Name:shasou Exercise 3: Neurophysiology of Nerve Impulses: Activity 5: The Action Potential: Measuring Its Absolute and Relative Refractory Periods Lab Report Pre-lab Quiz Results You scored 50% by answering 2 out of 4 questions correctly. 1. Which of the following occurs after the peak of the action potential? Your answer : b. Voltage-gated K+ channels open. Correct answer: d. All of these occur. 2. What is meant by Na+ channel inactivation? Your answer : a. The Na+ channel opens when the membrane
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emotions‚ hunger and thirst. Our spinal cord extends several types of nerve fibers from the brain acts like a switching and relay terminal for the peripheral nervous system as is stated in Mosby’s Dictionary. The 12 pairs of cranial nerves emerge directly from the brain Sensory nerves and motor nerves of the peripheral system leave the spinal cord separately between the vertebrae but unite to form 31 pairs of spinal nerves containing sensory fibers and motor fibers. More than 10 billion neurons
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Moorpark College Human Physiology Name: _________________________________ EXERCISE 3 Neurophysiology of Nerve Impulses Laboratory Report Answer the following questions. (3 points each). 1. What is the difference between membrane irritability and membrane conductivity? Membrane irritability is the ability to respond to a stimuli and convert it in to nerve impulses. Membrane conductivity is the ability to transmit that impulse that is created by membrane irritability. 2
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Ronald Ian T. Borja BSEE - SEP I - R Biofuel Made of Used Cooking Oil Introduction Biofuel‚ a gasoline and diesel fuel substitute that can be made from a variety of oils‚ fats‚ and greases‚ is of interest to farmers for a number of reasons: It can provide an additional market for vegetable oils and animal fats. Biofuel is an organic‚ non-toxic and biodegradable fuel made from everyday renewable resources. It can power your car ’s engine and help the environment at the same time. It doesn ’t
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Introduction Neurons (also known as neurons‚ nerve cells and nerve fibers) are electrically excitable and the most important cells in the nervous system that functions to process and transmit information. Neurons have a large number of extensions called dendrites. They often look likes branches or spikes extending out from the cell body. It is primarily the surfaces of the dendrites that receive chemical messages from other neurons. One extension is different from all the others‚ and is called
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Physiology for Human Movement Cardiovascular Dynamics Laboratory Report Student ID 2010004614 Due date and Value: This report must be submitted as a soft copy via email to abarnett@hku.hk no later than 5:00 pm 4 April 2012. Penalties apply for late submission‚ see course outline for details. You must attend the laboratory session to get a mark for the related report. References used when answering questions must appear in a reference list at the end of your report. Value: This report contributes
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Trigeminal nerve The trigeminal nerve is the fifth of twelve pairs of cranial nerves enervating the face and head‚ and is denoted by the Roman Numeral V. It has three divisions which enervate the forehead and eye (ophthalmic V1)‚ cheek (maxillary V2) and lower face and jaw (mandibular V3). The trigeminal nerves function in sensing facial touch‚ pain and temperature‚ as well as controlling muscles used for chewing. The trigeminal nerve functions should be distinguished from the facial nerve (cranial
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experiment is to examine the results of stimulation on a frog’s sciatic nerve by looking at its compound action potential‚ the conduction velocity‚ and by quantifying the total and absolute refractory period between the nerve at room and cold temperature. An oscilloscope‚ preamplifier‚ and stimulator were used to stimulate the frog’s nerve located in the nerve chamber. Threshold voltage was determined by stimulating the nerve at increasing voltages until a compound action potential resulted. Absolute
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Cranial Therapy — How it works & when to use it Different theories on how it works Exactly how craniosacral therapy works is still being explored. Scientific research continues to investigate the existence of the craniosacral rhythm and to distinguish it from the heart or respiratory rate. Research to date has been inconclusive and further study is clearly necessary. Dr. Sutherland described a palpable rhythmic movement within the body that occurs in the expansion and contraction of the bones of
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Soil Mechanics CE 32002 Oedometer Laboratory Testing Report (Consolidation) Group 13 Jordan Lowth Edwin Mwombeki Girven Venyen Division of Civil Engineering University of Dundee School of Engineering‚ Physics and Mathematics University of Dundee Table of Contents Contents 1.0 INTRODUCTION 3 2.0 AIM 4 3.0 METHODOLOGY 4 3.1 Apparatus 4 3.2 Setup 4 3.3 Procedure 5 3.4 Precautions 5 4.0 RESULTS/CALCULATIONS 6 5.0 DISCUSSION 6
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