WGU C100 INTRODUCTION TO HUMANITIES 2024
NEWEST EXAM 2 VERSIONS AND PRACTICE QUESTIONS
ACTUAL 450 EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT) /ALREADY GRADE
A+
Postsynaptic potentials are a type of - ANSWER: graded potential.
Which electrically charged molecule is an anion? - ANSWER: Chloride
Which presynaptic events are presented in correct chronological order? - ANSWER:
Action potential reaches axon terminal, calcium ion channels open, vesicles fuse with
membrane, diffusion of neurotransmitter
The absolute refractory period refers to the brief period of time - ANSWER: after a
neuron has fired an action potential during which the same neuron cannot fire
another action potential.
At the peak of the action potential, the axonal membrane approaches the
equilibrium potential for - ANSWER: Na+
A ligand of the acetylcholine receptor is a substance that - ANSWER: binds to it.
Which statement about event-related potentials (ERPs) is false? - ANSWER: They are
not yet reliable enough to use for clinical diagnoses.
Norepinephrine and dopamine are examples of transmitters whose synaptic activity
is terminated by - ANSWER: reuptake
The temporary hyperpolarization that occurs at the end of the action potential is
caused by the - ANSWER: slower closing of the K + channels.
The resting membrane potential is - ANSWER: partially established by the uneven
distribution of ions across the membrane.
Upon reaching the threshold for an action potential, the next step in its generation is
the opening of _______ channels. - ANSWER: Na +
_______ seizures do not involve the entire brain. - ANSWER: Complex partial
When a person stops what they are doing and stares into space, they most likely are
having a _______ seizure. - ANSWER: simple partial
The term "hyperpolarization" refers to - ANSWER: an increase in membrane
potential, away from 0 mV.
,Which type of connection has the greatest influence on the activity of the
postsynaptic axon? - ANSWER: Axo-axonic synapses
Which statement about glial cells is false? - ANSWER: They are found outside the
nervous system.
The most common type of neuron in vertebrates is the _______ neuron. - ANSWER:
multipolar
Which type of cell is responsible for myelination within the central nervous system? -
ANSWER: Oligodendrocytes
Which structure is ventral to the hypothalamus? - ANSWER: Pons
A researcher wants to know which brain region(s) is/are active when a person is
listening to music. What would be the imaging technique of choice for this type of
research? - ANSWER: fMRI (functional magnetic resonance imaging)
The two cerebral hemispheres are connected by - ANSWER: the corpus callosum.
Which of the following is not part of the limbic system? - ANSWER: Putamen
The pons is a structure within the - ANSWER: hindbrain
Moving from the base of the brain to the tailbone, what are the respective segments
of the spinal cord to which spinal nerves attach? - ANSWER: Cervical, thoracic,
lumbar, sacral, coccygeal
The temporal lobe is separated from the frontal and parietal lobes by the - ANSWER:
Sylvian fissure.
What kind of information is carried by the ventral roots of the spinal cord? -
ANSWER: Motor information to muscles
The basal ganglia are particularly implicated in - ANSWER: movement
The neuron doctrine stipulates that neurons - ANSWER: are not continuous with one
another.
Which neuroanatomical method provides an outline of an entire neuronal cell body,
allowing measurement of cell body size and density? - ANSWER: Nissl stain
The brain and spinal cord are wrapped in protective membranes known collectively
as the - ANSWER: meninges
, The notion of dualism as proposed by Descartes stated that - ANSWER: humans have
a nonmaterial soul and a material body that are not the same.
The measurable co-occurrence of a behavior and somatic change is a - ANSWER:
correlation
Which question reflects a perspective from the field of evolutionary psychology? -
ANSWER: How does wing span affect attraction to the opposite sex in birds?
Which statement is true? - ANSWER: If half of the brain of a child is removed, the
child will still develop normal intelligence.
Which protocol is an example of a correlation study? - ANSWER: Measuring the
extent of brain abnormalities in people with schizophrenia
Scientific explanations usually involve analysis on a simpler or more basic level of
organization than that of the structure or function to be explained. This approach is
known as - ANSWER: reductionism
The term "somatic intervention" is used to describe - ANSWER: research procedures
that alter the structure or function of the body.
Galen's views about the bodily origins of behavior were based on his observations of
- ANSWER: the effects of head injuries in gladiators.
The ability of the brain in development and in adulthood to be changed by
experience is called - ANSWER: neuroplasticity
If you were to pick one person diagnosed with an anxiety disorder from a random
sample, what are the chances they suffer from depression as well? - ANSWER: 25%
Which list represents the correct order of prevalence for neurological disorders in
the U.S. from highest to lowest? - ANSWER: Stroke, Alzheimer's disease, epilepsy,
head and spinal cord trauma, Parkinson's disease
Which statement is false? - ANSWER: People are either "right-brained" or "left-
brained."
The process by which an individual changes in the course of its lifetime is called -
ANSWER: ontogeny
Which research question would best provide answers to the problem of
consciousness? - ANSWER: Can we localize a particular pattern of brain activity that,
when activated, consistently produces a novel subjective experience across subjects?
An experiment in which a chimp's brain activity is mapped following exposure to a
particular visual stimulus is an example of a - ANSWER: behavioral intervention.
