Exam 11: Efferent Division: Autonomic and Somatic Motor Control

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Match the response with the type of chemical. -blocks urination

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Section Title: The Autonomic Division Learning Outcome: 11.3 Skill: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) -Describe the different types of cholinergic receptors in the nervous system.Which neurotransmitter binds to each type?

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Cholinergic receptors are either nicotinic or muscarinic; they are distinguishable by the binding of either nicotine or muscarine to the same receptors.Both receptors bind to acetylcholine.

Match the response with the type of chemical. -decreased activity in digestive tract

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The division of the autonomic nervous system that prepares the body for intense levels of activity and stress is the

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Autonomic neurotransmitters are synthesized in the ________.

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Match the answers to the questions. -It is important during stress or emergencies (fight-or-flight).

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You and your fellow deep-sea scientists have discovered a new form of marine invertebrate,and are anxious to determine the similarities and differences to animals already characterized.Chemical analysis reveals the following concentrations of permeable cations: You and your fellow deep-sea scientists have discovered a new form of marine invertebrate,and are anxious to determine the similarities and differences to animals already characterized.Chemical analysis reveals the following concentrations of permeable cations:    Nernst equation: E<sub>ion</sub> = 61/z × log [ion]<sub>out</sub>/[ion]<sub>in</sub> -Control of the neuromuscular junction in this new invertebrate is found to involve dual innervation,where one motor neuron secretes an excitatory neurotransmitter and another secretes an inhibitory neurotransmitter onto the muscle.How does this compare to the human neuromuscular junction? Propose three different types of inhibitory receptors/channels that would produce inhibition of the invertebrate muscle,specifying ion and direction of ion flow.For each ion,calculate the equilibrium potential.What similarity do you notice in the equilibrium potentials of the ions involved,and how is that significant? How may inhibition be accomplished in human muscle? Nernst equation: Eion = 61/z × log [ion]out/[ion]in -Control of the neuromuscular junction in this new invertebrate is found to involve dual innervation,where one motor neuron secretes an excitatory neurotransmitter and another secretes an inhibitory neurotransmitter onto the muscle.How does this compare to the human neuromuscular junction? Propose three different types of inhibitory receptors/channels that would produce inhibition of the invertebrate muscle,specifying ion and direction of ion flow.For each ion,calculate the equilibrium potential.What similarity do you notice in the equilibrium potentials of the ions involved,and how is that significant? How may inhibition be accomplished in human muscle?

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Both alpha-bungarotoxin and curare bind to the same neurotransmitter receptor,but only curare binds reversibly.Which receptor is involved? List some locations for this receptor.Would either toxin be appropriate to use as a paralytic during surgery? Explain your answer.Are all such receptors necessarily affected by a given toxin in the same way? Explain the significance of your answer.

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Match the answers to the questions. -It dominates during resting-and-digesting activities.

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Phenelzine is a common MAO inhibitor that has been used to treat depression.It is not,however,prescribed as often as other antidepressants due to its effects on the autonomic nervous system.Describe several side effects that may result from taking phenelzine and explain why they might occur.

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If the results of ufo-epi treatment of humans included pupil dilation,localized sweating,high blood pressure,and high blood glucose,which conclusion would be indicated?

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Which of the following has its cell body in the ganglion?

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Each of these statements is true except one.Identify the exception.

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Which functions are controlled through the autonomic nervous system? 1)blood pressure 2)heart rate 3)water balance 4)temperature regulation

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The two varieties of adrenergic receptors are ________ and ________.

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The signal molecule ________ elicits the stronger response from beta2 receptors.

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Match the response with the type of chemical. -blocks secretion of pancreatic enzymes

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Match the answers to the questions. -Inside the ganglia are interneurons,which modulate messages.

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Nicotine is thought to cause approximately ________ deaths per year,worldwide.

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Match the following with its description. -parasympathetic tissue receptor

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