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Brain and Behavior
Brian and behavior
196
Psychology
Undergraduate 4
12/12/2007

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Cards

Term
The belief that the mind or spirit exists separately from the body is called
Definition
b. dualism
Term

The western mindset

Definition
d. all of the above
Term
Which of the following is used to calculate the equilibrium potential of a particular ion at a given temperature, charge, and ionic concentration inside and outside the cell
Definition
c. Nernst equation
Term
Which of the following structures provides energy for cellular processes
Definition
d. mitochondria
Term
Only a neuron has which of the following
Definition
b. axon
Term
A multipolar neuron has
Definition

a. one axon and several dendrites

Term
A bipolar neuron has
Definition
d. one axon and one dendrite
Term
What is the resting potential of most mammaliam neurons
Definition
a. -65mV
Term
Large, star shaped glial cells that provide physical and nutritional support to neurons, and that are often observed with an end-foot wrapped around a blood vessel and other cell processes in near contact with a neuron are called
Definition
d. astrocyte
Term
Schwann cells are found in the
Definition
b. peripheral nervous system
Term
When axons are collected together and travel through the brain in a bundle or group, that bundle is called a
Definition
b. tract
Term
At what voltage do sodium channels close and potasium channels open during the generation of an action potential
Definition
b. +50mV
Term
Which of the following factors cause a re-distribution of ions and a resultant electrical charge (resting potential) across the membrane of a resting program
Definition
d. all of the above
Term
Which of the following glia perform the same function but in different parts of the nervous system
Definition
b. schwann cells--oligodendrocytes
Term
A receptor on a post-synaptic membrane
Definition
a. will connect only with a neurotransmitter with a specially shaped molecule
Term
What function do glial cells perform
Definition
d. all of the above
Term
What type of ion is actively removed from the inside of a neuron by an energy consuming pump to establish the resting potential
Definition
b. potassium (K+)
Term
An action potential moves down the axon by
Definition
c. saltatory conduction
Term
In a neuron, the action potential begins at the
Definition
b. axon hillock
Term
Where are the nodes of Ranvier and what occurs there
Definition
c. they are located between the myelin lumps on the axon and are the location of ion channels that open during an action potential
Term
Summation means
Definition
c. the additive effect of both EPSP's and IPSP's resulting in an action potential
Term
The specialized structure at the far end of the axon that releases neurotransmitter is called
Definition
c. synaptic button
Term
The arrival of the action potential at the specialized structure at the end of an axon
Definition
a. causes calcium ionic channels to open and Ca+ to rush into the structure and move vesicles toward the presynaptic membrane
Term
What is the effect of EPSP's and IPSP's on the post-synaptic membrane
Definition
a. EPSP's cause depolarization and IPSP"s cause hyperpolarization
Term
Monoamine oxidase
Definition
a. is a type of neurotransmitter released into the synaptic cleft
Term
Spatial summation is
Definition
b. near simultaneous subthreshold EPSP's over a large area of cellular membrane that together cause an action potential
Term
The usual effect of an axoaxonic connection is
Definition
a. the release of less neurotransmitter
Term
A receptor located on a pre-synaptic membrane that reacts to the neurotransmitter that is released by the pre-synaptic membrane is called
Definition
d. an autoreceptor
Term

An action potential begins

Definition
b. after threshold is achievd, by the summation of IPSP's
Term
A synaptic button may terminate on, or more correctly, near which of the following
Definition
d. all of the above
Term
A gap junction my be a type of
Definition
d. dendrodendritic connection
Term
The gap junction type of synapse
Definition

c. permits the direct exchange of ions between membranes rather than involving the release of a neurotransmitter

Term
Which of the following is correct
Definition
a. Aristotle:  empiricism and inductive reasoning; Socrates and Plato:  deductive reasoning
Term
The absolute refractory period
Definition
c. begins with the opening of Na+ channels and ends with the closing of K+ channels
Term
What is a fasiculus
Definition
a. a number of axons that are tied together with connective tissue and travel from one part of the nervous system to another
Term
What is the name of the structure that contains neurotransmitter in the synaptic button
Definition
d. vesicle
Term

