The Name Game
Name the lobes of the brain
Frontal, Parietal, Temporal, Occipital, Insular
Resting membrane potential is typically measured at________.
-70mV
Dendrites>____>Axons
Soma
CN I
Olfactory Nerve
What is a sensation called that is felt in one region of body that is not source of stimulus.
referred pain
junction between two neurons where information is transmitted from one neuron to another
synapse
What ion rushes into the cell during depolarization?
Na +
Spinal cord< _________< Pons< ________
Medulla Oblongata , Midbrain
What are the divisions of the peripheral nervous system?
autonomic and somatic
Pain receptor
nociceptor
Name the part of the cerebral cortex responsible for understanding language.
Wernicke's area
The principle that states, once a threshold (-55mV) has been achieved, an action potential will fire.
all or nothing principle
hypothalamus > infundibulum >__________
pituitary gland
What are the functions of the vestibulocochlear nerve?
hearing and balance
Name the Special Senses
smell, taste, vision, hearing, balance
Glial cells that regulate what substances reach the CNS from the blood, contributing to the blood-brain barrier.
Astrocytes
Moves Na+ and K+ against their concentration gradient with the help of ATP brining neurons back to resting membrane potential after hyperpolarization
Sodium Potassium Pump
When the Na+ channels are inactivated and the cell membrane is insensitive to another action potential
Refractory period
How many pairs of spinal nerves are there?
31
Responds to increased tension on tendon, relaying information on position.
Golgi Tendon Organ (Proprioceptors)
areas of skin that are innervated by a single spinal nerve root
dermatome
What is the position of voltage gated Na+ and K+ channels during hyperpolarization?
closed/closing
LV→ 3rd→______________→ 4th → subarachnoid space + central canal
cerebral aqueduct
Which cranial nerve is responsible for head and shoulder movement?
Accessory Nerve XI
Receptor identifying two-point discrimination: Ability to detect simultaneous stimulations at two points on the skin.
Used to determine texture of objects.
Meissner Corpuscles