Frage 1
Frage
The nervous system could be defined as ______.
Antworten
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a complex network of wiring and circuits that carries information to and from all parts of the body
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a specialized system that is designed to release neurotransmitters into the bloodstream anywhere in the body
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all nerves and neurons that are not contained in the brain and spinal cord but that run throughout the body itself
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a system of glands, located throughout the body, that secrete hormones and release them into the bloodstream
Frage 2
Frage
A specialized cell found in the nervous system that receives and sends messages within that system is called a __________.
Antworten
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glial cell
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neuron
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cell body
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myelin sheath
Frage 3
Frage
The four parts of every neuron are:
Antworten
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myelin; glia; soma; soma
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dendrite; soma; axon; axon terminals
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glia; dendrite; axon; hormones
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myelin; soma; dendrite; astrocytes
Frage 4
Frage
In neurons, the branchlike structures that receive messages from other neurons are called ______________.
Antworten
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axons
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nerve bundles
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dendrites
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synapses
Frage 5
Frage
Which part of a neuron is attached to the soma and carries messages out to other cells?
Antworten
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soma
-
axons
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dendrite
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cell membrane
Frage 6
Frage
A long structure leaving the cell body that action potentials travel along is called ________.
Antworten
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cell membrane
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denrite
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axon
-
myelin sheath
Frage 7
Frage
neurons that carry information from the senses to the brain and spinal cord are called ______
Antworten
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motor neurons
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interneurons
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sensory neurons
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reflexes
Frage 8
Frage
Mary put her hand on a hot stove. Which neuron is responsible for sending a pain message up her spinal column, where it would then enter into the main area of the cord?
Antworten
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motor neuron
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interneuron
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sensory neuron
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reflex
Frage 9
Frage
A young man reads in a letter that he has just won $1,000 in a state-wide lottery and he literally jumps for joy. Which neurons are sending messages from his brain to his legs ordering them to jump?
Antworten
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sensory neurons
-
motor neurons
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interaction neurons
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association neurons
Frage 10
Frage
When a cell is "at rest," it is in a state called the _______ potential.
Antworten
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stopping
-
occipitation
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resting
-
action
Frage 11
Frage
The state during which a neuron contains more negatively charged ions inside the cell that outside the cell and is not firing is referred to as the ________.
Antworten
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action potential
-
quite potential
-
synaptic potential
-
resting potential
Frage 12
Frage
When the electric potential in a cell is in firing versus and a resting state, this electrical charge reversal is known as the _____________.
Antworten
-
resting potential
-
excitation reaction
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action potential
-
permeable reaction
Frage 13
Frage
"All or none" is the principle stating that ________.
Antworten
-
a neuron either fires or does not fire
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a neuron fires at full strength or not at all
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all the dendrites must be receiving messages telling the neuron to fire or it will not fire all
-
all somas must be receiving messages telling the neuron to fire or it will not fire at all
Frage 14
Frage
Which neurotransmitter is associated with sleep, mood, and appetite
Antworten
-
GABA
-
serotonin
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dopamine
-
acetylcholine
Frage 15
Frage
Pain-controlling chemicals in the body are called _______.
Antworten
-
neural regulators
-
histamines
-
androgens
-
endorphins
Frage 16
Frage
The first major division of the nervous system consists of the;
Antworten
-
central and peripheral nervous systems
-
brain and spinal cord
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somatic and autonomic nervous systems
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sympathetic and parasympathetic nervous systems
Frage 17
Frage
This is a long bundle of nerves that carries messages to the body from the brain and from the brain to the body. It is responsible for very fast reflexes.
Antworten
-
the spinal cord
-
the corpus callosum
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the cerebrum
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the brainstem
Frage 18
Frage
The peripheral nervous system consists of ______.
Antworten
-
all the nerve cells that are outside of the brain and spinal cord
-
all nerves in the brain and the spinal cord
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the spinal cord and autonomic system
-
the brain and autonomic system
Frage 19
Frage
The peripheral nervous system consists of the ________ and the ______ nervous systems.
Frage 20
Frage
The _______ nervous system regulates the muscles over which people have conscious control.
Antworten
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somatic
-
autonomic
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sympathetic
-
parasympathetic
Frage 21
Frage
As she walks out of the living room. Gloriann turns out the light. In this exampl, Gloriann's ________ is active.
Frage 22
Frage
The process of digesting your last snack or meal, or the unconscious regulation of your breathing, are all primarily rooted in the _________ nervous system.
Antworten
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autonomic
-
limbic
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somatic
-
secondary
Frage 23
Frage
The autonomic nervous system is divided into the _______ and the ________ divisions.