Acetylcholinesterase

Definition
c. is a chemical which breaks down ACh in the synaptic cleft
Term
When depolarization occurs in a neuron, it means
Definition
a. to make the cell less negative
Term
During an action potential, when do K+ channels open
Definition
b. at approximately +50mV, just as Na+ channels are closing
Term
Keeping certain ions and other substances inside of the neuron and others outside is the function of the
Definition
c. semipermeable membrane
Term
Which of the follwoing is a type of neurotransmitter
Definition
d. all of the above
Term
A myelin sheath is formed around which structure
Definition
d. axon
Term
Neurons that have very short axons, usually less than 1mm, are referred to as what type of neuron
Definition
b. Golgi type II
Term
A G-coupled protein is most closely associated with which of the following
Definition
a. metobotropic receptor
Term
Where do psychoactive drugs have an effect on the neuron
Definition
a. at the synapse
Term
Where do psychoactive drugs have an effect on the neuron
Definition
a. at the synapse
Term
Which of the following are substances that may be released by a neuron
Definition
d. all of the above
Term
Muscarinic and nicotenic receptors bind to
Definition
d. acetylcholine
Term
What is the name of the sheath that protects a fasiculus
Definition
b. perineurium
Term
Which of the ions involved in developing and maintaining the resting potential of a neuron are found in greater concentration inside the cell than outside
Definition
c. sodium
Term
What type of receptor is found at the axon hillock and nodes of Ranvier
Definition
c. voltage-gated receptor
Term
The dura matter is the
Definition
a. outer most menige
Term
One of the functions of the ventricles and cerebral spinal fluid
Definition
a. is to absorb shock and lessen the weight (or compression) of the brain
Term
In humans and other mammals the
Definition
c. 4th ventricle is posterior to the 3rd ventricle
Term
The Corpus Callosum is a subpart of which of the following divisions of the brain
Definition
a. cerebrum
Term
Audition and speech primary functions of which portion of the cerebral cortex
Definition
c. temporal lobe
Term

A major function of the limbic system is

Definition
a. generation/control of emotion
Term
Which of the following is the 9th cranial nerve
Definition
b. glossopharyngeal
Term
What part of the body is innervated by the vagus nerve
Definition
a. thoracic and abdominal cavity
Term

The homonculus that lies on the pre-central gryrus of the cortex has very large hands but a very small thigh.  Why?

Definition
b. the number of muscles in the hand is much larger than the number of muscles in the thigh and thus requires more cortical neurons
Term
How many pairs of spinal nerves are there
Definition
d. 31
Term
The ventral roots of each spinal vertebrae contain axons carrying
Definition
c. motor (efferent) information to muscles and glands from the brain and spinal cord
Term
The cell bodies of axons passing through the dorsal root are located in the
Definition
a. dorsal root ganglia
Term
What are the names of the arteries that supply blood to the brain and how many are there
Definition
b. 2 vertebral, 2 carotid
Term
Nerves leave the spinal column at the level of a particular vertebrae to control muscles in a specific area of the body.  This area is called
Definition
c. a myotome
Term

What general cell type carries sensory (afferent) somatosensory information from the body into the spinal cord

Definition
c. unipolar
Term
According to the World Health Organization, at what level or numbered category are the sedative hupnotics and anti-anxiety drugs listed
Definition
a. I
Term
The cell bodies or preganglionic fibers of the sympathetic nervous system are located in the
Definition
d. thoracic and lumbar grey matter
Term
The modern era of drug treatment began in the mid-fifties with the introduction of which drug used to treat schizophrenia
Definition
d. thorazine
Term
Preparation of the body for fighting, fleeing, feeding or mating is primarily in response to stimulation by the
Definition
b. sympathetic nervous system
Term
Which of the following is an antianxiety medication
Definition
b. benzodiazapine
Term
Both pre- and post-ganglionic fibers of the parasympathetic nervous system generally use which neurotransmitter
Definition
d. ACh
Term
A major difference between exocrine glands and endocrine glands is that
Definition
a. exocrine glands have a "duct" and endocrine glands do not
Term
To which part of the pituitary gland are releasing factors delivered via the hypothalamic-hypophyseal portal system
Definition
a. anterior pituitary
Term
The smooth muscle of the body is controlled by
Definition
c. autonomic nervous system
Term
Many endocrine system glands are controlled by a master gland.  This gland is called the
Definition
c. pituitary
Term
The hypophyseal gland is primarily controlled by the
Definition
a. hypothalamus
Term
The pons, medulla, cerebellum, and ARAS are subdivisions of which of the following
Definition
c. hindbrain
Term

Slicing the brain through the midline, dividing it into left and right hemispheres, is called a

Definition
c. sagittal or midsagittal section
Term
Slicing a brain on a plane that is parallel to the face is called a
Definition
a. coronal or transverse section
Term
Parkinson's Disease and Huntington's Chorea result from degeneration in which structure
Definition
c. basal ganglia
Term
The spinal roots filling the lower third of the vertebral column are referred to as the
Definition
c. cauda equina
Term
The hypoglossal nerve is which cranial nerve
Definition
d. 12th
Term

