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Terms in this set (40)
The mind-body problem
a.) remains unanswered; b.) asks about the nature of the mind and the body; c.) was originally posed by philosophers; d.) raises issues about the nature of consciousness; e.) all of the above
A physiological psychologist would be most comfortable with which of the following statements
Everything is made of matter and energy
Carlson suggests that a key aspect of human consciousness is related to
our ability to communicate to others via language
An important function of the corpus collosum is to
interconnect the cerebral hemispheres
In most persons, the left hemisphere of the brain
controls speech
The principle of natural selection proposes that certain characteristics will become more prevalent in a species to the extent that these
increase the likelihood that an organism will successfully reproduce
________ are physicians trained to diagnose and to treat diseases of the central nervous system
neurologists
_______ neurons gather information from the environment related to light, odors, and bodily contact with objects
sensory
______ neurons function to contract muscles
motor
The _____ is comprised of the brain and spinal cord
central nervous system
_______ are located entirely within the central nervous system
relay interneurons and local neurons
The common structures or regions that form a neuron include the
a.) soma; b.) axon; c.) terminal buttons; d.) dendrites; e.) all of the above
The portion of a neuron that carries a signal toward the cell body is the
dendrite
The physical gap between two nerve cells across which messages are transmitted is the
synapse
Which of the following are true regarding the action potential (AP)?
a.) the AP is a brief electrical signal; b.) the AP is an all-or-none signal; c.) the AP is always of the same amplitude and duration in a given cell; d.) the AP is carried along the axon membrane; d.) all of the above
Which type of nerve cells usually transmit sensory information?
bipolar and unipolar
Which of the following is NOT a function of a glial cell?
the conduction of action potentials
The _______ are important for the process of myelination of nerve axon membranes in the brain
ogliodendrocytes
Activation of cells within the area postrema would be predicted to produce
feeling of nausea and vomiting
Which of the following represents the normal order of activation in neuronal transmission?
dendrite--> cell body--> axon --> terminal button
The interior of a neuron at rest
is negatively charged relative to the outside
Movement of the axon membrane potential from -70mV to -90mV would be termed a(n)
depolarization
The membrane voltage level at which an action potential is triggered is termed the
threshold of excitation
An electrical charge applied to an axon that moves the membrane potential from -70mV to +45mV will result in a(n)
action potential
The process by which molecules are evenly distributed throughout a medium is
diffusion
The process by which similarly charged particles repel each other and are thus distributed throughout a medium is termed
electrostatic pressure
In a resting nerve cell, which of the forces listed below will act to push sodium ions into the cell?
diffusion and electrostatic pressure
Sensory stimuli that vary in intensity are coded by variations in the _____ of a neuron
firing rate
Ions enter and leave the membrane of a myelinated axon at the
nodes of Ranvier
Saltatory conduction is rapid because
the action potential does not have to depolarize every segment of the axon membrane
A synapse can involve a junction between an axon terminal and a(n)
dendrite, soma, and axon
Synaptic vesicles are produced in the ____ and transported to the _____
soma; axon terminal
A key event for the release of neurotransmitter from the presynaptic membrane is the
arrival of an action potential at the axon terminal
Match up the receptor type with its action
metabotropic; G-protein activation leads to activation of a 2nd messenger
Match up the receptor type with its action
ionotropic; direct opening of an ion channel
Which of the following will produce an EPSP?
opening a sodium channel
An auto receptor is located on the _____ and is sensitive to the ______
presynaptic membrane; the transmitter released by that neuron
The process which terminates the postsynaptic potentials induced by most neurotransmitters is
reuptake of the molecule into the axon terminal
The process which termites the postsynaptic potentials induces by acetylcholine is
enzymatic degradation via AChE
A drug that inactivated AChE would be expected to
prolong the effects of ACh in the synapse
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Verified questionsQUESTION
Many people prefer meat that is 80 percent lean instead of 20 percent fat, even though they are the same thing. Which concept is being used when the same information is presented in a more desirable way? a. Intuition. b. Insight. c. Framing. d. Overconfidence. e. Perseverance.
Verified answer
QUESTION
Which of the following is an example of an animal using concepts? a. A parrot identifies the number and color of objects. b. A dog identifies the scent of her owner . c . A parrot learns to say phrases . d . A dog fetches a thrown stick. e. A parrot quiets when the cover is put over his cage at night .
Verified answer
QUESTION
Olivia and Jackson plan to get married next year. This significant life event will allow them to achieve Erikson's stage of a. competence. b. generativity. c. intimacy. d. identity. e. integrity.
Verified answer
QUESTION
Which of the following theories offers a special focus on the potential for healthy personal growth? a. Neo-Freudian. b. Psychodynamic. c. Humanistic. d. Behavioral. e. Functionalist.
Verified answer
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