Fundamentals of Anatomy and Physiology - Study Card
1st Edition
ISBN: 9780321929303
Author: Martini
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 14CP
What effect would decreasing the concentration of extracellular potassium ions have on the membrane potential of a neuron?
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Chapter 12 Solutions
Fundamentals of Anatomy and Physiology - Study Card
Ch. 12 - Prob. 1CPCh. 12 - Describe the two functional divisions of the...Ch. 12 - 3. Identify the two components of the efferent...Ch. 12 - Prob. 4CPCh. 12 - Name the structural components of a typical...Ch. 12 - Classify neurons according to their structure.Ch. 12 - Classify neurons according to their function.Ch. 12 - Prob. 8CPCh. 12 - Prob. 9CPCh. 12 - Prob. 10CP
Ch. 12 - Prob. 11CPCh. 12 - Prob. 12CPCh. 12 - Prob. 13CPCh. 12 - What effect would decreasing the concentration of...Ch. 12 - Define action potential.Ch. 12 - Identify the steps involved in the generation and...Ch. 12 - Prob. 17CPCh. 12 - Which of the following axons is myelinated: one...Ch. 12 - Prob. 19CPCh. 12 - Prob. 20CPCh. 12 - What effect would blocking voltage-gated calcium...Ch. 12 - Prob. 22CPCh. 12 - Prob. 23CPCh. 12 - Prob. 24CPCh. 12 - Prob. 25CPCh. 12 - Prob. 26CPCh. 12 - Prob. 27CPCh. 12 - LEVEL 1 Reviewing Facts and Terms 1. Label the...Ch. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 4RQCh. 12 - The neural cells responsible for the analysis of...Ch. 12 - Depolarization of a neuron plasma membrane will...Ch. 12 - Prob. 7RQCh. 12 - Receptors that bind acetylcholine at the...Ch. 12 - What are the major components of (a) the central...Ch. 12 - Prob. 10RQCh. 12 - Prob. 11RQCh. 12 - If the resting membrane potential of a neuron is...Ch. 12 - Prob. 13RQCh. 12 - What is the difference between anterograde flow...Ch. 12 - What is the functional difference among chemically...Ch. 12 - State the all-or-none principle cf action...Ch. 12 - Prob. 17RQCh. 12 - Prob. 18RQCh. 12 - What are the structural and functional differences...Ch. 12 - Describe the events that occur during nerve...Ch. 12 - Prob. 21RQCh. 12 - Prob. 22RQCh. 12 - Prob. 23RQCh. 12 - In multiple sclerosis, there is intermittent and...Ch. 12 - Prob. 25RQCh. 12 - Prob. 1CCCh. 12 - Prob. 2CC
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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
- Conformational changes in channel proteins brought about by voltage changes are responsible for opening and closing Na+ and K+ gates during the generation of an action potential. (True or false?)arrow_forwardIf extracellular [Na1] is elevated, how would the resting potential and action potential of a neuron change?arrow_forwardIf sodium and potassium ions are both positively charged, what causes the negative membrane potential in a resting neuron?arrow_forward
- What are the roles of membrane fluidity in neuron function? What are the roles of conformational changes in proteins and amplification in neuron function?arrow_forwardWhy is the movement of ions across the plasma membrane important, and in which direction do ions move during each phase of the action potential?arrow_forwardWhat is the role of ions, the phospholipid bilayer, and plasma membrane channels in neurons relative to the concepts of current, voltage, and resistance?arrow_forward
- What would happen if summation of graded potentials in a neuron did not occur?arrow_forwardHow much of a change in the membrane potential is necessary for the summation of postsynaptic potentials to result in an action potential being generated?arrow_forwardthe potassium leak channels were suddenly blocked in a resting neuron, what would happen to its resting membrane potential?arrow_forward
- How do depolarize, repolarize, and hyperpolarize describe the direction of changes in the membrane potential relative to the resting potential in an excitable cell?arrow_forwardWhat is the expected resting membrane potential (in mV) of a neuron that is typical in all ways except for possessing an intracellular potassium concentration of 94 mM and double the normal resting permeability to sodium?arrow_forward
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