An example of an exocrine gland is

Definition
d. all of the above
Term
The cerebral aqueduct connects the
Definition
c. 3rd and 4th ventricles
Term
The thalamus and hypothalamus are subdivisions of which of the following
Definition
a. forebrain
Term
What is the function of the 8th cranial nerve
Definition
c. carries auditory and vestibulatory information
Term
The automatic, unconscious integrationof complex movement is the function of whichof the following
Definition
d. basal ganglia
Term
According to the US, hallucinogens adn psychedelics are listed in which category
Definition
d. Schedule VII
Term
Which structure transfers information from one hemisphere to the other hemisphere
Definition
a. corpus callosum
Term
In which structure would be found a nucleus of cells that maintains arousal, thus preventing sleep
Definition
b. reticular activating system
Term
Which structure integrates visual information with attention
Definition
c. superior colliculus
Term
Electrical stimulation of specific areas of the hypothalamus in the cat may produce which of the following
Definition
d. all of the above
Term
Stimulation by which of the following will cause an increase in heart rate, increased respiration, a rise in blood sugar, dilation of blood vessels in peripheral muscles
Definition
d. sympathetic system
Term
The hippocampus, amygdala, septum, and anterior thalamic nuclei are some of the parts of which of the following
Definition
c. limbic system
Term
Caudate nucleus, putamen, and globus pallidus are subparts of which of the following
Definition
b. basal ganglia
Term
Color information is transduced by what type of receptor cell
Definition
d. cones
Term
In the retina there are approximately
Definition
b. 120 million rods and 6 million cones
Term
The dark current refers to
Definition
a. the constant flow of Na+ into and out of the visual receptor cell in total darkness resulting in maximum output to bipolar cells
Term
A photon of light striking a molecule of rhodopsin results in which of the following
Definition
b. 11-cis retinal straightening out and causing opsin to break off
Term

What is the functional purpose of the Dark Current

Definition
d. all of the above
Term
What is the function fo the iris
Definition
d. all of the above
Term
Which of the following produces an action potential
Definition
c. ganglion cells
Term
The Young-Helmholtz theory postulates that
Definition
c. color vision is derived from three different types of cones with each cone most sensitive to a particular wavelength
Term
Visual bipolar cells
Definition
a. can be "off" type or "on" type
Term
Visual bipolar cells
Definition

c. have receptive fields that are either center-off, surround on or center-on, surround off

Term
A definate counter balance (no output) resulting from light simultaneously striking both center and surround portions of a visual receptive field, tonic rsponse, sensitivity to stationary stimuli but not moving stikuli, and a small receptive field describes which of the following
Definition
c. X cells
Term
Y cells respond best to
Definition
a. fast moving edges or lines
Term
Which of the following structures receive visual information from the retina
Definition

d. all of the above

Term
Hypercomplex cells differ from simple and complex cells because they respond to
Definition
c. moving lines or edges that have ends
Term
What is the significance of columnar organization of simple cells in striate cortex
Definition
b. adjacent columns respond to lines or edges that are of slightly different orientation or angle (about 10 degrees)
Term
The pitch of a sound is measured in
Definition
a. cycles per second or hertz
Term
The ossicles refer to the
Definition
c. malleus, incus, and stapes
Term
Tonotopic representation refers to the
Definition
a. spatial arrangement of frequencies on the basilar membrane and auditory cortex that correspond to a specific pitch
Term
Which of the following is the correct order of structures through which auditory information passes on its way to the perceptual areas of the brain
Definition
cochlea, cochlear nucleus, superior olivary nucleus, inferior colliculus, medial geniculate nucleus, temporal cortex
Term
What is the function of hair cells
Definition
a. receptor cell for transducing auditory information into an electrical potential
Term
Twenty to eighty onion-like layers wrapped around a somatosensory receptor cell that transduces pressure information is referred to as what type of cutaneous receptor
Definition
c. Pacinian corpuscle
Term
The Trichromatic Theory was proposed by
Definition
a. Helmholtz
Term
Which of the following is the correct primary visual pathway
Definition
b. retina--optic chiasm--lateral geniculate nucleus--strate cortex
Term
Shearing or bending force applied to the cilia of the hair cell
Definition
a. causes a change in receptor cell membrane potential
Term
The soma or afferent bipolar cells of the auditory system are located in
Definition
b. dorsal or ventral cochlear nuclei
Term
The cell bodies of unipolar cells of the somatosensory system are located in the
Definition
b. dorsal root ganglia
Term
Somatosensory information ascends through the brain via which pathway
Definition
d. lemniscal, spino-thalamic, spinal-reticulo-thalamic
Term
Sensory information regarding pain and probably temperature ascends through the brain via which pathway
Definition
b. spinothalamic
Term
Thermoreceptors in the skin are probably
Definition
c. free nerve endings
Term
Which of the following is the correct order of structures through which the lemniscal system passes
Definition
a. dorsal root ganglia, dorsal column nuclei, dorsal columns, medial lemniscus, ventral posterior nucleus,  post-central gyrus
Term
Decussation or crossover to the opposite side occurs at what level in the lemniscal and spinothalamic systems
Definition

