Neurophysiology of Nerve Impulses ACTIVITY 1 The Resting Membrane Potential 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels. If the extracellular K+ increases then the concentration of intracellular K+ will decrease causing a decrease in the steepness of the concentration gradient and fewer K+ ions would be drawn out. 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative
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Vol.2 Chapter 7‚ 8 & 9 What happens: The monster wishes to reveal himself to the cottagers in the hope that they will see past his hideous exterior and befriend him. The family goes one day for a long walk. The monster enters the cottage but the other three return unexpectedly. Felix drives the monster away‚ horrified by his appearance. In the wake of this rejection‚ the monster swears revenge against all human beings and he makes his way toward Geneva. Having explained to Victor the circumstances
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body was expelling CO2 and H+. 7. Did the PCO2 level change during the curse of this run? If so‚ how? Yes‚ the PCO2 level dropped from 40 to 19.7 because the body was getting rid of CO2 by hyperventilating. 8. If you observed an acid/base imbalance during this run‚ how would you expect to renal system to compensate for this condition? The renal system would generate H+ and excrete HCO3- to counteract the respiratory system and lower the pH back to homeostasis. 9. How did the hyperventilation trace
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Crosstalk- unwanted signals in a communication channel (as in a telephone‚ radio‚ or computer) caused by transference of energy from another circuit (as by leakage or coupling) Waveguides- a device (as a duct‚ coaxial cable‚ or glass fiber) designed to confine and direct the propagation of electromagnetic waves FTTH- the installation and use of optical fiber from a central point directly to individual buildings such as residences‚ apartment buildings and businesses to provide unprecedented high-speed
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1. Triple DES Triple DES was designed to replace the original Data Encryption Standard (DES) algorithm‚ which hackers eventually learned to defeat with relative ease. At one time‚ Triple DES was the recommended standard and the most widely used symmetric algorithm in the industry. Triple DES uses three individual keys with 56 bits each. The total key length adds up to 168 bits‚ but experts would argue that 112-bits in key strength is more like it. Despite slowly being phased out‚ Triple DES still
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The proposed method is illustrated as a flow chart in Fig 3. First‚ the source node broadcast the RREQ to neighbor nodes. The neighbor nodes forward the Route Request (RREQ) to the destination node. Destination node stores the neighbor RREQ in a table and checks the RREQ. If RREQ is from the true Source node address‚ then the system is regular and begins to transmit test data packets otherwise repeat the process. Next‚ it will check the packet delivery ratio if packet delivery ratio drops to threshold
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ACTIVITY 1: THE RESTING MEMBRANE POTENTIAL 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out the neuron through the K+ leak channels? When the diffusion is greater on one side‚ the other side will slow down. 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative value. How well did the results compare with your predictions? There are two potassium’s for every sodium so the increase of potassium will make it more
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The Great Gatsby‚ by F. Scott Fitzgerald Chapter 7 It was when curiosity about Gatsby was at its highest that the lights in his house failed to go on one Saturday night — and‚ as obscurely as it had begun‚ his career as Trimalchio was over. Only gradually did I become aware that the automobiles which turned expectantly into his drive stayed for just a minute and then drove sulkily away. Wondering if he were sick I went over to find out — an unfamiliar butler with a villainous face squinted at me
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Worst‚ because the breathing is more shallow and incomplete. The lungs are not able to inhale or exhale as much as in Activity 2. 7. What is the effect of reducing the radius of the air flow tube on respiratory volumes? The air flow was decreasing‚ which decreased the respiratory volume. 8. What does the air flow tube simulate in the human body? The trachea 9. What could be some possible causes of reduction in air flow to the lungs? An allergic reaction could cause the trachea to swell which
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Exercise 2: Skeletal Muscle Physiology: Activity 2: The Effect of Stimulus Voltage on Skeletal Muscle Contraction Lab Report Pre-lab Quiz 1. Skeletal muscle fibers are innervated (stimulated) by c. motor neurons. 2. A single action potential propagating down a motor axon results in d. a single action potential and a single contractile event in the muscle fibers it innervates. 3. In resting skeletal muscle‚ calcium is stored in c. the sarcoplasmic reticulum. 4. During the latent period
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