15501314
Descripción
Test por Ashley Berg, actualizado hace más de 1 año
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Creado por Ashley Berg
hace alrededor de 6 años
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Pregunta 1
Pregunta
The nervous system could be defined as ______.
Respuesta
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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
Pregunta 2
Pregunta
A specialized cell found in the nervous system that receives and sends messages within that system is called a __________.
Respuesta
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glial cell
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neuron
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cell body
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myelin sheath
Pregunta 3
Pregunta
The four parts of every neuron are:
Respuesta
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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
Pregunta 4
Pregunta
In neurons, the branchlike structures that receive messages from other neurons are called ______________.
Respuesta
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axons
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nerve bundles
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dendrites
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synapses
Pregunta 5
Pregunta
Which part of a neuron is attached to the soma and carries messages out to other cells?
Respuesta
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soma
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axons
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dendrite
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cell membrane
Pregunta 6
Pregunta
A long structure leaving the cell body that action potentials travel along is called ________.
Respuesta
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cell membrane
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denrite
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axon
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myelin sheath
Pregunta 7
Pregunta
neurons that carry information from the senses to the brain and spinal cord are called ______
Respuesta
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motor neurons
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interneurons
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sensory neurons
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reflexes
Pregunta 8
Pregunta
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?
Respuesta
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motor neuron
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interneuron
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sensory neuron
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reflex
Pregunta 9
Pregunta
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?
Respuesta
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sensory neurons
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motor neurons
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interaction neurons
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association neurons
Pregunta 10
Pregunta
When a cell is "at rest," it is in a state called the _______ potential.
Respuesta
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stopping
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occipitation
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resting
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action
Pregunta 11
Pregunta
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 ________.
Respuesta
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action potential
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quite potential
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synaptic potential
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resting potential
Pregunta 12
Pregunta
When the electric potential in a cell is in firing versus and a resting state, this electrical charge reversal is known as the _____________.
Respuesta
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resting potential
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excitation reaction
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action potential
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permeable reaction
Pregunta 13
Pregunta
"All or none" is the principle stating that ________.
Respuesta
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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
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all somas must be receiving messages telling the neuron to fire or it will not fire at all
Pregunta 14
Pregunta
Which neurotransmitter is associated with sleep, mood, and appetite
Respuesta
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GABA
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serotonin
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dopamine
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acetylcholine
Pregunta 15
Pregunta
Pain-controlling chemicals in the body are called _______.
Respuesta
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neural regulators
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histamines
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androgens
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endorphins
Pregunta 16
Pregunta
The first major division of the nervous system consists of the;
Respuesta
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central and peripheral nervous systems
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brain and spinal cord
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somatic and autonomic nervous systems
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sympathetic and parasympathetic nervous systems
Pregunta 17
Pregunta
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.
Respuesta
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the spinal cord
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the corpus callosum
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the cerebrum
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the brainstem
Pregunta 18
Pregunta
The peripheral nervous system consists of ______.
Respuesta
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all the nerve cells that are outside of the brain and spinal cord
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all nerves in the brain and the spinal cord
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the spinal cord and autonomic system
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the brain and autonomic system
Pregunta 19
Pregunta
The peripheral nervous system consists of the ________ and the ______ nervous systems.
Respuesta
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autonomic; somatic
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autonomic; sympathetic
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parasympathetic; somatic
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parasympathetic; sympathetic
Pregunta 20
Pregunta
The _______ nervous system regulates the muscles over which people have conscious control.
Respuesta
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somatic
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autonomic
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sympathetic
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parasympathetic
Pregunta 21
Pregunta
As she walks out of the living room. Gloriann turns out the light. In this exampl, Gloriann's ________ is active.
Respuesta
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sympathetic nervous system
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parasympathetic nervous system
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autonomic nervous system
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somatic nervous system
Pregunta 22
Pregunta
The process of digesting your last snack or meal, or the unconscious regulation of your breathing, are all primarily rooted in the _________ nervous system.
