The gray matter of the cerebrum forms a surface layer called____and deeper masses called_____surrounded by white matter.
Cerebrospinal fluid (CSF) serves these purpose except....
to provide oxygen and nutrients to the nervous tissue.
CSF is secreted by the choroid plexus in the_____ventricles and reabsorbed by arachnoid villi in the_____.
lateral, third and fourth; superior sagittal sinus
A patient is experiencing a high fever, stiff neck, drowsiness and intense ha's. A spinal tap showed bacteria and WBC in the CSF. This individual most likely has...
The_____function(s) in visual attention, such as to look and follow the flight of a butterfly.
Degeneration of neurons in this structure, which inhibits unwanted body movements, leads to the muscle tremors of Parkinson's disease.
Loss of equilibrium and motor coordination would most likely be related to a lesion in the...
Planning, motivation and social judgment are functions of the brain associated with
the frontal lobe.
During rapid eye movement (REM) sleep...
the muscles are paralyzed, and body temperature, blood pressure, and heart and respiratory rates increase.
The________association area is responsible for perceiving and attending to stimuli, and the____association area is responsible for identifying them.
Short term memory is associated with the____, whereas the long-term memory is associated with the....
hippocampus; cerebral cortex
Nonfluent aphasia, due to a lesion in the____,results in slow speech, difficulty in choosing words, or use of words that only approximate the correct word.
After a stroke a patient complains about lack of sensitivity in her rt hand. The stroke most likely affected the.....
postcentral gyrus in the left parietal lobe.
This is the largest of the cranial nerves and the most important sensory nerve of the face.
The trigeminal nerve (V)
This nerve innervates most of the viscera in the thoracic and abdominopelvic cavities.
The vagus nerve (X).
The autonomic nervous system controls all of the following except the....
skeletal muscle in the rectus abdominis.
Autonomic nervous system fibers are involved in all of the following except....
maintaining tonicity of the muscles of the neck.
Which one of the following best describes the order of a visceral reflex?
sensory receptor-> afferent nerve fiber-> interneuron-> efferent nerve fiber-> gland
The effect of autonomic fibers on target cells is____, and/whereas the effect of somatic fibers is____.
excitatory or inhibitory; always excitatory
In response to high blood pressure, stretch receptors called____ in the walls of arteries carrying blood to the head will trigger a reflex that causes the heart to_____its beats per minute.
Preganglionic fibers of the autonomic efferent pathway are____and secrete______.
myelinated; acetylcholine (ACh)
White rami carry_____neurons, while gray rami carry_____neurons
myelinated preganglionic ; unmyelinated postganglionic
Sympathetic effects tend to last_____than parasympathetic effects. One reason is that______.
longer; acetylcholine can diffuse into the bloodstream without being broken down
A neuron that synapses in the adrenal medulla is a______neuron, and releases the neurotransmitter______.
preganglionic; acetylcholine (ACh)
Drugs that MAO inhibitors would most likely
decrease the amount of NE destroyed and may be used as an antidepressant.
A possible explanation for the effect of caffeine is that it blocks the receptor for a neuromodulator in the brain called____, which inhibits ACh release by cholinergic neurons.