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 9RQ
After an action potential, the opening of additional____voltage-gated ____ channels and The inactivation of sodium channels, cause the membrane to return to its resting membrane potential.
- sodium
- potassium
- calcium
- chloride
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After an action potential, the opening of voltage-gated ________ channels and the inactivation of sodium channels, cause the membrane to return to its resting membrane potential.
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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
- When action potentials arrive at a synapse between a neuron and another cell, they stimulate the release of molecules of a ________ that diffuse over to that cell.arrow_forwardA neuron responds to adequate stimulation with _______, a type of self-propagating signal.arrow_forwardThe accelerating flow of _______ ions through gated channels across the membrane triggers an action potential. a. potassium b. sodium c. hydrogen d. a and barrow_forward
- Figure 35.11 Potassium channel blockers, such as amiodarone and procainamide, which are used to treat abnormal electrical activity in the heart, called cardiac dysrhythmia, impede the movement of K+ through voltage-gated K+ channels. Which part of the action potential would you expect potassium channels to affect?arrow_forwardAction potentials occur when ______. a. potassium gates close b. a stimulus pushes membrane potential to threshold c. sodium-potassium pumps become active d. neurotransmitter is reabsorbedarrow_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_forward
- Which of the following describes a threshold potential? A brief reversal of the charge difference across a neuron's plasma membrane 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 restarrow_forwardAn influx of positive sodium ions causes opening of the activation gates of voltage regulated sodium channels resulting in a further influx of positive sodium ions, and thus the initial stages of an action potential are regulated by ______ feedback.arrow_forwardThe membrane potential labeled (0) is due to which of the following (when compared to (3) potential. (A) voltage-gated Na+ channels (B) voltage-gated K+ channels (C) voltage-gated slow Ca++ channels (D) voltage-gated fast Ca++ channels (E) voltage-gated transient Ca++ channels (F) funny channelsarrow_forward
- Which of the following phases of an action potential is correctly matched with the changes in ion movement and membrane potential? All of these are correctly matched. Phase 1 – sodium movement into the cell Phase 3 – potassium movement into the cell Phase 2 – sodium movement out of the cellarrow_forwardA neuron receiving a large enough signal, a resting potential changes and produces electrical impulse called ___________.arrow_forwardDuring the _____ phase of an action potential, the membrane potential is more positive than the resting potential, but potassium is leaving the cell and sodium is no longer entering, so membrane potential is _____.arrow_forward
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