Nervous system
What are the 2 main parts of the nervous system?
CNS and PNS
what is responsible for restoring the ion concentration back to the resting potential that Moves Na+ and K+ against their concentration gradients using ATP
sodium potassium pump
What is the liquid produced by the ventricles and its function
Cerebrospinal fluid (CSF) floats and bathes the brain
Which gland is responsible for modulating sleep wake cycles
Pineal gland
What are the 2 main types of reflexes? which of the two types is naturally occurring with no interneuron
Stretch and withdrawal, stretch is naturally occurring with no interneuron
What are the 3 stages of information processing?
Sensory input, integration, motor output
What is it called when the inside of the membrane becomes more +ve by the binding of ligand-gated Na ion channels?
Depolarization
The third and fourth ventricle are connected via
Cerebral Aqueduct
What type of nerve function does the vestibulocochlear nerve have
Sensory nerve function
What are the 3 main types of neurons in a reflex arc?
Sensory neuron, interneuron, and motor neuron
which part of the nervous system is referred to as the communication line
Peripheral nervous system (PNS)
When the cell cannot have another action potential this period is called what?
Refractory period
What are the 3 components to the brain stem?
Midbrain, Pons and Medulla oblongata
Function OF VESTIBULOCOCCHLEAR Nerve
Function is hearing and balance
Which of the lobes is responsible for thinking and memory
Frontal lobe
where nucleus and other organelles are located is called
Cell body or Soma
What is it called when the inside of the membrane becomes more -ve by the binding of ligand-gated K ion channels?
Repolarization
The white matter of the cerebellum is called?
Arbor Vitae
State one of the cranial nerves involved in eye movement
Occulomotor (III), Trochlear (IV) and Abducens (VI)
Connective tissue membrane that surround and protect the brain and spinal cord are called?
Meninges
What part of the neuron carries information to the cell body
Dendrites
Site of action potential is referred to as?
Nodes of Ranvier
What does the corpus callosum do?
Connects two cerebral hemispheres and communicates between the 2
What is cranial nerve I and its function?
Olfactory, function is smell
The neuron sending the signal to another neuron is called
Pre-synaptic neuron