Chapter 111) Explain the basic functions of the nervous system2) Describe the relationships between the different divisions ofthe nervous system3) Identify the cell types and their functions of the nervoussystems4) Explain the difference between white and gray matter.5) Describe how action potentials are transmitted through thenervous system6) Distinguish between a chemical and electrical synapse7) Explain the function of neurotransmitters in a synapse8) Discuss how synapse function can be affected by differentexcitatory and inhibitory synaptic potentials.9) Explain how drugs function in relation to the nervous system

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Answered: Chapter 11 1) Explain the basic…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

Which of the following is NOT a characteristic of the function of the vertebrate nerve cell/ nervous system? a) nerve cells keep the levels of Na + and k+ AT Equilibrium on both sides of the cell membrane at all times b) Nerve cells produce impulses that release neurotransmitters to stimulate other cells C) Nerve cells generate motor output (movement) d) nerve cells use neurotransmitters to regulate other cells e)nerve cells are speacialized in employing specific receptors to react to a specific stimulus
1) Voltage-gated ion channels on the cell body: a) allow Ca2+ to enter, leading to neurotransmitter release. b)have binding sites for neurotransmitters. c)open following entry of Na+ through ligand-gated channels. d) are inactivated by enzymes in the synaptic cleft.
1) State whether the property described below is one of electrical synapses, chemical synapses, or both a) Unidirectionalb) Intercellular communicationc) Ionotropic receptorsd) Connected by gap channelse) Quantal release of neurotransmittersf) Regulation of ion transportg) Negligible synaptic delaye) Bidirectionalf) Activation of secondary messengers
Which of the following occurs during synaptic transmission? Select ALL that apply A) vesicles filled with neurotransmitter are released into the synapse B) an action potential travels through a neuron like a wave C) neurotransmitter binds to receptors on the sending neuron D) neurotransmitter binding to a receptor triggers the opening of an ion channel E) ions enter the receiving neuron's dendrites
If the gene for B-catenin is knocked out, what will happen to synapse development? a) Adhesion molecules will be anchored too tightly b) The number of synaptic spines will decrease c) Synaptic spines will not be pruned d) Synaptic spines will be over-pruned
Which of the following is depicted in the diagram? A) Somatic nervous system B) spinal reflex arc C) sympathetic nervous system D) parasympathetic nervous system
The development of a) transmembrane proteins b) cell-cell signaling c) dendritic spines is the first known evolutionary precursor to synapses. d) GABA receptors
10) which of the following definitions does not match the neuron structure? a) cell body;integrating center of the neuron b) axon; structure which sends the impulse c) dendrite; structure which receives the impulse d) dendrite; structure which sends the impulse
please answer 15,16,17
Which of the following is comparable to a positive feedback cycle? a) opening of voltage-gated Ca2+ channels in response to an action potential arriving at the axon terminal b) opening of voltage-gated Na+ channels in response to a depolarizing graded potential c) movement of K+ through leak channels d) operation of the Na+-K+ ATPase at rest e) opening of voltage-gated K+ channels in response to a depolarizing graded potential
please answer 18,19,20,
Action potentials and graded potentials both…A) Propagate long distances through neural structures, without attenuation in their amplitude.B) Can directly excite or inhibit neurons.C) Can propagate at speeds of up to 120 meters per second.D) Involve voltage-gated Nav and Kv channels.E) Are capable of triggering synaptic exocytosis in neurons of the vertebrate retina

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