Lecture Exam 4 Flashcards
What does the nervous system do?
Collects info, process and evaluate info, and respond to info
From a list identify which structure is not apart of the nervous system?
Brain and spinal cord, nerves and ganglia
What do astrocytes do?
Helps form the blood brain barrier, regulates tissue fluid composition, provides structural support and organization to CNS, Replaces damaged neurons, Assists with neuronal development, helps regulate synaptic transmission, change synapse numbers
Which neuralgia cells produce myelin in the CNS?
Oligodendrocytes
The epharent division of the PNS does what?
Transmits impulses from the CNS out to the peripheral organs
Smooth muscle, cardiac muscle, and glands are the target of which part of the nervous system?
Autonomic motor component, or visceral motor system
Cells that produce for cells outside of the brain and spinal cord are what?
Ogliodendrocytes
A communicating neuron that communicates with the cell body of another neuron is said to be what?
Synapse
What is not found in the gray matter of the CNS?
- What is in the CNS - motor neurons, Inter neuron cells, dendrites, terminal arborizations and un myelinated axons.
What is an autoimmune disorder that causes demyelination of the neurons in the CNS?
Multiple sclerosis
Sensory info entering the spinal cord does so through which structures?
Dorsal roots and spinal nerves
The pre central gyrus of the brain is responsible for initiating ______ impulses while the post central gyrus is responsible for interpreting _______ info and the anatomical nature of the gyri is that they are ____ in the cerebral cortex?
Motor, sensory ,lateral
Which is not apart of the diacepalon?
- is apart of it is epithalamus, thalamus, and hypothalamus
Of the brain ventricles listed below the ____ are the largest, the specialized tissue in the ventricles of the brain is known as ____ and is responsible for producing ______ ?
Lateral ventricles, choroid plexus, cerebral spinal fluid
What are the functions of producing CFS?
Buoyancy, protections, environmental stability
The entire peripheral nervous has _____ nerve trunks arising from it?
31
Placing sugar on a patients tongue is a great way to test the functions of which cranial nerve?
Facial nerve
The most important nerve of the cervical plexus is the ___ due to its innervation of the diaphragm origination from cervical spinal levels of _______ ?
Phrenic nerve, C3- C5
The brachial plexus supplies _____ , the nerve in the middle of the m is the ____?
Upper limbs, median nerve
The endocrine functions much like the nervous system except its actions tend to be what?
Slower and longer lasting
The special sensory organ of visions is _____ , info about vision is carried in what nerve?
Eyes, Optic nerve II
The special sensory organ for taste is the tongue _______ on the tongue contains the neurons who’s axons will carry information taste to the Inter cranial nerve?
Gustatory cells
The ______ gland is know as the master gland of the endocrine system?
Pituitary gland
Exocrine secretes products into what?
Ducts, bloodstream
Where is the thyroid gland located?
On the trachea
