Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 35, Problem 8RQ
For a neuron to fire an action potential, its membrane must reach.
- hyperpolarization
- the threshold of excitation
- the refractory period
- inhibitory postsynaptic potential
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The changes in membrane potential when a neuron is transmitting information is called .....
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The membrane potential at which voltage-gated sodium channels in a neuron axon open, causing an action potential
The membrane potential of a neuron at rest
What word is used to describe the summation of excitatory and inhibitory stimuli by a neuron?
synapse
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Chapter 35 Solutions
Biology 2e
Ch. 35 - Figure 35.3 Which of the following statements is...Ch. 35 - Figure 35.11 Potassium channel blockers, such as...Ch. 35 - Figure 35.26 Which of the following statements is...Ch. 35 - Neurons contain _____ which can receive_____...Ch. 35 - A(n)______neuron has one axon and one____ dendrite...Ch. 35 - Glia that provide myelin for neurons in the brain...Ch. 35 - Meningitis is a viral or bacterial infection of...Ch. 35 - For a neuron to fire an action potential, its...Ch. 35 - After an action potential, the opening of...Ch. 35 - What is the term for protein channels that connect...
Ch. 35 - Which of the following molecules is not involved...Ch. 35 - Thelobe contains the visual cortex frontal...Ch. 35 - Theconnects the two cerebral hemispheres. limbic...Ch. 35 - Neurons in Thecontrol motor reflexes. thalamus...Ch. 35 - Phineas Gage was a 19th century railroad worker...Ch. 35 - Activation of the sympathetic nervous system...Ch. 35 - Where are parasympathetic preganglionic cell...Ch. 35 - ______ is released by motor nerve endings onto...Ch. 35 - Parkinson’s disease is a caused by the...Ch. 35 - __________ medications are often used to treat...Ch. 35 - Strokes are often caused by. neurodegeneration...Ch. 35 - Why is it difficult to identify the cause of many...Ch. 35 - Why do many patients with neurodevelopmentaJ...Ch. 35 - How are neurons similar to other cells? How are...Ch. 35 - Multiple sclerosis causes demyelination of axons...Ch. 35 - Many neurons have only a single axon, but many...Ch. 35 - How does myelin aid propagation of an action...Ch. 35 - What are the main steps in chemical...Ch. 35 - Describe how long-term potentiation can lead to a...Ch. 35 - What methods can be used to determine the function...Ch. 35 - What are the main functions of the spinal cord?Ch. 35 - Alzheimer’s disease involves three of the four...Ch. 35 - What are the main differences between the...Ch. 35 - What are the main functions of the sensory somatic...Ch. 35 - Describe how the sensory-somatic nervous system...Ch. 35 - Scientists have suggested that the autonomic...Ch. 35 - What are the main symptoms of Alzheimer’s disease?Ch. 35 - What are possible treatments for patients with...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A neuron responds to adequate stimulation with _______, a type of self-propagating signal.arrow_forwardStellate cells initially process sensory input to the cortex, whereas pyramidal cells send fibers from the cortex to terminate on efferent motor neurons. (True or false)arrow_forwardThe threshold of excitation is the voltage level at which ________ an excitatory postsynaptic potential can be measured an action potential is triggered a decrease in the rate of action potentials occurs potassium channels closearrow_forward
- When they are not being stimulated, neurons have an electrical charge across their membranes called the resting potential. This potential is______ charged inside. When a neuron receives a sufficiently large stimulus, and reaches a potential called the_______ , it produces an action potential. This causes the neuron to become_____ charged inside.arrow_forwardWhen a neuron fires an action potential, the information travels through the axon,the dendrites, and the cell body, but not in that order. Place these three structures in the correct order.arrow_forwardWhen EPSP and IPSP occur simultaneously the postsynaptic membrane :-a- becomes depolarizedb- becomes hyperpolarizedc- initiates an action potentiald- shows potential changes that depend upon the summation of their effectsarrow_forward
- Which of the following would occur if a neuron was experimentally stimulated simultaneously at both ends? The action potentials would pass in the middle and travel to the opposite ends The action potentials would stop as they meet in the middle. The stronger action potential would override the weaker action potential. Summation would occur when the action potentials meet in the middle, resulting in a larger action potential.arrow_forwardThe membrane potential caused by differences in ions across the plasma membrane of an electrically excitable cell (when not stimulated) is called: action potential resting membrane potential graded potential local potentialarrow_forwardWhich of the following can increase the likelihood of a neuron generating an action potential? tetrodotoxin (TTX) reducing the external concentration of K+ decreased diffusion of K+ through leak channels out of the neuron All of the abovearrow_forward
- If a neurotransmitter binds to a receptor that opens potassium channels, the result is ... Group of answer options ... that an IPSP is formed. . .. that an EPSP is formed. ... no change in membrane potential.arrow_forwardThe main function of an axon is to... genreate EPSPs or IPSPs when neurotransmitters bind their membranes generate and transmit signals in the form of action potentials function as the biosynthetic center of the neutron form the myelin sheatharrow_forwardThese neurons belongs to the CNS: (More than one possible choice) A neuron in the brain A neuron carrying a signal into a skeletal muscle A neuron carrying a signal into cardiac muscle A neuron carrying signals form receptors in the skin A neuron carrying signals from the stomach a neuron in the spinal cord grey matterarrow_forward
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