Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 11, Problem 17RQ
Summary Introduction
To determine: The reason behind the increased influx of Na+ ions as compared to the efflux of K+ ions when the nicotinic receptor allows both Na+ and K+ to move through.
Introduction: The membrane potential develops when there is a difference between the electric charge in the interior and the exterior of the cell membrane. It is mostly caused by the difference in the permeability of essential ions across the membrane. The movement of sodium (Na+) and potassium ions (K+) across the cell membrane is also based on the different concentrations of ions present on both sides of the membrane.
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Chapter 11 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 11.1 - Prob. 1CCCh. 11.1 - The central nervous system consists of the...Ch. 11.1 - Prob. 3CCCh. 11.1 - A nerve that carries both sensory and motor...Ch. 11.1 - Prob. 5CCCh. 11.1 - In what organelle is most intracellular Ca2+...Ch. 11.1 - Prob. 7CCCh. 11.1 - Prob. 8CCCh. 11.1 - Prob. 9CCCh. 11.2 - Prob. 10CC
Ch. 11.2 - Compare gating and ion selectivity of...Ch. 11.2 - Prob. 12CCCh. 11 - Prob. 1RQCh. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Neurons that secrete acetylcholine are described...Ch. 11 - List four things that can happen to autonomic...Ch. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Somatic motor pathways a. are excitatory or...Ch. 11 - Prob. 10RQCh. 11 - Prob. 11RQCh. 11 - Compare and contrast: a. neuroeffector junctions...Ch. 11 - Prob. 13RQCh. 11 - Create a concept map comparing the somatic motor...Ch. 11 - If a target cells receptor is _______ (use items...Ch. 11 - Ganglia contain the cell bodies of (choose all...Ch. 11 - Prob. 17RQCh. 11 - You have discovered a neuron that innervates an...Ch. 11 - Prob. 19RQCh. 11 - Prob. 20RQ
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- Nicotinic receptors are located on which of the following? a. plasma membranes of ganglionic neurons b. target cells that receive parasympathetic innervation c. blood vessels in skeletal muscles d. sweat glandsarrow_forwardIf postsynaptic membrane permeability is increased, is theneuron more easily stimulated or less excitable?arrow_forwardWhat is the direct effect (prior to any reflex compensation) of administeringintravenously a selective beta 1 receptor agonist?A)Increased heart rate, stroke volume and total peripheral resistance.B)Increased total peripheral resistance and renin secretion.C)Increased heart rate and stroke volume.D) Increased total peripheral resistance and decreased renin secretion.E) Decreased renin secretion, total peripheral resistance and heart rate.arrow_forward
- List examples of second messengers, and explain how they exerttheir effects.arrow_forwardGive an account of signalling at a neuromuscular junction through the nicotinic acetylcholine receptor.arrow_forwardDraw an ouline of the autonomic system and identify the neurotransmitters and receptors such as dopamine,norephinephrine and etc. and where it binds to alpha and beta. please explain as wel.arrow_forward
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