BBH Exam 1 ; Questions with Certified Answers
The author says most studies indicate that the riskiest teen behaviors can be
linked to a "mismatch" between how quickly networks in which two areas of the
brain mature? Correct Answer-Limbic region and prefontal cortex
BBH Exam 1 ; Questions with Certified Answers
The author says most studies indicate that the riskiest teen behaviors can be
linked to a "mismatch" between how quickly networks in which two areas of the
brain mature? Correct Answer-Limbic region and prefontal cortex
The increased connectivity that occurs with age is associated with increased
volume of what substance, which forms the white matter of the brain?
Correct Answer-myelin
What are the functions of the prefrontal cortex? Correct Answer-Plans
cognitive behavior, expression and decision making doesnt mature until 20s
According to the author, what are the main functions of the limbic system?
Correct Answer-drives emotions, intensifies at puberty
According to the author, are biological or social influences more important in the
maturation of the brain? Correct Answer-Somewhat environment but mostly
biological
nervous system Correct Answer-brain, spinal cord, and all of the nerves that
carry messages from your brain to the periphery of your body and vice versa
nervous system in what 2 categories Correct Answer-the central nervous
system and the peripheral nervous system.
central nervous system Correct Answer-consists of your brain and spinal
cord. Your brain is the site where all of your thoughts originate and where all of
your sensations (e.g. touch, smell, taste) are sent to be processed. So, if you
,BBH Exam 1 ; Questions with Certified Answers
decide you want to get up and walk across the room that thought originates in
your brain. It recruits nerve cells in a part of your brain devoted to movement
(i.e. the motor cortex) to create a plan to cause the contraction of your muscles
that will accomplish the movement
spinal cord Correct Answer-does this by sending long fibers down through
the The spinal cord acts as a conduit that carries motor information from the
brain to the body and sensory information from the body to the brain. It is a
critical component of the nervous system—a fact that is apparent in observing
victims of spinal cord damage, which can be disabling and deadly.
peripheral nervous system Correct Answer-made up of all of the nerves that
connect the brain and spinal cord with the rest of the body. To make the
movement we've been talking about, peripheral nerves extend from the spinal
cord to the muscle and stimulate it to contract.
somatic nervous system Correct Answer-a division of the PNS that is involved
in voluntary muscle control (optional)
autonomic nervous system Correct Answer-your breathing, regulating your
heart rate, influencing digestion stuff in the background
automatic controlled by ans two parts Correct Answer-sympathetic and
parasympathetic activity
sympathetic nervous system activity Correct Answer-type of activity that
occurs in threatening situations, fight or flight (dilation of pupils)
, BBH Exam 1 ; Questions with Certified Answers
Parasympathetic nervous system Correct Answer-autonomic activity, but it
represents the opposite end of the spectrum from sympathetic nervous system
activity. It is sometimes called the rest-and-digest system, as it is the activity
that dominates when you are not threatened and are less alert and anxious. It is
the type of activity that dominates after you've just eaten a large meal and are
relaxing on the couch. It causes digestion to increase, respiration to slow down,
heartrate to slow down, etc. so your body can restore itself.
central nervous system Correct Answer-brain and spinal cord
peripheral nervous system Correct Answer-nerves to and from CNS
somatic in pns Correct Answer-touching hearing, etc; muscles that move
body
autonomic Correct Answer-internal senses for gut; etc; smooth muscles in
gut
sympathetic Correct Answer-emergency
parasympathetic Correct Answer-housekeeping
dendrites Correct Answer-typically the sites on a neuron where information
(usually in the form of chemicals called neurotransmitters) is received. These
neurotransmitters interact with proteins called receptors that sit in the
membrane of dendrites. That interaction causes an electrical impulse to be
generated within the neuron.
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