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Module 3
Retreieve it and chapter review questions
16
Psychology
Undergraduate 1
02/08/2014

Additional Psychology Flashcards

 


 

Cards

Term
when a neuron fires and anction potential, the information travles through the axon, the dendrites, and the axons terminal branches but not in that order. place these three in the correct order
Definition
detrites, axon, axon terminal branches
Term
how does the nervous system alloq us to experience the difference between a slap and a tap on the back?
Definition
stronger stimuli (slap) cause more neurons to fire and to fire more frequently than with weaker stimuli (tap)
Term
what happens in the synaptic gap?
Definition
neurons send neurotransmitters (chemical messangers) across this tiny space between one neurons terminal branch and the next neurons dendrite or cell body
Term
the endorphins, serotonin, and dopamine are all chemical messengers called ____
Definition
neurotransmitters
Term
why is the pitutiary gland called the master gland?
Definition

1- responds to signals from the hipthalmus

2-releases hormones that trigger other endocrine glands to secrete hormones which inturn influence our brain and our behaviors.

Term
how are the neurvous and endocrine systems different/similar
Definition

both produce chemical milecules that act on the bodys receptors to influence behavior/emotion

enocrine: secretes hormones into bloodstream, delivers its messages slowly vs nervous system and the effects of the endocrine system messages ten to be much longer

Term
the neuron fiber that passes messages through its branches to other neurons or to muscles and glands is the
Definition
axon
Term
the tiny space between the azon and one neuron and the dendrite or cell body of another is called the
Definition
synaptic gap
Term
regarding a neurons response to stimulation, the intensity of the stimulus determines...
Definition

a. whether or not an impulse is generated

b. how fast an impulse is transmitted

c. how intense an impluse will be

d. whether reuptake will occur

answer a

Term
in a sending neuron, when an action potential reaches an azon terminal, the impulse triggers the release of chemical messangers called
Definition

neurotransmitters

 

Term
endrophins are released in the brain in response to
Definition

a. morhine or heroin

b. pain/vigorus excercise

c.all or none response

d. all the above

answer:b

Term

the autonomic nervous system controls internal functions such as heart rate and glanular activity. the word autonomic means

 

Definition

a. calming

b. voulantary

c. self-regulating

d. arousing

answer: c

Term
the sympathetic nervous system arouses us for action and the parasympatheric nervous system calms us down. together, the two systems make up the _____ nervous system
Definition
autonomic
Term
the neurons of the spinal chord are part of the ____ nervous system
Definition

central

 

Term

the most influential endocrine gland, known as the master gland is the..

 

Definition

a. pituitary

b. hypothalmus

c. thyroid

d. pancreas

answer a

Term
the _____ _____ secrete epinephrine and norepinephrine helping aroud the body during times of stress
Definition
adrenal glands
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