Exam 32: Neural Control

Nerve impulses coming into the spinal cord enter via

-Which of the above letters represents the brain or controlling system of nerve reactions in this organism?

Use the figure above to answer the following questions. -The point at which this neuron will be able to generate another action potential is indicated by

-The neuron transport proteins that maintain the resting membrane potential and restore ion gradients following an action potential are

Classification.Respond to the following statements in reference to the five regions of the vertebrate brain listed below. a.cerebrum b.hypothalamus c.pons d.cerebellum e.medulla oblongata -Imagine a neuron lost the ability to close its sodium channels.Could this neuron still propagate action potentials?

Classification.Respond to the following statements in reference to the five regions of the vertebrate brain listed below. a.cerebrum b.hypothalamus c.pons d.cerebellum e.medulla oblongata -A neuron's __________ receive signals, and its __________ transmits signals.

Neuroglial cells

Matching.Choose the most appropriate answer. a.integrates body position, motions, balance b.in cnidarians; based on reflex pathways devoted to swimming and feeding c.messages from here arouse the brain and maintain wakefulness d.the cortical region that coordinates muscles required for speech e.all parts of nerve cells outside the brain and spinal cord f.acetylcholine is an example g.reflex control center for breathing, heart rate, and blood pressure h.axons of the central nervous system that are sheathed with fatty myelin i.at top of the brainstem bordering the cerebral hemispheres; influences learning and emotional behavior j. motor neurons that are divided into sympathetic and parasympathetic divisions k.membrane coverings over brain spinal cord l. contains the tectum; receives and integrates sensory information that is largely sent on to the forebrain for further neural processing m. connects right and left cerebral hemispheres n. group of nerve cell bodies that form an integrative center o.contains centers concerned with body temperature regulation and with salt and water balance -autonomic nervous system

Classification.Respond to the following statements in reference to the five regions of the vertebrate brain listed below. a.cerebrum b.hypothalamus c.pons d.cerebellum e.medulla oblongata -This region contains the reflex centers involved in respiration.

MATCHING Matching.Even though there may be more than one correct letter response to some numbered items, discriminate and "juggle" so that you have the one BEST response for each. a.cells that nurture and support neurons b.a hyperpolarizing event c.a neuron cannot propagate an action potential at this time d.Acetylcholine or GABA e.interneuron in brain or spinal cord f.establishes basis of resting membrane potential g.sheathed muscle cells that contain receptors h.input i.integrator cell between sensory and motor j. modified dendrite of a sensory neuron k.a depolarizing event l. output m. muscle or gland n. produced by a Schwann cell o.cluster of cell bodies outside the CNS -receptor

Use the figure above showing a reflex arc to answer the following questions. -Stretch-sensitive muscle spindles are indicated by

The interaction of sympathetic and parasympathetic systems is best described as

-The major divisions of the peripheral nervous system are the

-The resting potential across a typical neuron membrane is approximately ____ inside relative to outside.

Classification.Respond to the following statements in reference to the five regions of the vertebrate brain listed below. a.cerebrum b.hypothalamus c.pons d.cerebellum e.medulla oblongata -Activity of the two halves of the cerebrum is coordinated by means of the __________ that connects them.

MATCHING Matching.Even though there may be more than one correct letter response to some numbered items, discriminate and "juggle" so that you have the one BEST response for each. a.cells that nurture and support neurons b.a hyperpolarizing event c.a neuron cannot propagate an action potential at this time d.Acetylcholine or GABA e.interneuron in brain or spinal cord f.establishes basis of resting membrane potential g.sheathed muscle cells that contain receptors h.input i.integrator cell between sensory and motor j. modified dendrite of a sensory neuron k.a depolarizing event l. output m. muscle or gland n. produced by a Schwann cell o.cluster of cell bodies outside the CNS -effector

MATCHING Matching.Even though there may be more than one correct letter response to some numbered items, discriminate and "juggle" so that you have the one BEST response for each. a.cells that nurture and support neurons b.a hyperpolarizing event c.a neuron cannot propagate an action potential at this time d.Acetylcholine or GABA e.interneuron in brain or spinal cord f.establishes basis of resting membrane potential g.sheathed muscle cells that contain receptors h.input i.integrator cell between sensory and motor j. modified dendrite of a sensory neuron k.a depolarizing event l. output m. muscle or gland n. produced by a Schwann cell o.cluster of cell bodies outside the CNS -stimulus

-Enkephalins and endorphins are

Matching.Choose the most appropriate answer. a.integrates body position, motions, balance b.in cnidarians; based on reflex pathways devoted to swimming and feeding c.messages from here arouse the brain and maintain wakefulness d.the cortical region that coordinates muscles required for speech e.all parts of nerve cells outside the brain and spinal cord f.acetylcholine is an example g.reflex control center for breathing, heart rate, and blood pressure h.axons of the central nervous system that are sheathed with fatty myelin i.at top of the brainstem bordering the cerebral hemispheres; influences learning and emotional behavior j. motor neurons that are divided into sympathetic and parasympathetic divisions k.membrane coverings over brain spinal cord l. contains the tectum; receives and integrates sensory information that is largely sent on to the forebrain for further neural processing m. connects right and left cerebral hemispheres n. group of nerve cell bodies that form an integrative center o.contains centers concerned with body temperature regulation and with salt and water balance -frontal lobe

Matching.Choose the most appropriate answer. a.integrates body position, motions, balance b.in cnidarians; based on reflex pathways devoted to swimming and feeding c.messages from here arouse the brain and maintain wakefulness d.the cortical region that coordinates muscles required for speech e.all parts of nerve cells outside the brain and spinal cord f.acetylcholine is an example g.reflex control center for breathing, heart rate, and blood pressure h.axons of the central nervous system that are sheathed with fatty myelin i.at top of the brainstem bordering the cerebral hemispheres; influences learning and emotional behavior j. motor neurons that are divided into sympathetic and parasympathetic divisions k.membrane coverings over brain spinal cord l. contains the tectum; receives and integrates sensory information that is largely sent on to the forebrain for further neural processing m. connects right and left cerebral hemispheres n. group of nerve cell bodies that form an integrative center o.contains centers concerned with body temperature regulation and with salt and water balance -reticular formation