Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 23.6, Problem 14CC
Summary Introduction
To determine: The effect of hypercalcemia on neuronal membrane potential and the reason for the depressing neuromuscular excitability.
Introduction: The concentration of calcium ions plays an important role in the working of the neurons. The condition in which the concentration of plasma calcium ions is low is known as hypocalcemia. Hypercalcemia is the condition in which calcium ions are highly concentrated in the plasma.
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Chapter 23 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 23.2 - Prob. 1CCCh. 23.2 - Prob. 2CCCh. 23.2 - What do the abbreviations HPA and CBG stand for?...Ch. 23.2 - Prob. 4CCCh. 23.2 - Prob. 5CCCh. 23.2 - Prob. 6CCCh. 23.2 - Would someone with Addisons disease have normal,...Ch. 23.2 - Prob. 8CCCh. 23.3 - A woman who had her thyroid gland removed because...Ch. 23.3 - Prob. 10CC
Ch. 23.4 - Prob. 11CCCh. 23.5 - Prob. 12CCCh. 23.5 - Prob. 13CCCh. 23.6 - Prob. 14CCCh. 23.6 - Prob. 15CCCh. 23.6 - Prob. 16CCCh. 23.6 - Prob. 17CCCh. 23 - Name the zones of the adrenal cortex and the...Ch. 23 - For (a) cortisol, (b) growth hormone, (c)...Ch. 23 - Prob. 3RQCh. 23 - Prob. 4RQCh. 23 - Define each of the following terms and explain its...Ch. 23 - Prob. 6RQCh. 23 - Prob. 7RQCh. 23 - Prob. 8RQCh. 23 - Define, compare, and contrast or relate the terms...Ch. 23 - Prob. 10RQCh. 23 - Prob. 11RQCh. 23 - Osteoclasts make acid (H+) from CO2 and H2O. They...Ch. 23 - Prob. 13RQCh. 23 - One diagnostic test to determine the cause of...Ch. 23 - Prob. 15RQCh. 23 - Prob. 16RQCh. 23 - Prob. 17RQCh. 23 - Prob. 18RQCh. 23 - Prob. 19RQ
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- What neurotransmitter is released at the neuromuscular junction? norepinephrine serotonin dopamine acetylcholinearrow_forwardWhat do you mean by actin myofilaments?arrow_forwardIf neurons fire action potentials when membrane potential reaches -50mV, how would hyperkalemia affect neuronal excitability (likelihood of the neuron firing action potentials)?arrow_forward
- If postsynaptic membrane permeability is increased, is theneuron more easily stimulated or less excitable?arrow_forwardWhat is the function of the sodium-potassium pump during the nerve impulse transmission? Which is the ratio of Na-K with inside/outside the cell?arrow_forwardWhat kinds of changes in ion conductance may be expected in an action potential? And how do ion channels permit these changes?arrow_forward
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