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Test sobre Unit Two Review- Chapter 2, creado por Ashley Berg el 04/10/2018.

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Unit Two Review- Chapter 2

Pregunta 1 de 35

1

_______ receive information from other neurons; ___________ transmit information to other neurons.

Selecciona una de las siguientes respuestas posibles:

  • Axons; synapses

  • Dendrites; axons

  • Synapses; dendrites

  • Axons; dendrites

Explicación

Pregunta 2 de 35

1

Leonard's mother became dehydrated during a recent illness, and the levels of sodium in her body were significantly reduced. If enough sodium was lost you might expect that

Selecciona una de las siguientes respuestas posibles:

  • her nervous system would become highly activated and action potentials would be generated continuously

  • fewer action potentials would occur in her nervous system

  • more neurotransmitters would be produced in her terminal buttons

  • glial cells would start to degenerate and die

Explicación

Pregunta 3 de 35

1

Action potentials

Selecciona una de las siguientes respuestas posibles:

  • are stronger when the incoming stimulation is more intense

  • are seldom strong enough to reach the terminal buttons

  • travel more slowly if the incoming stimulation is less intense

  • are generated in an all-or-nothing fashion

Explicación

Pregunta 4 de 35

1

Fiona puts her hands into a sink full of lukewarm water, Luke puts his hands into a sink full of ice-cold water. Based on what is known about neural transmission you could predict that the action potentials will

Selecciona una de las siguientes respuestas posibles:

  • travel more quickly in Luke's system because the stimulus is more intense.

  • be weaker in Fiona's system because the stimulus is less intense

  • be the same in both individuals due to the all-or-nothing principle

  • travel a shorter distance in Luke's system because the stimulus is more intense

Explicación

Pregunta 5 de 35

1

Neurotransmitters are stored in

Selecciona una de las siguientes respuestas posibles:

  • mitochondria

  • synaptic vesicles

  • dendrites

  • nacelles

Explicación

Pregunta 6 de 35

1

An electric potential that increases the likelihood that the postsynaptic neuron will fire is called an

Selecciona una de las siguientes respuestas posibles:

  • all-or-nothing

  • inhibitory postsynaptic potential

  • excitatory postsynaptic potential

  • excitatory presynaptic potential

Explicación

Pregunta 7 de 35

1

Which of the following is the correct sequence of steps through which neurotransmitters progress during synaptic transmission?

Selecciona una de las siguientes respuestas posibles:

  • synthesis, release, binding, inactivation, reuptake

  • release, synthesis, binding, reuptake, inactivation

  • binding, synthesis, release, inactivation, reuptake

  • synthesis, binding, release, reuptake, inactivation

Explicación

Pregunta 8 de 35

1

When a neurotransmitter is released, but it does not fit into a suitable receptor channel on the postsynaptic neuron

Selecciona una de las siguientes respuestas posibles:

  • an inhibitory postsynaptic potential will be generated

  • an excitatory post synaptic potential will be generated

  • the strength of the action potential in the presynaptic neuron will increase

  • the firing potential of the postsynaptic neuron will not be affected

Explicación

Pregunta 9 de 35

1

A good analogy for the way in which a neurotransmitter binds to receptor sites is

Selecciona una de las siguientes respuestas posibles:

  • the opening and closing of a window

  • a key fitting in the lock of a door

  • the lowering of a drawbridge

  • the pulling of the trigger of a gun

Explicación

Pregunta 10 de 35

1

A family of chemicals produced in the body that resemble the opiates are the

Selecciona una de las siguientes respuestas posibles:

  • endorphins

  • dopamines

  • biogenic amines

  • acetylcholines

Explicación

Pregunta 11 de 35

1

Which of the following has been implicated in pain alleviation?