Respuesta
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autonomic
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limbic
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somatic
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secondary
Pregunta 23
Pregunta
The autonomic nervous system is divided into the _______ and the ________ divisions.
Respuesta
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central; peripheral
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sympathetic; parsympathetic
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sensory; motor
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limbic; endocrine
Pregunta 24
Pregunta
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.
Respuesta
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central nervous
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sympathetic nervous
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parasympathetic nervous
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limbic
Pregunta 25
Pregunta
Calm is to arousal as _______ is to _________.
Respuesta
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parasympathetic; sympathetic
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autonomic; motor
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sympathetic; parasympathetic
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central; peripheral
Pregunta 26
Pregunta
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 _____.
Respuesta
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spinal cord
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somatic nervous system
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sympathetic nervous system
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parasympathetic nervous sytem
Pregunta 27
Pregunta
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 ________.
Respuesta
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a CT scan
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functional magnetic resonance imaging
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a microelectrode
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an electroencephalograph
Pregunta 28
Pregunta
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?
Respuesta
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electroencephalography (EEG)
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computed tomography (CT)
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positron emission tomography (PET)
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functional magnetic resonance imaging (fMRI)
Pregunta 29
Pregunta
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?
Respuesta
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pons
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medulla
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cerebellum
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reticular formation
Pregunta 30
Pregunta
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?
Respuesta
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cerebellum
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medulla
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cerebral cortex
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reticular formation
Pregunta 31
Pregunta
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>
Respuesta
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limbic system
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cerebellum
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cerbral cortex
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cerebrum
Pregunta 32
Pregunta
If the limbic system were destroyed, which of the following pairs of structures would be damaged?
Respuesta
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cerebellum and corpus callosum
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cerebellum and amygdala
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amygdala and hippocampus
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hippocampus and corpus callosum
Pregunta 33
Pregunta
What part of the brain acts as a relay station for incoming sesory information?
Respuesta
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hypothalamus
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thalamus
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cerebellum
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pituitary gland
Pregunta 34
Pregunta
Rats that have a damaged _______ would probably show little or no fear when placed next to a cat.
Respuesta
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hippocamus
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hypothalamus
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fornix
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amygdala
Pregunta 35
Pregunta
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?
Respuesta
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left motor cortex
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right motor cortex
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corpus callosum
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somatosensory cortex
Pregunta 36
Pregunta
Which of the following lobes are involved in planning, creativity, and movement?
Respuesta
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temporal lobes
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parietal lobe
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frontal lobes
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occipital lobes
Pregunta 37
Pregunta
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?
Respuesta
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frontal
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tempora
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occipital
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parietal
Pregunta 38
Pregunta
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?
Respuesta
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the prefrontal cortex
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the anterior parietal lobe
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the right occipital lobe
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the left temporal lobe
Pregunta 39
Pregunta
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?
Respuesta
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frontal
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occipital
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parietal
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temporal
Pregunta 40
Pregunta
Which hemisphere of the cerebral cortex is better at math, logical reasoning, and language tasks?
Respuesta
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front
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rear
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left
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right
Pregunta 41
Pregunta
The left cerebral hemisphere primarily controls:
Respuesta
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the right side of the body
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the left side of the body
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all motor functions
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the spatial reasoning
Pregunta 42
Pregunta
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.
Respuesta
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not be able to later select the object he was holding from a group of various objects
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not be able to tell you what objects he is presently holding
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immediately be able to tell you what he is holding.
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be able to tell you what he is presently holding if allowed to think about it for several seonds
Pregunta 43
Pregunta
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 ____________.
Respuesta
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identify the object verbally and pick it out of a group of hidden objects using her right hand
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identify the object verbally and pick it out of a group of hidden objects using her left hand
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pick the object out of a group of hidden objects using her left hand, and can identify it by touch
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pick the object out of a group of hidden objects using her hand, but cannot identify it verbally
Pregunta 44
Pregunta
The ability of the brain to change in response to experience or damage it called _______.
Respuesta
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neural plasmosis
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reticular formation
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neurogenesis
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neuroplasticity
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