Neuron Anatomy and Action Potentials
The receiving center of the neuron.
What are dendrites?
The part of the CNS that interprets and integrates information
What is the brain?
The bundle of spinal nerves branching from the conus medullaris
What is the cauda equina?
The cranial nerve that controls muscles that chew.
What is the trigeminal nerve (CNV)?
A type of neurodegenerative disease that causes problems with memory, behavior and thinking
What is alzheimer's?
Insulation and fast propagation of action potentials down axons.
What is the function of myelin?
The outermost covering of the brain and spinal cord
What is dura mater?
The portion of the spinal cord that carries motor signals
What is the ventral/anterior portion of the spinal cord?
The cranial nerve that allows you to shrug your shoulders
What is the accessory nerve (CNXI)?
Type of stroke that results from an arterial occlusion
What is an ischemic stroke?
There is no flow of ions when a neuron is in this state.
What is resting membrane potential?
Site of CSF production
What is the choroid plexus?
Condition where CSF builds up and the ventricles dilate
What is hydrocephalus?
Disinterest in social contact
What is anhedonia?
Jerky, involuntary movements of the hands, face and/or shoulders
What are chorea?
Ion channels that require a mechanism for regulating open/closed state.
What are active ion channels?
Structure that CSF flows through when leaving the third ventricle
What is the cerebral aqueduct?
The brain lobe that is responsible for emotions
What is the limbic lobe?
Neurotransmitter thought to be low in patients with depression
What is serotonin?
Physical exam test where you ask your patient to smile and raise their eyebrows
What is the facial nerve physical exam test?
Membrane potentials that stay local and move membrane potential toward more negative value
What are IPSPs?
Type of brain hemorrhage where blood is within the brain
What is a cerebral hemorrhage?
The lung response to sympathetic nervous system activation
What is bronchi dilation?
The category of symptom that paranoia in patients with schizophrenia falls under
What are positive symptoms of schizophrenia?
What is the caudate nucleus?