Nervous System
_______ neurons carry signals away from the central nervous system
Motor/Efferent
What are the two components of the CNS?
Brain and Spinal Cord
What are the two divisions of the PNS
Autonomic and Somatic
This is a key neurotransmitter at the motor end plate
This is the outer most brain covering
dura matter
The myelination of neurons in the PNS is carried out by what type of cell?
Schwann Cells
This type of tissue contains myelinated cells
white matter
The sympathetic chain stems from what part of the spinal cord?
Thoracolumbar
This muscle extends the forearm
triceps brachi
the spinal nerves are considered to be a part of this division of the nervous system
peripheral nervous system
This is considered to be a motor speech area that we discussed in class.
Broca's area
Csf is produced by what cells?
Ependymal cells in choroid plexuses
This muscle controls the flexion of head; forward rotation of head; elevates sternum
Sternocleidomastoid
This neurotransmitter is primarily a part of the sympathetic nervous system
norepinephrine
The release of what ion is triggered by the arrival of an action potential at the synaptic terminal?
Ca2+
diffusing away, breakdown by enzymes, or reabsorption into the presynaptic cells are all ways to....
remove a neurotransmitter
The adrenal medulla secretes what two hormones and in what respective percentages?
Norepinephrine (20%), Epinephrine (80%)
This muscle elevates mandible, chewing
Masseter
This system has its autonomic ganglion is closest to the spinal cord
sympathetic nervous system
This region of the brainstem is involved in blood pressure and heart rate control, as well as swallowing, coughing, vomiting, sneezing, hiccupping
Medulla oblongata
This cranial nerve is involved in hearing and equilibrium.
Vestibulocochlear (VIII)
What body regulation mechanism, important for the regulation of body temperature, receives only sympathetic innervation?
Blood Vessel Regulation
This muscle elevates the eyebrows and create forehead wrinkles, wiggling the eyebrows
Frontalis
This reflex causes relaxation of the muscle attached to the stimulated tendon
Tendon Reflex