NEWEST EXAM 2 VERSIONS AND PRACTICE QUESTIONS
ACTUAL 450 EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT) /ALREADY GRADE
A+
Postsynaptic potentials are a type of - ANSWER: graded potential.
Which electrically charged molecule is an anion? - ANSWER: Chloride
Which presynaptic events are presented in correct chronological order? - ANSWER:
Action potential reaches axon terminal, calcium ion channels open, vesicles fuse with
membrane, diffusion of neurotransmitter
The absolute refractory period refers to the brief period of time - ANSWER: after a
neuron has fired an action potential during which the same neuron cannot fire
another action potential.
At the peak of the action potential, the axonal membrane approaches the
equilibrium potential for - ANSWER: Na+
A ligand of the acetylcholine receptor is a substance that - ANSWER: binds to it.
Which statement about event-related potentials (ERPs) is false? - ANSWER: They are
not yet reliable enough to use for clinical diagnoses.
Norepinephrine and dopamine are examples of transmitters whose synaptic activity
is terminated by - ANSWER: reuptake
The temporary hyperpolarization that occurs at the end of the action potential is
caused by the - ANSWER: slower closing of the K + channels.
The resting membrane potential is - ANSWER: partially established by the uneven
distribution of ions across the membrane.
Upon reaching the threshold for an action potential, the next step in its generation is
the opening of _______ channels. - ANSWER: Na +
_______ seizures do not involve the entire brain. - ANSWER: Complex partial
When a person stops what they are doing and stares into space, they most likely are
having a _______ seizure. - ANSWER: simple partial
The term "hyperpolarization" refers to - ANSWER: an increase in membrane
potential, away from 0 mV.
,Which type of connection has the greatest influence on the activity of the
postsynaptic axon? - ANSWER: Axo-axonic synapses
Which statement about glial cells is false? - ANSWER: They are found outside the
nervous system.
The most common type of neuron in vertebrates is the _______ neuron. - ANSWER:
multipolar
Which type of cell is responsible for myelination within the central nervous system? -
ANSWER: Oligodendrocytes
Which structure is ventral to the hypothalamus? - ANSWER: Pons
A researcher wants to know which brain region(s) is/are active when a person is
listening to music. What would be the imaging technique of choice for this type of
research? - ANSWER: fMRI (functional magnetic resonance imaging)
The two cerebral hemispheres are connected by - ANSWER: the corpus callosum.
Which of the following is not part of the limbic system? - ANSWER: Putamen
The pons is a structure within the - ANSWER: hindbrain
Moving from the base of the brain to the tailbone, what are the respective segments
of the spinal cord to which spinal nerves attach? - ANSWER: Cervical, thoracic,
lumbar, sacral, coccygeal
The temporal lobe is separated from the frontal and parietal lobes by the - ANSWER:
Sylvian fissure.
What kind of information is carried by the ventral roots of the spinal cord? -
ANSWER: Motor information to muscles
The basal ganglia are particularly implicated in - ANSWER: movement
The neuron doctrine stipulates that neurons - ANSWER: are not continuous with one
another.
Which neuroanatomical method provides an outline of an entire neuronal cell body,
allowing measurement of cell body size and density? - ANSWER: Nissl stain
The brain and spinal cord are wrapped in protective membranes known collectively
as the - ANSWER: meninges
, The notion of dualism as proposed by Descartes stated that - ANSWER: humans have
a nonmaterial soul and a material body that are not the same.
The measurable co-occurrence of a behavior and somatic change is a - ANSWER:
correlation
Which question reflects a perspective from the field of evolutionary psychology? -
ANSWER: How does wing span affect attraction to the opposite sex in birds?
Which statement is true? - ANSWER: If half of the brain of a child is removed, the
child will still develop normal intelligence.
Which protocol is an example of a correlation study? - ANSWER: Measuring the
extent of brain abnormalities in people with schizophrenia
Scientific explanations usually involve analysis on a simpler or more basic level of
organization than that of the structure or function to be explained. This approach is
known as - ANSWER: reductionism
The term "somatic intervention" is used to describe - ANSWER: research procedures
that alter the structure or function of the body.
Galen's views about the bodily origins of behavior were based on his observations of
- ANSWER: the effects of head injuries in gladiators.
The ability of the brain in development and in adulthood to be changed by
experience is called - ANSWER: neuroplasticity
If you were to pick one person diagnosed with an anxiety disorder from a random
sample, what are the chances they suffer from depression as well? - ANSWER: 25%
Which list represents the correct order of prevalence for neurological disorders in
the U.S. from highest to lowest? - ANSWER: Stroke, Alzheimer's disease, epilepsy,
head and spinal cord trauma, Parkinson's disease
Which statement is false? - ANSWER: People are either "right-brained" or "left-
brained."
The process by which an individual changes in the course of its lifetime is called -
ANSWER: ontogeny
Which research question would best provide answers to the problem of
consciousness? - ANSWER: Can we localize a particular pattern of brain activity that,
when activated, consistently produces a novel subjective experience across subjects?
An experiment in which a chimp's brain activity is mapped following exposure to a
particular visual stimulus is an example of a - ANSWER: behavioral intervention.
