$100 $200 $300 $400 500 $200 $300 $400 $500 Parts of a Neuron Org of NS Reflexes Action Potential...

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Transcript of $100 $200 $300 $400 500 $200 $300 $400 $500 Parts of a Neuron Org of NS Reflexes Action Potential...

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Parts of a

Neuron

Org of NSReflexes Action Potential

Areas of the Brain 1

Areas of the Brain 2.

Nervous System Jeopardy

$100

Buster Brain

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Part of a neuron that receives a stimulus

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What are dendrites?

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Part of a neuron that carries messages away from the cell

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What is an axon?

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Substance released by axon terminal that triggers a nerve impulse

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What is a neurotransmitter?

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Point at which an impulse from one nerve cell is communicated to another

nerve cell

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What is synapse?

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Axons covered with this material appear white and conduct impulses

faster than axons not covered with this material

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What is the myelin sheath?

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Division of the nervous system that consists of brain and spinal cord

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What is the CNS or central nervous system?

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Division of the nervous system that consists of cranial and spinal nerves

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What is the PNS or peripheral nervous system?

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Division of the nervous system that is not under voluntary control and includes

sympathetic and parasympathetic nervous systems

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What is the autonomic nervous system?

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Division of the PNS that is under voluntary control

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What is the somatic nervous system?

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Division of the autonomic nervous system that is known as “rest and digest”

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What is the parasympathetic nervous system?

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In a reflex arc, muscles and glands are known as ________.

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What are effectors?

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Sensory neurons are also called _________ neurons.

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What is afferent?

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Motor neurons are also called __________ neurons.

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What is efferent?

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The first step in a reflex arc, could be sense organs.

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What are receptors?

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Middle step in a reflex arc, between afferent and efferent neurons

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What is the integration center?

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LOBE of the brain that is associated with memory, emotions, and decision-making, contains primary motor cortex

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What is the frontal lobe?

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LOBE of the brain that integrates sensory information and spatial

awareness

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What is the parietal lobe?

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Part of the brain that regulates temperature, thirst, hunger and other

drives

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What is the hypothalamus?

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Deep groove that divides the frontal and parietal lobes

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What is the central sulcus?

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Large fiber tract that joins the two cerebral hemispheres and allows communication between them

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What is the corpus callosum?

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LOBE that processes, integrates and interprets visual information

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What is the occipital lobe?

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LOBE for hearing, language and speech

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What is the temporal lobe?

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Groove that separates the two cerebral hemispheres

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What is the longitudinal fissure?

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Part of the brain stem that regulates breathing

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What is the pons?

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Areas in the frontal and parietal lobes that are essential in speech

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What are the Broca’s and Wernicke’s areas?

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Ion that rushes into the cell during depolarization

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What is sodium?

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Gates that are responsible for repolarization (2)

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What are sodium inactivation and potassium gates

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5 steps of an action potential in order

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What are: stimulus, threshold potential, depolarization, repolarization and

undershoot

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Cell’s resting membrane potential

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What is -70 mv

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The sodium potassium pump actively transports this many K+ into the cell and this many Na+ out of the

cell

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What are 2 and 3?

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List 3 parts of the diencephalon.

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FINAL JEOPARDY ANSWER

Epithalamus, thalamus, hypothalamus, pituitary gland (others possible)