Test 1 Flashcards
Second order postganglionic neurons of the autonomic nervous system are located in
Autonomic ganglia
Postganglionic axons of autonomic neurons are usually
Unmyelinated
The division of the owner of gnomic nervous system that maintains homeostasis during rest and conditions is the what division
Parasympathetic
Preganglionic neurons of the sympathetic nervous system are located in the
Lateral grey horns of segments T1 two L2 of the spinal cord
Groups of second order sympathetic neurons lying a long either side of the spinal cord are called what ganglia
Chain
Groups of second order neurons that innervate organs in the abdominopelvic region are called what ganglia
Collateral
Specialized second order neurons of the sympathetic nervous system that release neurotransmitters into the bloodstream are located in the what
Adrenal glands
Preganglionic fibers of the sympathetic nervous system that carry motor impulses to target in the body wall or thoracic cavity synapses in a what
Chain ganglion
Nerves that innervate organs in the ventral body cavities are the what nerves
Autonomic
Each of the following effects is associated with the action of postganglionic sympathetic fibers except what
Decrease heart rate
The celiac ganglion innervates the what
The stomach liver and pancreas
Sympathetic innervation of the urinary bladder and six organs is by way of what
Inferior mesenteric ganglion
How many sympathetic collateral ganglia are located in the abdominal cavity
Three
Preganglionic fibers of parasympathetic neurons can be found in all the following cranial nerves except
Cranial nerve twelve
About 75% of all parasympathetic outflow travels along the what
Vagus nerve
Postganglionic neurons in the adrenal gland do what
They released seven different into blood capillaries
Neurons of the sympathetic branch of the autonomic nervous system release the Nerotransmitter what at their effectors
Norepinephrine
Normal control of the diameter of the respiratory passages depends upon what
Both parasympathetic and sympathetic levels of stimulation
A decrease in the autonomic tone of the smooth muscle and blood vessels would result in what
In an increase in vessel diameter
The brain waves produced by normal adults while resting that with her eyes closed are what waves
Alpha
The brain waves that are characteristic of children and frustrated adults are what waves
Theta
The brain waves that are characteristics of a newborn infant or what waves
Delta
Olfactory glands
Produce a pigmented mucus that covers the olfactory epithelium
The mucus that covers the olfactory epithelium does all the following except that it
Dissolves in water chemicals and removed him from the area
Olfaction occurs when
A molecule bond to the surface of an olfactory cilium
The only non-example of neuronal replacement in the adult human involves the
Olfactory receptors
Gustatory receptors are located where
All the surface of the tongue
There are how many primary taste sensations
Four
The largest number of taste buds in an adult are associated with what
Circumvallate papillae
All of the following are true of the fibrous tunic of the art except that it does what
Produces vitreous but not a aqueous humor
All of the following are true of the vascular Tunica the eye except that it
Contains pain receptors
The palpebrae
Cover and protect the eye
A Chalazion is what
A cyst that results from the infection of a meibomian gland
The lining of the visible outer surface of the eye is the what
Call junk TV
The transparent portion of the eye is the what
Cornea
The pigmented portion of the eye is the what
Iris
The central opening in the other light passes through is the what
Pupil