Neuron Structure
What part of a neuron contains the nucleus and most of the cell's organelles?
Axon
Dendrite
Soma
Synapse
Soma
The large bundle of fibers that connects the two hemispheres of the brain is called the:
Corpus callosum
Wernicke’s Area
Broca’s Area
Reticular activating system
Corpus callosum
_______drugs are substances that change perceptions and moods, meaning
the sensory information is the same but our perception of that information is altered
Psychoactive Drugs
Which neurotransmitter is associated with pleasure, reward, and motor function regulation?
Serotonin
Dopamine
Norepinephrine
GABA
Dopamine
. Which type of neuron transmits impulses from the central nervous system to muscles or glands?
Sensory neurons
Motor neurons
Interneurons
d) Glial cells
Motor neurons
Which part of a neuron is responsible for transmitting signals away from the cell body?
Dendrite
Soma
Axon
Synapse
Axon
Is the brain’s ability to change or adapt by developing
new or alternative neural pathways from existing neurons
Plasticity
These mental and physical pains experienced when the drug use has been halted is referred to as ________ the severe discomfort and distress after discontinuing an addictive drug or behavior
withdrawal
Serotonin
A neurotransmitter that plays a crucial role in regulating mood, sleep, appetite, and digestion.
Often called a "happy hormone" due to its role in feelings of well-being.
The process by which neurotransmitters are taken back into the synaptic vesicles after being released is called:
Neurotransmission
Resting potential
Reuptake
Refractory period
Reuptake
Branch-like extensions that receive signals from other neurons.
Dendrites
Located at the front of the head, it's responsible for executive functions, such as planning, problem-solving, judgment, and self-control, as well as motor skills and personality.
Frontal Lobe:
EG of :
Stimulants are drugs that excite neural activity and accelerate body
functions, increasing breathing rate, heartbeat, energy, and confidence
caffeine, nicotine, amphetamines, cocaine, ecstasy
GABA (Gamma-aminobutyric acid)
The minimum level of stimulation required to trigger a neural impulse is known as the:
a) Resting potential
b) Threshold
c) Refractory period
d) Reuptake
Threshold
Chemical messengers stored in the axon terminals.
Neurotransmitters
. The ________ is the central organ of the nervous system responsible for processing sensory information, regulating bodily functions, and enabling cognition, emotions, and behaviors.
Brain
alcohol, barbiturates, and opiates are this type of drug:
Depressants are a class of drugs that reduce neural activity and slow body functions;
the three primary subgroups of depressants are:
It also slows neural processing, reduces coordination,
self-awareness, self-control, speech, and other skills
Neurotransmitters that act as natural painkillers are called:
Dopamine
Endorphins
GABA
Acetylcholine
Endorphins
The rapid, automatic response to a stimulus, such as pulling your hand away from a hot stove, is known as a:
Neurotransmission
Reflex arc
Resting potential
Refractory period
Reflex arc
The insulating layer that covers many axons and speeds up neural impulses is called:
Soma
Myelin
Synapse
Dendrite
Myelin
Located at the back and beneath the cerebrum, this part of the brain is crucial for coordinating voluntary movements, maintaining balance, and posture.
Cerebellum
DMT (Dimethyltryptamine) What is this?
Dimethyltryptamine (DMT), : serotonergic hallucinogen and investigational drug of the tryptamine family that occurs naturally in many plants and animals. DMT is used as a psychedelic drug and prepared by various cultures for ritual purposes as an entheogen.
Serotonin : Define...
A neurotransmitter that plays a crucial role in regulating mood, sleep, appetite, and digestion.
Often called a "happy hormone" due to its role in feelings of well-being.
. The large bundle of fibers that connects the two hemispheres of the brain is called the:
Corpus callosum
Wernicke’s Area
Broca’s Area
Reticular activating system
Corpus callosum