Neurophysiology of Nerve Impulses Activity 8: Chemical Synaptic Transmission and Neurotransmitter Release (20 points total) Notes: • After reading the Overview and Introduction‚ Click on Experiment. • Follow the directions on the left side of the menu to complete the lab. Use the data chart to answer the following questions. You do not have to submit your lab to be recorded. Lab Analysis Questions (5 points each) 1. What is the purpose of a neurotransmitter? 2. Which chemical
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1.) When you forcefully exhale your entire expiratory reserve volume‚ any air remaining in your lungs is called the residual volume (RV). Why is it impossible to further exhale the RV (that is‚ where is this air volume trapped‚ and why is it trapped?) This "dead space" of air needs to stay in your lungs constantly; otherwise the lung will completely deflate. If the lung has every bit of air sucked out of it‚ it will collapse and need to be re-inflated. 2.) How do you measure a person’s
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Christopher Flores March 8‚ 2011 Mr. Haile 1301.155 Exercise for the Body You know exercise is good for you -- but do you know how good? At its most basic‚ exercise is any type of physical exertion we perform in an effort to improve our health‚ shape our bodies‚ and boost performance (Waehner‚ Web). Adults‚ men and women‚ and teens both benefit from exercise and physical activity in many different ways. Exercise should play a key role in everyone’s daily life‚ not only does it boost self
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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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M14_MARI6128_10_SE_CH14.QXD 1/19/11 5:58 PM Page 193 NAME_________________________________ LAB TIME/DATE ________________________ EXERCISE R E V I E W S H E E T 14 Key: a. b. endomysium epimysium fascicle fiber myofibril myofilament perimysium sarcolemma sarcomere sarcoplasm tendon Microscopic Anatomy and Organization of Skeletal Muscle Skeletal Muscle Cells and Their Packaging into Muscles 1. Use the items in the key to correctly identify the structures described below
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Review Sheet Exercise 3 Neurophysiology of Nerve Impulses Eliciting (Generating) a Nerve Impulse 1. Why don’t the terms depolarization and action potential mean the same thing? They require different things. Action potential requires depolarization and repolarization. Depolarization doesn’t require anything. 2. What was the threshold voltage in Activity 1? 3.0V 3. What was the effect of increasing the voltage? How does this change correlate to changes in the nerve? The action potential
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Exercise 1 Cell Transport Mechanisms and Permeability Name ____________________________________________________________ Lab Time/Date ______________________________ Activity 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. * The size of the pores of the membrane * The size of the molecule diffusing through the membrane 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results
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Optic nerve sheath diameter (ONSD) The anatomy of the optic nerve sheath : The intraorbital section of the optic nerve extends from the globe‚ where it inserts medially‚ to the optic canal located in the lesser wing of the sphenoid bone. It is encased by a meningeal sheath consisting of dura mater‚ arachnoid mater and pia mater. Cerebrospinal fluid is contained in the trabeculated subarachnoid space and is continuously and slowly filtered. As a result the optic nerve sheath is in direct
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familiarityEase in cleaningSimplified securityPossibility of self-service | Limited browsingLimited creativity in décor (Plain and uninteresting)Stimulation of rushed shopping behavior | FREE-FLOW LAYOUT | Incread creativity in decor items to display?sed impulse buyingVisual appealFlexibility | Possible confusionWaste of floor spaceDifficulty in cleaning | 2. What psychological effects of a pharmacy layout may influence customer-buying behavior? * Value/Fashion image – Presentation of the product
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ORGANIC CHEMISTRY LAB I IR INTERPRETATION EXERCISE NAME ______________________________________________ ASSIGNMENT GRADE __________ Total points: 100 Assign one of the structures A – J presented on page 2 to each of the IR spectra provided (1 – 10). Base your assignment on one or more key frequencies‚ according to guidelines presented in the recitation notes and on p. A19–A31 of your textbook. Especially useful are p. A19 and A20. For each spectrum do the following: 1. Mark key absorption frequencies
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