Frage 24
Frage
It's midnight and you are alone in your room studying. You hear a loud crash outside your room, and your whole body reacts instantly and furiously. The system that produces these reactions is the _______system.
Antworten
-
central nervous
-
sympathetic nervous
-
parasympathetic nervous
-
limbic
Frage 25
Frage
Calm is to arousal as _______ is to _________.
Frage 26
Frage
The branch of the autonomic nervous system that restores the body to normal functioning after arousal and is responsible for calming you down is called the _____.
Frage 27
Frage
Small metal desks are pasted onto Miranda's scalp and they are connected by wire to the machine that records her brain waves. From this description, it is eident that Miranda's brain is being studied through the use of ________.
Frage 28
Frage
Which of the following is a brain-imaging method in which radioactive dye that attaches to glucose in the brain is injected into a person and computer compiles a color-coded image of the activity of the person's brain?
Antworten
-
electroencephalography (EEG)
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computed tomography (CT)
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positron emission tomography (PET)
-
functional magnetic resonance imaging (fMRI)
Frage 29
Frage
An auto accident rendered Chris's nervous system unable to send messages for him to breathe, so he is on a respirator. Which brain structure was most likely damaged in the accident?
Antworten
-
pons
-
medulla
-
cerebellum
-
reticular formation
Frage 30
Frage
A young woman recovering from a blow to her head finds she has great difficulty maintaining her balance and coordinating her movements. Injury to which part of her brain is likely to be causing her difficulties?
Antworten
-
cerebellum
-
medulla
-
cerebral cortex
-
reticular formation
Frage 31
Frage
Which of the following is a group of several brain structures positioned in the center of the head and involved in learning, emotion, memory, and addiction>
Antworten
-
limbic system
-
cerebellum
-
cerbral cortex
-
cerebrum
Frage 32
Frage
If the limbic system were destroyed, which of the following pairs of structures would be damaged?
Frage 33
Frage
What part of the brain acts as a relay station for incoming sesory information?
Antworten
-
hypothalamus
-
thalamus
-
cerebellum
-
pituitary gland
Frage 34
Frage
Rats that have a damaged _______ would probably show little or no fear when placed next to a cat.
Antworten
-
hippocamus
-
hypothalamus
-
fornix
-
amygdala
Frage 35
Frage
Emily was n an automobile accident and suffered an injury to her brain resulting in difficulty controllin her left arm. What part of Emily's brain was injured?
Antworten
-
left motor cortex
-
right motor cortex
-
corpus callosum
-
somatosensory cortex
Frage 36
Frage
Which of the following lobes are involved in planning, creativity, and movement?
Antworten
-
temporal lobes
-
parietal lobe
-
frontal lobes
-
occipital lobes
Frage 37
Frage
Darla was in an automobile accident that resulted in an injury to her brain. Her sense of touch has been affected. Which lobe of her cerebral cortex is the most likely site of the damage?
Antworten
-
frontal
-
tempora
-
occipital
-
parietal
Frage 38
Frage
Layla has difficulty recognizing spoken words, sometimes experiences memory problems, and occasionally has difficulty controlling her emotions. Which part of the brain is probably experiencing a problem that leads to this combination of symptoms?
Frage 39
Frage
A brain tumor's growth has caused Dick
s vision to suffer. Which lobe of the brain is being affected by the tumor's growth?
Antworten
-
frontal
-
occipital
-
parietal
-
temporal
Frage 40
Frage
Which hemisphere of the cerebral cortex is better at math, logical reasoning, and language tasks?
Frage 41
Frage
The left cerebral hemisphere primarily controls:
Frage 42
Frage
Assume that you are testing a split-brain human subject whose language center is in his left hemisphere. If you place a house key into his left hand, he will.
Antworten
-
not be able to later select the object he was holding from a group of various objects
-
not be able to tell you what objects he is presently holding
-
immediately be able to tell you what he is holding.
-
be able to tell you what he is presently holding if allowed to think about it for several seonds
Frage 43
Frage
A "split brain" patient is asked to stare at a spot on a screen. When a picture of an objet is shown to the left of the spot, the patient can ____________.
Antworten
-
identify the object verbally and pick it out of a group of hidden objects using her right hand
-
identify the object verbally and pick it out of a group of hidden objects using her left hand
-
pick the object out of a group of hidden objects using her left hand, and can identify it by touch
-
pick the object out of a group of hidden objects using her hand, but cannot identify it verbally
Frage 44
Frage
The ability of the brain to change in response to experience or damage it called _______.
Antworten
-
neural plasmosis
-
reticular formation
-
neurogenesis
-
neuroplasticity