when do most mental health problems start? correct answers in our adolescence; before the
age of 24
what is adolescence? correct answers a period of biological, psychological, and social
development
What is sensation seeking? correct answers tendency to seek out novelty and take risks;
increases in teenage years and drops in your twenties due to self-regulation
what is the nervous system? correct answers the body's control and communication system
that controls all voluntary and involuntary bodily functions - consists of the brain, spinal cord
sensory organs, and nerves in the body
what systems make up the nervous system? correct answers the central nervous system and
the peripheral nervous system
what is the central nervous system (CNS)? correct answers brain and spinal cord
What is the peripheral nervous system? correct answers contains all the nerve fibers outside
of the CNS
what are neurons? correct answers functional unit of the brain capable of generating and
transmitting electrical signals
what are dendrites? correct answers projections of a neuron that receive signals from other
neurons
what is an axon? correct answers slender projection of a neuron that conducts electrical
impulses away from the cell body and toward the next cell in the pathway
What is the myelin sheath? correct answers a layer of insulation around the myelin that
increases the rate of transmission along the axon - myelin is a fatty substance that surrounds
the nerve cells
what is the synapse? correct answers it is where electrical impulses go after reaching the end
of an axon where electrical impulses are transferred from one neuron to the dendrites of a
second neuron
what are the four sections of the brain? correct answers frontal lobe, parietal lobe, temporal
lobe, and occipital lobe
what is the frontal lobe? correct answers the most important area of the brain that undergoes
major development during early adulthood - responsible for our higher level cognitive
abilities including planning, decision making, problem solving, etc.
What is the leading cause of mortality in 10-24 year olds? correct answers death from
accidents that were caused by risk taking