synaptic axon ending
Neurotransmitter binds to receptors on the post-synaptic neuron's membrane
Sodium ion channels open in the pots-synaptic neuron
Nerve impulse arrives in the pre-synaptic nerve ending
Which of the following event corresponds to number 5 on the diagram?
Fused vesicles release the neurotransmitter chemical into the synaptic cleft
Calcium channels in the plasma membrane open (calcium ions enter the pre-synaptic neuron)
Sodium ions flood into post-synaptic neuron
The neurotransmitter diffuses across the synaptic cleft
Which of the following event corresponds to number 6 on the diagram?
Depolarization of the resting potential in the post-synaptic neuron and nerve impulse is created.
The neurotransmitter diffuses across the synaptic cleft
Sodium ion channels open in the pots-synaptic neuron
Nerve impulse arrives in the pre-synaptic nerve ending
Action potential refers to
a very positive charge inside and outside of the neuron
a very negative charge inside and outside of the neuron
a change of charge between the inside and outside of the neuron
action outside the membrane that cause the neuron's membrane to close all its pores
Which of the following gate opens during depolarization
Na+ gates
K+ gates
Na+/K+ pump
H+ pump
Which type of neuron conveys messages from your brain and spinal cord to your muscles in order to control your body's movements?
Interneuron
Sensory
Endocrine
Motor
Associative
A man is startled and notices his heart rate has increased. Which nervous system was activated?
Central nervous system
Somatic nervous system
Sympathetic nervous system
Parasympathetic nervous system
Brain
During what phase of neural transmission does the neuron "take a break" from all activity immediately after firing?
Action potential
Resting potential
All-or-none response
Refractory period
Terminal Action
What function is the somatic nervous system responsible for?
Carrying motor messages and sensory information to and from the nervous system
Receiving motor messages and sensory information from the autonomic nervous system
Processing information from the other parts of the nervous system
Mobilizing the body in times of activation
Restoring the body back to a resting state
Action potential refers to
a very positive charge inside and outside of the neuron
a very negative charge inside and outside of the neuron
a change of charge between the inside and outside of the neuron
action outside the membrane that cause the neuron's membrane to close all its pores
Which of the following gate opens during repolarization
Na+ gates and Na+/K+ pump
K+ gates and Na+/K+ pump
Na + and K+ gates
Na+ gates only
What is the most important factor required to maintain membrane potential
A reactive sodium pore
The sodium potassium pump
The release of neurotransmitters at the synaptic terminal
the the movement of water from high to low concentrations over the neuron's membrane
Which of the following can be observed during the 2nd period of the graph?
K+ gates open
Na+ gates open
Na+/K+ pump opens
Na+ and K+ gates open
When a neuron is at REST,
the inside of the neuron is negatively charged compared to the outside.
the inside of the neuron is positively charged compared to the outside.
there is no charge difference established
none of these is true
Which statement about neurotransmitters is true?
Neurotransmitters are produced by glands and they are transported to nerve cells through the bloodstream.
Neurotransmitters transmit nerve impulses from one neurone to another neurone.
Neurotransmitters are produced and released by dendrites.
Neurotransmitters are produced only at the motor neurone.
Short term memory
Frontal
Temporal
Parietal
Occipital
Processing sound
Frontal
Temporal
Parietal
Occipital
Learning
Frontal
Temporal
Parietal
Occipital
If someone were to have a stroke and lose their ability to speak. Which lobe of the brain is affected?
Occipital
Frontal
Temporal
Parietal
This part of the the brain is an area last to develop. It is responsible for analyzing information making good decisions.
Parietal
Temporal
Occipital
Frontal
Which lobe of the brain will recognize places?
Frontal
Parietal
Temporal
Occipital
Which part of our brain do we rely on for problem solving?
Parietal
Temporal
Occipital
Frontal
Which part of the brain allows us to recall or remember information?
Frontal
Parietal
Temporal
Occipital
Damage to the brain at the ____ lobe may cause visual problems.
Parietal
Frontal
Temporal
Occipital
Which lobe of the brain do we rely on to understand our location in directions?
Frontal
Occipital
Parietal
Temporal
Damage to the _____ lobe may affect our ability to hear sounds.
Parietal
Frontal
Occiptial
Temporal
Which part of our brain do we rely on for problem solving?
Parietal
Temporal
Occipital
Frontal
