ACTUAL QUESTIONS AND CORRECT
ANSWERS
Drug Use - CORRECT ANSWERS is a term used to describe the consumption of a drug in
a socially acceptable or ritualistic manner.
Drug Misuse - CORRECT ANSWERS involves the inappropriate, or unintentional, use of
a prescription or nonprescription drug resulting in the physical, cognitive, emotional, or social
impairment of the individual.
Nervous System - CORRECT ANSWERS composed of the central nervous system (CNS)
and the peripheral nervous system (PNS).
Central Nervous System (CNS) - CORRECT ANSWERS composed of the brain and
spinal cord.
Peripheral Nervous System (PNS) - CORRECT ANSWERS is made up of nerves that
branch from the CNS to the rest of the body. There are two parts: the somatic system and the
autonomic system.
Somatic System - CORRECT ANSWERS connects the nerves of the CNS to the skin and
skeletal muscles.
Autonomic System - CORRECT ANSWERS connects the nerves of the CNS to the organs
of the body. Function involuntarily and has two subdivisions: the sympathetic division and the
parasympathetic division.
,Sympathetic Division - CORRECT ANSWERS involves the fight or flight response.
Parasympathetic Division - CORRECT ANSWERS returns the body processes to normal
after the sympathetic division has been engaged.
Neurons - CORRECT ANSWERS are the cells that are responsible for the transmission of
information and has one axon, but may have many dendrites.
Cell Body - CORRECT ANSWERS processes called axons and dendrites.
Synaptic Knobs - CORRECT ANSWERS end of each axon and holds neurotransmitters in
its vesicles.
Chemical Receptors - CORRECT ANSWERS end of the dendrites.
Synaptic Cleft - CORRECT ANSWERS space between neurons.
Synapse - CORRECT ANSWERS junction between neighboring neurons and is filled with
a type of fat that acts as an insulator.
Neurotransmitters - CORRECT ANSWERS Cell body manufactures these chemicals
which transmit nerve impulses between cells.
Presynaptic Neuron - CORRECT ANSWERS cell which releases the neurotransmitter.
Postsynaptic Neuron - CORRECT ANSWERS cell which receives the neurotransmitter.
, Excitatory - CORRECT ANSWERS which means that it helps start the transmission of a
nerve impulse.
Inhibitory - CORRECT ANSWERS which means that it inhibits the transmission of nerve
impulse.
Acetylcholine - CORRECT ANSWERS (excitatory neurotransmitter): muscle movement
Norepinephrine - CORRECT ANSWERS (excitatory neurotransmitter): arousal, moods,
memory formation
Dopamine - CORRECT ANSWERS (inhibitory and excitatory neurotransmitter): body
movement, pleasure, reward
Serotonin - CORRECT ANSWERS (excitatory neurotransmitter): emotion, mood, sleep,
temperature regulation
GABA (gamma-aminobutyric acid) - CORRECT ANSWERS (inhibitory
neurotransmitter): motor behavior (deficit may result in convulsions)
Glycine - CORRECT ANSWERS (inhibitory neurotransmitter): spinal reflexes, motor
behavior
Enkephalins and Endorphins - CORRECT ANSWERS (inhibitory neurotransmitter): pain
reduction, pleasure