b. both decussate at the level of the medulla or

c. the lemniscal system at the level of the medulla, the spinothalamic immediately upon entering the spinal cord

Term
Reduced vasculature (number of blood vessels), high concentration of cones, and high image resolution describes which retinal structure
Definition
d. fovea
Term
The temporal cortex is the primary intergration/perception site of which of the following
Definition
b. audition
Term
How many known basic qualities of taste are there in humans
Definition
b. 4
Term
Which quality of taste is found on the tip of the tongue
Definition
a. sweetness
Term
Which type of papillae is found on the anterior portion of the tongue
Definition
c. fungiform
Term
Current theory postulates that the perception of sourness is generated by
Definition
a. acids and hydrogen ion binding
Term
Gustatory axons synapse first in which of the following structures
Definition
b. nucleus of the solitary tract
Term
There are approximately how many taste receptor cells per taste bud
Definition
c. 50-150
Term
Where do olfactory receptor cells synapse first
Definition
b. glomeruli
Term
Which structure is associated with detection of phermones
Definition
d. vomeronasal system
Term
Which of the following is primary olfactory cortex
Definition
c. pyriform cortex of the limbic lobe
Term
The function of the round window in the cochlea is to
Definition
b. permit fluid in the cochlea to surge back and forth in response to membrane movement of the oval window
Term
The umami receptor detects which of the following
Definition
c. glutamate
Term
Receptors for bitterness are located on which portion of the tongue
Definition
d. on the medial posterior portion of the tongue
Term
Receptors for saltiness are located on which portion of the tongue
Definition
c. on the sides of the tongue
Term
Glabrous skin is
Definition
c. skin without hair on it
Term
Which type of cell connects to ganglion cells on a one to one basis (1:1)
Definition
a. inner hair cell
Term
Who proposed the Opponent-process Model in vision
Definition
a. Hering
Term
Which of the following statements is true, and is a system found only in primates
Definition
d. parvocellular system--perception of color and fine detail
Term
Available empirical evidence indicates which of the following is true
Definition
b. the endogenous circadian rhythm in humas is approximately 24.7 hours
Term
EEG activity in the 8-12 cps frequency range is called
Definition
c. alpha waves
Term

Atonia, desynchronized beta activity, and sympathetic nervous system arousal characterizes which type of sleep

Definition
d. REM sleep
Term
Eighty-five to ninety percent of all dreaming takes place in which stage of sleep
Definition
a. REM
Term
Which of the following is true with regard to sleep
Definition
c. the first half of the night is characterized by long periods of stage 4 and short periods of REM and the second half is short stage 4 and long REM
Term
Which of the following is located in the pons, produces norepinephrine, and promotes arousal in the brain
Definition
b. locus coerulus
Term
Which of the following is located anterior to the hypothalamus and promotes sleep
Definition
a. venterolateral preoptic area (VLPA)
Term
Brief, phasic bursts of electrical activity originating in the pons that travel to the lateral geniculate nucleus and then to the occipital lobe
Definition
d. all of the above
Term
Atonia is
Definition
d. all of the above
Term
Brief, irresistable, recurrent attacks of sleep during normal awake hours that may be caused by inactivity is called
Definition
c. narcolepsy
Term
Which of the following may cause a person to partially wake-up tens to hundreds of times during a sleep period, interfereing with the normal stages and cycles of sleep, and thus produce a sleep disorder
Definition
b. obstructive apnea
Term
Which part of the brain produces the circadian rhythm
Definition
a. suprachiasmatic nucleus
Term
What is the zeitgeber that controls the production and release of melatonin
Definition
b. light
Term
Stage four sleep is characterized by
Definition
c. a predominance of delta waves and high wave amplitude
Term
When does sleep walking occur
Definition
b. non-REM sleep
Term

