How can we help?

You can also find more resources in our Help Center.

28 terms

the nervous system 1

STUDY
PLAY
the simplest kind of reflex arc is a;
two-neuron arc
the 3 neuron arc are;
sensory, inter, and motor neuron.
impulse conduction in a reflex arc normally starts in the;
receptors.
a _____ is the response to impulse conduction over reflex arcs.
reflex
a ___is a group of nerve-cells bodies located in the peripheral nervous system.
ganglion
all___lie entirely within the gray matter of CNS.
interneurons.
in a patella reflex, the nerve impulses that reach the quadriceps muscle (the effector) results in the classic______ _____response.
knee jerk.
_____ ______ forms the H-shaped inner core of the spinal cord.
gray matter.
_____ _____ do not continually race along every nerve cell's surface.
nerve impulses
the portion of the brainstem that joins the spinal cord to the brain is the;
medulla
functions of the brainstem;
conducts sensory impulses from the spinal cord to brain, motor impulses from cerebrum to spinal cord, controls heartbeat, R, and blood vessel diameter.
part of the diencephalon;
the thalamus, pituitary gland and third ventricle gray matter.
ADH is produced by the;
hypothalamus
the hypothalamus controls ;
heart rate, constrition and dilation of blood vessels, contraction of stomach and intestines, produces hormones that controls the release of certain anterior pituitary hormones.
what part of the brain helps in association of sensations w/emotions, as well as aiding in the arousal or alerting mechanism?
thalamus
the area of the cerebrum responsible for the perception of sounds lies in the______lobe.
temporal
visual perception is located in the ____lobe.
occipal
hemiplegia
paralysis of one side of the brain.
used to visualize blood flow in the brain;
spect
inherited disease characterized by chorea
huntington disease
cranial nerves
12 pairs, vagus and optic
spinal nerves
31 pairs, dermatome, shingles, C1, plexus.
autonomic nervous system
regulates body's involuntary functions.
autonomic neurons
motor neurons that make up the ANS
preganglionic neurons
conduct impulses between the spinal cord and a ganglion
visceral effectors
tissues to which autonomic neurons conductimpulses
SYMPATHETIC NERVOUS SYSTEM
Division of ANS
somatic nervous system
voluntary actions