Ashley Berg
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Quiz sobre Unit Two Review- Chapter 2, criado por Ashley Berg em 04-10-2018.

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Unit Two Review- Chapter 2

Questão 1 de 35

1

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

Selecione uma das seguintes:

  • Axons; synapses

  • Dendrites; axons

  • Synapses; dendrites

  • Axons; dendrites

Explicação

Questão 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

Selecione uma das seguintes:

  • 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

Explicação

Questão 3 de 35

1

Action potentials

Selecione uma das seguintes:

  • 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

Explicação

Questão 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

Selecione uma das seguintes:

  • 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

Explicação

Questão 5 de 35

1

Neurotransmitters are stored in

Selecione uma das seguintes:

  • mitochondria

  • synaptic vesicles

  • dendrites

  • nacelles

Explicação

Questão 6 de 35

1

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

Selecione uma das seguintes:

  • all-or-nothing

  • inhibitory postsynaptic potential

  • excitatory postsynaptic potential

  • excitatory presynaptic potential

Explicação

Questão 7 de 35

1

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

Selecione uma das seguintes:

  • synthesis, release, binding, inactivation, reuptake

  • release, synthesis, binding, reuptake, inactivation

  • binding, synthesis, release, inactivation, reuptake

  • synthesis, binding, release, reuptake, inactivation

Explicação

Questão 8 de 35

1

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

Selecione uma das seguintes:

  • 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

Explicação

Questão 9 de 35

1

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

Selecione uma das seguintes:

  • 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

Explicação

Questão 10 de 35

1

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

Selecione uma das seguintes:

  • endorphins

  • dopamines

  • biogenic amines

  • acetylcholines

Explicação

Questão 11 de 35

1

Which of the following has been implicated in pain alleviation?

Selecione uma das seguintes:

  • dopamine

  • endorphins

  • acetylcholine

  • norepinephrine

Explicação

Questão 12 de 35

1

Nerves outside the skull and spine comprise the

Selecione uma das seguintes:

  • peripheral nervous system

  • vascular nervous system

  • vagus nervous system

  • skeletal nervous system

Explicação

Questão 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

Selecione uma das seguintes:

  • medulla

  • hypothalamus

  • cerebellum

  • midbrain

Explicação

Questão 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

Selecione uma das seguintes:

  • Parasympathetic nervous system

  • somatic nervous system

  • sympathetic nervous system

  • cerebellum

Explicação

Questão 15 de 35

1

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

Selecione uma das seguintes:

  • sympathetic nervous system

  • parasympathetic nervous system

  • hormonal system

  • thyroid gland

Explicação

Questão 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

Selecione uma das seguintes:

  • Parasympathetic nervous system

  • Somatic nervous

  • Sympathetic nervous system

  • A and C

Explicação

Questão 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

Selecione uma das seguintes:

  • hippocampus

  • Para sympathetic nervous system

  • somatic nervous system

  • sympathetic nervous system

Explicação

Questão 18 de 35

1

The central nervous system consists of

Selecione uma das seguintes:

  • the body's sensory and motor neurons

  • the brain and spinal cord

  • the somatic and autonomic nervous system

  • the sympathetic and parasympathetic nervous systems

Explicação

Questão 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?

Selecione uma das seguintes:

  • brainstem

  • cerebellum

  • thalamus

  • hipothalamus

Explicação

Questão 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

Selecione uma das seguintes:

  • the medulla

  • the cerebellum

  • the midbrain

  • the amygdale

Explicação

Questão 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

Selecione uma das seguintes:

  • right parietal lobe

  • left frontal lobe

  • right temporal lobe

  • left parietal lobe

Explicação

Questão 22 de 35

1

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

Selecione uma das seguintes:

  • a musician

  • an actor

  • an architect

  • a painter

Explicação

Questão 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

Selecione uma das seguintes:

  • 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

Explicação

Questão 24 de 35

1

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

Selecione uma das seguintes:

  • the sized of the body area

  • the location of the body area

  • the diversity of movements of the body area

  • none of these factors

Explicação

Questão 25 de 35

1

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

Selecione uma das seguintes:

  • corpus callosum

  • prefrontal cortex

  • hindbrain

  • medial forebrain bundle

Explicação

Questão 26 de 35

1

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

Selecione uma das seguintes:

  • Wernicke's area

  • Broca's area

  • Cannon's area

  • Sperry's area

Explicação

Questão 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

Selecione uma das seguintes:

  • an area known as Wernicke's area

  • an area known as Broca's area

  • the cerebellum

  • the right parietal lobe

Explicação

Questão 28 de 35

1

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

Selecione uma das seguintes:

  • epileptics

  • people in comas

  • schizophrenics

  • psychopaths

Explicação

Questão 29 de 35

1

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

Selecione uma das seguintes:

  • the left half

  • the right half

  • the upper portion

  • the entire body

Explicação

Questão 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

Selecione uma das seguintes:

  • 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

Explicação

Questão 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?

Selecione uma das seguintes:

  • both of the items

  • neither of the items

  • Only the banana

  • only the cucumber

Explicação

Questão 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

Selecione uma das seguintes:

  • I didn't see anything

  • I saw a spoon resting in a cup

  • I saw a spoon

  • I saw a cup

Explicação

Questão 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

Selecione uma das seguintes:

  • I saw a blue circle

  • I didn't see anything

  • I saw a blue circle around the red square

  • I saw a red square

Explicação

Questão 34 de 35

1

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

Selecione uma das seguintes:

  • verbal processing

  • visual processing

  • spatial perception

  • verbal processing and spatial perception

Explicação

Questão 35 de 35

1

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

Selecione uma das seguintes:

  • speaking

  • musical recognition

  • reading

  • writing word

Explicação