Chapter 2

Created by hardinkendall 

Upgrade to
remove ads

50 terms

Compared to the human brain, the cortex of lower animals____.

is small and smooth

Which hormone tends to arouse the body and is associated with fear?

epinephrine

Which of the following is a network of fibers and cell bodies that lies inside the medulla and brainstem and is associated with attention, alertness, and some reflexes, such as sneezing and coughing?

reticular formation

When the sympatheic branch is activated,

there is a release of sugar from the liver

a combination of preference for using hand, foot, eye, and ear is referred to as

sidedness

Negative after-potential refers to

a nerve cell briefky dropping below its resting level

the charge that exists across the nerve cell membrane is a result of differing

concentrations of ions on either side of the nerrve cell membrance.

Christina enviously watches her tennis rivial practice. She admires Sarina's control of the racket and finely coordinated movement. Having just covered the section on the brain in her psychology class, Christina states that Sarina must have developed

hypothalamus

In order to detect the electrical activity of a single neuron, a scientist would most likely use

a microelectrode

A new, improved brain imaging technique for measuring glucose metabolism of the brain is called the

PET scan

Bodily sentations such as touch, temperature, and pressure register in which brain area?

a parietal lobes

The part of the neuron that sends information to other neurons "branches out" into smaller fibers, which end in bulb-shaped parts known as

axon terminals

Regarding hand perferences, which of the following statement is FALSE?

handledness appears to be influenced by a single gene on the Y chromosome.

The peripheral nervous system is composed of the

somatic and autonomic system

Which area of the cortex combines and processes information from the senses and contributes to higher mental abilities, such as language?

Association cortex

Which of the following is a FALSE statement regarding anabolic steroid use?

Anabolic steroids are a synthetic version of epinephrine

Although other neurotransmitters are also present, the brain's reward or 'pleasure' system has a predominance of which neurotransmitter?

dopamine

What effect do neurotransmitters from one neuron have on the next neuron?

They may excite or inhibit it

We flash a picture of a tree to the right brain of a split-brain patient and a picture of a dog to his left brain. If we as ask the split-brain to draw what he saw using his left hand (out of sight), he will

draw a dog

The use of an electrode to destroy small areas of the brain beneath the surface is called

deep lesioning

When you see an attractive person sit down next to you on the bus, the mad pounding of your heart is under the influence of the

Autonomic Nervous System

Which of the following neurotransmitters causes a majpr inhibitory effect in the central nervous system?

GABA

The condition in which too much growth hormone is secreted toward the end of the growth period is called

acromegaly

You are in the forest and see a large, snarling, drooling grizzly bear running toward you. The adrenaline rush you feel is controlled by the

sympathetic nervous system

The brainstem, midbrain, and parts of the forebrain are referred to as the

subcortex

The white matter in the spinal cord consists of

bundles of axons covered with myelin.

The subcortex areas includes all of the following brain areas EXCEPT the

cerebral cortex

According to one theory, autism may arise in some infants in some because genetic abnormalites or environment risk damage the ___ system.

endocrine

Hupothyroidism in infancy leads to

severe intellectual disability.

The cerebral cortex is divided into two

hemispheres

Megan sufferes from a phobia of kittens and cats. Even though she consciously understands that she does not have to be afraid of small creatures, she still exhibits nervousness as she watches her daughter petting a neighbor's gentle cat. Which part of the limbic system causes this fear response that megan does not understand?

amygdala

Areas of the brain that are NOT primarily sensory or motor in function are called the

incidental lobes

Regarding ions, which of the following statements is TRUE?

Ions can be found both inside and outside the nerve cell

Regarding visual images, which of the following statement is TRUE?

Visual images create pattern of activy in nerves in th eocciptal lobes which we interpet as images.

The brain produces opiate-like neural regulators that help relieve stress and pain and are referred to as

enkephalins.

Children who have premature puberty resulting in full sexual development have

oversecretion of pituitary growth hormones.

Petra was told that an artery carry blood to her brain became blocked, which caused some brain tissue to die. Petra experienced

a stroke

The peripheral nervous system carries message to and from the ___ nervous system.

central

Message flow from the brain to the spinal cord and then through the __ nervous system.

Central

Which species of animals have the largest brains?

Mammals

The capacity of our brains to change in response to experience is referred to as

neuroplasticity

The only sure way to check brain dominance is to

do medical tests that involve assessing one cerbral hemisphere at a time

Which of the following are active when we perform an action or merely observe one and are found in the motor cortex?

mirror neurons

Horror movies and science fiction stories are often based on the premise that one person's brain has been surgically removed and implanted in the body barriers would not protect against infection.

Severe damage to neurons in the CNS is usually considered permanent

The autonomic system is

self-governing

Regarding axons, which of the following statements is FALSE?

Some axons stretch up to a meter in length throughout the nervoue system.

Which gland by altering metabolism can have a sizable effect on personality with over-activity of this gland causing excitability and under-activity causing one to be lethargic?

thyroid

One's dominant hemisphere is considered the side of a person's brain that

produces language.

Which of the following statement best describes how anabolic steroids affect young adolescences?

anabolic steroids increase the risk of heart attack and stroke

Martina is experiencing what appears to be a seizure. To verify whether Martina has epilepsy, her doctor affixes small disk-shaped metal plates to Martina's scalp in order to obtain a recording of her brain waves. What technique is being utilized?

EEG

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set