In which brain structure was long term potentiation first demonstrated to exist

Definition
c. hippocampus
Term
Physical changes that collectively constitue the engram are located where
Definition
c. at the level of the synapse in many brain areas
Term
Which of the following was the first to postulate the reverberating circuit
Definition
a. Hebb
Term
The discovery of LTP in the brain was significant because
Definition
b. it demonstrated the probable existence of the reverberating circuit
Term
Which neurotransmitters are known to be involved in LTP
Definition
a. glutamate and GABA
Term
What is the significance of the reverberating circuit concept and the discovery of LTP
Definition
c. it demonstrated the existence of a real physical process that could permit consolidation and the formation of long term memories
Term
Consolidation refers to
Definition
a. a process leading to physical changes in neurons that result in the formation of a long term memory
Term
Karl Lashley found that the more cortex that was removed, the greater the deficit in memory for a previously learned maze.  However, maze learning was relatively unaffected by removal of cortex from any one area of the brain.   These findings
Definition
b. supported the concept of equipotentiality
Term
During long term potentiation what is the significance or function of the NMDA receptor
Definition

a. controls the entrance of calcium into the post-synaptic membrane

Term
What is the function of calpain during LTP
Definition
b. breaks down spectrin causing the dendritic spine to shorten
Term
What is the significance of the shortening of the dendritic spine length during LTP
Definition
a. allows the post-synaptic membrane to more easily become depolarized and thus increases the probability that the post-synaptic neuron will fire
Term
The cerebellum is probably most involved in which type of learning
Definition
b. classical conditioning and fine muscle control
Term
The hippocampus appears to be most involved in or important for
Definition
c. forming new declarative memories
Term
Research has demonstrated a possible role for nitric oxide in learning. It's probable function is
Definition
a. a feedback mechanism from post-synaptic to pre-synaptic membrane resulting in the release of more neurotransmitter
Term
H.M. developed a learning disability as a result of brain surgery to relieve severe seizures.  Which part of his brain was removed or damaged?
Definition
a. temporal stem and hippocampus
Term

What type of lerning disability did H.M. develop

Definition
b. anterograde amnesia
Term
Severe prolonged vitamin B1 deficiency, often the result of alcohol addiction, may result in learning/memory problems.  this disorder is called
Definition
b. Korsakoff's syndrome
Term
Alzheimer's disease involves the destruction of which brain structure
Definition
b. nucleus basalis of Meynert
Term
The Parallel Distributed Processing network model suggests that the engram for a particular memory
Definition
c. is a functional circuit or interconnected group of neurons in many different brain locations that collectively form a pattern
Term
What type of ion normally blocks a NMDA receptor
Definition
b. magnesium
Term
What causes the ejection of the ion blocking the NMDA receptor
Definition

b. glutamate binding to an AMPA receptor which depolarizes the membrane and forces the ejection of the ion

Term
Physical trauma to the brain may cause retrograde amnesia because
Definition
b. it interferes with consolidation/disrupts the engram
Term
The production of which neurotransmitter is first and most seriously affected in Alzheimer's disease
Definition
a. ACh
Term
Humans and other mammals are
Definition
b. homeothermic
Term
Which part of the brain is most responsible for regulating body temperature
Definition
a. preoptic area
Term
Baroreceptors are used for detecting changes for
Definition
hypovolemic thirst
Term
What part of the brain is the principle location for detecting blood changes that lead to osmotic thirst
Definition
b. OVLT
Term
Which of the following is the correct order of chemical events leading to the perception of hypovolemic thirst
Definition
b. renin + angiotensisnogen--aniotensin I--angiotensin II
Term
What purpose does the lateral preoptic area of the hypothalamus serve
Definition
receives input from the OVLT and creates the conscious perception of thirst
Term
Which structure releases the hormone renin
Definition
a. kidney
Term
Which type of thirst relates to the amount of solutes or substances in the blood system
Definition
a. osmotic thirst
Term
From your text, if sodium reserves in the body are low, aldosterone is produced.  What effect does this have on your body
Definition
b. causes kidneys, salivary glands, sweat glands to conserve salt
Term
Where are baroreceptors found
Definition
c. large veins returning blood to the heart
Term
Damage to which brain structure may result in loss of a type of learning called classical conditioning
Definition
b. amygdala
Term

Which structure releases melatonin to synchronize the circadian rhythm produced by a second brain structure

Definition
b. pineal gland
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