Function
respond to stimuli and transmit signals
How many clasifications of glial cells exist?
6
the CNS is divided in:
brain ans spine
The sympathetic division relaxes the body
false
3 types of vascular disorders:
CVA or stroke, thrombosis and aneurysm.
transmit signals from the exterior to the spine or brain. Most are UNIPOLAR
Sensory neurons
Function
provide support, nutrition, insulation, and help with signal transmission in the nervous system
main function of the CNS
integration output
12 pairs of craneal nerves and 31 pairs of spinal nerves
Dysthymia
mild form of depression that is triggered by a serious event and lasts for several months to years
Interneurons:
impulses that associate sensory and motor neurons. Mostly MULTIPOLAR
support and regulate ions
Astrocytes
lobes of the brain
sympathetic and parasympathetic
Enlist 3 sleep disturbances
Insomnia, Narcolepsy and Sleep apnea
Parts of the neuron
Schwann cells function:
insulate, help form myelin sheath
The temporal lobe is superior and anterior to the frontal lobe? T or F, justify your answer
false; its located posterior and inferior
describe the PNS divisions
PNS:
Sensory and MOTOR.
MOTOR: sym. and parasym.
characterized by depression with episodes of mania, a state of elation, which may include agitation, hyperexcitability, or hyperactivity.
Bipolar disorder
3 characteristics of neurons:
Longest-lived cells in your body, amitotic and huge appetite
Location and function of oligodendrocytes
wrap and insulate, form myelin sheath; in the CNS
most common types of neurons in the CNS
multipolar
5 actions that the nerves regulate:
enlist 5 behavioral disorders and a brief definition.
Anxiety is a feeling of fear, worry, uneasiness, or dread; characterized by chronic excessive and uncontrollable worry about various life circumstances
Panic disorder is a form of anxiety disorder marked by episodes of intense fear
A phobia is an extreme, persistent fear of a specific object or situation.
Obsessive-compulsive disorder (OCD) is a condition marked by recurrent thoughts or images that are persistent and intrusive.
Attention deficit–hyperactivity disorder (ADHD) is difficult to diagnose because many of its symptoms overlap or coexist with other behavioral disorders