Hormones are _____ released into the bloodstream
A)neuron
B)Myelin
C)action potentials
D)electrical messengers
E) chemical messengers
chemical messengers
What is the cell body?
The part of the neuron that contains the life support center
How do EEG scans imagine of the bran?
A recording of waves of electrical activities across the brain surface measured by electrodes placed on a scalp
What is consciousness?
Consciousness is our subjective awareness of ourselves in our environment
What is psychoactive drugs?
Chemical substance that alters perception and mood
what are the three types of neurons?
Sensory motor and interneurons
What is a threshold?
The level of stimulantion required to trigger a natural impulse
Which of the following scanning techniques measured glucose consumption as an injector of the brain activity?
A) PET
B) MRI
C) fMRI
D) CT
A) PET
What are alpha waves?
When you are in bed with your eyes closed, you’re awake, but relaxed state
How can someone lead to a substance abuse disorder?
Due to neuroadaptation brain chemistry changes to offset the effects of the drug user requires large and large doses, which increased the risk of becoming addicted and developing a substance abuse disorder
What is the difference between somatic and automatic?
Somatic controls the body, skeletal muscles.
Automatic controls the glands and the muscles of the internal organ
In order for a neuron to generate an action potential, which of the following must be true?
A) Glial cells must release the neurotransmitters into the axon
B) dopamine and serotonin must be presented in equal amounts
C) the neuron must be in the refractory period
D) Excitatory impulse must outnumber inhibitory impulses
D) Excitatory impulses must outnumber inhibitory impulses
What is the function of the Amygdala
it’s linked to fear, emotion and aggression
What does circadian rhythm affect?
Our sleep wakes cycle, temperature, hormonal and digestive cycles
How does cocaine impact normal neural transmission?
By binding to the sites that normally reabsorb neurotransmitters molecules, cocaine blocks reuptake of dopamine, norepinephrin and serotonin
What is the endocrine system?
The bodies Postal Service for hormones glance make hormones which travel into the bloodstream
How do K+ ions move out?
Gates open in the first part of the axon allowing K+ ions to flow out
What structures make up the brain system?
Describe the two divisions of sleep stages
NREM-Non-rapid eye movement sleep in encompasses all stages except for REM
REM- rapid eye movement sleep a recurring sleep stage during which vivid dreams occur
Which stimulants cause high energy and emotional elation, dehydration, and damage to the serotonin produced by neurons?
A)LSD
B)ECSTASY
C)CAFFEINE
D)NICOTINE
B) ecstasy
Label the parts that are missing
Fill in the missing functions
Damage to which of the following brain structures would affect the processing of new explicit memories
A) medulla
B)hippocampus
C)hypothalamus
D) corpus callosum
B) hippocampus
Describe the biological rhythm of our sleep and dreaming stages
NREM-1 irregular brain waves
NREM-2 sleep spindles
NREM-3 deep sleep slow delta waves
Which does not belong with the right drug
A. alcohol; stimulant
B. LSD; hallucinogen
C. amphetamine; stimulant
D. THC; hallucinogen
E. nicotine; stimulant
A)Alcohol; stimulant