Psychology - Unit test #1 - Chap 2

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________ intensifies most emotions and is central to the experience of fear and anxiety

Epinephrine

intense fear and immidiately become alert and lam on breaks hard when someone pulls out infront of you-- which hormone is responsible for this reaction

Epinephrine

best describes association areas

areas of the cerebral cortex that are not primarily involved in sensation or motor activity

Which of the following causes Down syndrome?

The presence of an extra chromosome on the 21st pair

WHich of the followingis a likely consequence of low thyroxin secretion in adults

they feel tired ans sluggish and may put on weight

context of the brain's language functions, identify the correct statement

those with wernicke's aphasia usually speak freely and with proper syntax

CAT - Computerized axial tomography

x-ray beam through the head and measures the structures that reflect the beams from various angles, enabling a computer to generate a three-dimensional image

pituitary hormones regulates the adrenal cortex

Adrenocorticotrophic hormone

brain injures, difficulty in communication, responses are slow and laborious she understands what others are saying though, sentences are incomplete with grammatical words missing - what best reflects her case?

Broca's aphasia

_____ relatives have a genetic overlap of about 50%

First-degree

defines one's nature, which is based on biological structures and processes

Heredity

Which of the following is a function of norepinephrine

It is involved in general arousal and learning and memory

hormone helps with sleeping - when the sleeplessness is caused by deficiency of a particular hormone - what hormone is it?

Melatonin

Someone steps on your foot and you have an immediate sensation of pain - the sensation was transmitted via the spinal cord to the brain through _______

afferent neurons

The _____ refers to the fact that a neuron fires an impulse of the same strength whenever its action potential is triggered

all-or-none principle

purpose of a split brain operation

confine seizures to one hemisphere of the cerebral cortex

Being left-handed has been associated with an above average probability of having _____

dyslexia

nucleotides found along just one of the rungs of a molecular ladder

genetic code

related to one's genotype

nature

imbric system

people with hippocampal damage cannot permanently store new information

represents an interaction of one's nature and nurture

phenotype

the _____ lies below the hypothalamus and is dubbed the "master gland"

pituitary gland

function of the medulla of the brain

plays roles in sleeping, sneezing, and coughing

Executive center of the brain - decisions are made to keep information in working memory and to solve problems

prefrontal cortex

refers to a time when neuron is insensitive to messages from other neurons and does not fire

refractory period

which of these is a function of prolactin

regulates maternal behavior in lower mammals such as rats

neurotransmitters involved in emotional arousal and sleep

serotonin

neuron relays its messages to another neuron acros a juntion called...

synapse

diffeence between thalamus and hypothalamus

thalamus serves as a relay station for sensory stimulation, whereas the hypothalamus controls the regulatio nof body temperature, concentration of fluids, storage of nutrients, and motivation and emotion


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