Selecciona una de las siguientes respuestas posibles:

  • dopamine

  • endorphins

  • acetylcholine

  • norepinephrine

Explicación

Pregunta 12 de 35

1

Nerves outside the skull and spine comprise the

Selecciona una de las siguientes respuestas posibles:

  • peripheral nervous system

  • vascular nervous system

  • vagus nervous system

  • skeletal nervous system

Explicación

Pregunta 13 de 35

1

Ian has been in a coma since he was in a serious car accident. He is still on medical life support because he is unable to breathe and his heart will not beat without assistance, it is likely that the accident caused damage to Ian's

Selecciona una de las siguientes respuestas posibles:

  • medulla

  • hypothalamus

  • cerebellum

  • midbrain

Explicación

Pregunta 14 de 35

1

Edmund was walking down a dark street when he heard a car backfire. His heart started to race and he began to perspire in response to this sudden, startling noise. These physical reactions were triggered by Edmund's

Selecciona una de las siguientes respuestas posibles:

  • Parasympathetic nervous system

  • somatic nervous system

  • sympathetic nervous system

  • cerebellum

Explicación

Pregunta 15 de 35

1

Robyn has just eaten a full meal and is now relaxing. Robyn's __________ is in primary control at this time.

Selecciona una de las siguientes respuestas posibles:

  • sympathetic nervous system

  • parasympathetic nervous system

  • hormonal system

  • thyroid gland

Explicación

Pregunta 16 de 35

1

Brenda was startled when a large shadow unexpectedly passed across her living room window. When she realized that it was just a cloud passing in front of the full moon her racing heart began to slow down, and her blood pressure started to return to normal. These physical reactions were triggered by Brenda's

Selecciona una de las siguientes respuestas posibles:

  • Parasympathetic nervous system

  • Somatic nervous

  • Sympathetic nervous system

  • A and C

Explicación

Pregunta 17 de 35

1

Jonathan took some medication for his flu symptoms. Later, Jonathan began to feel a little faint because medication caused his heart to beat more slowly and his blood pressure to fall. It is likely that the medication increased activity in Jonathan's

Selecciona una de las siguientes respuestas posibles:

  • hippocampus

  • Para sympathetic nervous system

  • somatic nervous system

  • sympathetic nervous system

Explicación

Pregunta 18 de 35

1

The central nervous system consists of

Selecciona una de las siguientes respuestas posibles:

  • the body's sensory and motor neurons

  • the brain and spinal cord

  • the somatic and autonomic nervous system

  • the sympathetic and parasympathetic nervous systems

Explicación

Pregunta 19 de 35

1

If a person has a brain tumor that results in a disruption of his/her eating behavior, which of the following areas is the most likely location of the tumor?

Selecciona una de las siguientes respuestas posibles:

  • brainstem

  • cerebellum

  • thalamus

  • hipothalamus

Explicación

Pregunta 20 de 35

1

Imagine that you have stumbled across a secret laboratory where and evil scientist is conducting unauthorized brain research. By altering brain structure he has created superheroes who have specialized powers or abilities. One of these superheroes is absolutlely fearless and willing to undertake extremely dangerous missions. In this case, the brain structure that the scientist most likely altered would be

Selecciona una de las siguientes respuestas posibles:

  • the medulla

  • the cerebellum

  • the midbrain

  • the amygdale

Explicación

Pregunta 21 de 35

1

Gilbert suffered a stroke and even though he has recovered many functions, he finds he is still relatively insensitive to pain signals from his right leg. In this case, it is likely that Gilbert's stroke affected his

Selecciona una de las siguientes respuestas posibles:

  • right parietal lobe

  • left frontal lobe

  • right temporal lobe

  • left parietal lobe

Explicación

Pregunta 22 de 35

1

Damage to the temporal lobe of the brain would probably be MOST harmful to the career of

Selecciona una de las siguientes respuestas posibles:

  • a musician

  • an actor

  • an architect

  • a painter

Explicación

Pregunta 23 de 35

1

Zoe has a small brain tumor that is pressing on areas in her right frontal lobe. You would most likely suspect that Zoe will experience dificulties

Selecciona una de las siguientes respuestas posibles:

  • Moving some portions of the left side of her body

  • hearing sounds that are located to her left

  • moving some portions of the right side of her body

  • tasting foods in the right side of her mouth

Explicación

Pregunta 24 de 35

1

The amount of motor cortex devoted to each body area is determined by

Selecciona una de las siguientes respuestas posibles:

  • the sized of the body area

  • the location of the body area

  • the diversity of movements of the body area

  • none of these factors

Explicación

Pregunta 25 de 35

1

People who suffer damage to the ________ often show deficits in attention, planning, and getting organized.

Selecciona una de las siguientes respuestas posibles:

  • corpus callosum

  • prefrontal cortex

  • hindbrain

  • medial forebrain bundle

Explicación

Pregunta 26 de 35

1

The area of the frontal lobe that plays an important role in the production of speech is called

Selecciona una de las siguientes respuestas posibles:

  • Wernicke's area

  • Broca's area

  • Cannon's area

  • Sperry's area

Explicación

Pregunta 27 de 35

1

Zeke has no problem understanding what other people say to him, but he has difficulty producing spoken language. If Zeke's problem stems from damage to the cerbral cortex, the damage would most likely be in

Selecciona una de las siguientes respuestas posibles:

  • an area known as Wernicke's area

  • an area known as Broca's area

  • the cerebellum

  • the right parietal lobe

Explicación

Pregunta 28 de 35

1

Surgically disconnecting the cerebral hemispheres has its origins in the treatment of

Selecciona una de las siguientes respuestas posibles:

  • epileptics

  • people in comas

  • schizophrenics

  • psychopaths

Explicación

Pregunta 29 de 35

1

If the left hemisphere of the brain were damaged which part of the body would be most directly affected?

Selecciona una de las siguientes respuestas posibles:

  • the left half

  • the right half

  • the upper portion

  • the entire body

Explicación

Pregunta 30 de 35

1

Because the speech center is generally located in the left hemisphere of the brain, a slit-brain patient is unable to describe stimuli that are

Selecciona una de las siguientes respuestas posibles:

  • seen in the left visual field

  • seen in the right visual field

  • presented directly in front of him or her

  • felt with the right hand

Explicación

Pregunta 31 de 35

1

If you sent the word "banana" to a split-brian patients's left hemisphere and the word "cucumber" to his right hemisphere, which of the following would he be able to name verbally?

Selecciona una de las siguientes respuestas posibles:

  • both of the items

  • neither of the items

  • Only the banana

  • only the cucumber

Explicación

Pregunta 32 de 35

1

Imagine that a picture of a spoon is briefly flashed in the left visual field of an individual with a severed corpus callosum. At the same time, a picture of a cup is briefly flashed in the right visual field. Based on Roger Sperry's work with split-brain patients, you could predict that this individual will say

Selecciona una de las siguientes respuestas posibles:

  • I didn't see anything

  • I saw a spoon resting in a cup

  • I saw a spoon

  • I saw a cup

Explicación

Pregunta 33 de 35

1

Imagine that a picture of a blue circle is briefly flashed in the left visual field of an individual with a severed corpus callosum. At the same time, apicture of a red square is briefly flashed in the right visual field. Based on Roger Sperry's work with split-brain patients, you could predict that this individual will say

Selecciona una de las siguientes respuestas posibles:

  • I saw a blue circle

  • I didn't see anything

  • I saw a blue circle around the red square

  • I saw a red square

Explicación

Pregunta 34 de 35

1

In both split-brain people and neurologically intact people, the left hemisphere specializes in

Selecciona una de las siguientes respuestas posibles:

  • verbal processing

  • visual processing

  • spatial perception

  • verbal processing and spatial perception

Explicación

Pregunta 35 de 35

1

Which of the following is LEAST associated with left hemisphere functioning?

Selecciona una de las siguientes respuestas posibles:

  • speaking

  • musical recognition

  • reading

  • writing word

Explicación