Christopher Couchell Muscle Physiology Purpose: The Purpose of this exercise is to understand how muscle twitch‚ contract and react to different activities. Exercise 1: Muscle Twitch A. What is a muscle twitch? A muscle twitch is the fasciculation ‚ or "muscle twitch"‚ is a small‚ local‚ involuntary muscle contraction and relaxation visible under the skin. B. According to the graphs‚ which muscle has the fastest twitch? Why? The lateral rectus eye muscle has the fastest twitch. It
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REVIEW SHEET EXERCISE 3 Neurophysiology of Nerve Impulses NAME: 1. Match each of the definitions in Column A with the appropriate term in Column B. Column A Column B __D__ term that refers to a membrane potential of about -70 mv __F__ reversal of membrane potential due to influx of sodium ions __B__ major cation found outside of a cell __A__ minimal stimulus needed to elicit an action potential __E__ period when cell membrane is totally insensitive to additional stimuli‚ regardless
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Review Sheet L201 Exam III The exam will consist of 50 multiple choice questions worth 4.8 points apiece (for a total of 240 points). The exam will cover the topics listed below. Please note that I reserve the right to use topics and terms not included on this list for incorrect answers. 1. Copyright a. What it does b. How rights are acquired c. How long copyright is protected d. First-Sale Doctrine 2. Patent a. What it does b. How rights are acquired i. Patentable subject matter ii
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Bones in our body are living tissue. They have their own blood vessels and are made of living cells‚ which help them to grow and to repair themselves. Every single person has a skeleton made up of many bones. These bones give your body structure‚ let you move in many ways‚ protect your internal organs‚ and more. As well‚ proteins‚ minerals and vitamins make up the bone. Bones have several parts‚ but are manily made out of calcium deposits. It takes around 20 years for our bones to completely
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ACG 4341 - Review Sheet - Spring 2012 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following defines variable cost behavior? Total cost reactionto increase in activity|Cost per unit reactionto increase in activity| a.|remains constant remains constant| b.|remains constant increases| c.|increases increases| d.|increases
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Shannon Green Unit 7 Anatomy and physiology for health and social care Task 5(M3) describe the routine care for each malfunction Task 5 (D2) explain how the routine care given for each malfunction affects the body system Bronchitis Smoking The person needs to stop smoking because cigarette damages the tiny hair structures in the lungs called the cilia‚ they the person continues to smoke the damage will stop the cilia from functioning properly and will increase the chances of condition
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Erythrocytes Survive 120 Days Hemoglobin * Globin: 4 folded polypeptide chains * Heme: Iron group in each polypeptide that binds 02 Enzymes: * Glycolytic: generate energy through glycolysis due to lack of mitochondria * Carbonic anhydrase: for transport of CO2 into HCO3 Erythropoiesis: * regeneration of new cells in the bone marrow Erythropoietin (hormone): * when kidneys detect not enough 02 they secrete this hormone which stimulates erythropoiesis‚ increasing 02 capacity
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6: Bones and Skeletal Tissues Objectives Skeletal Cartilages 1. Describe the functional properties of the three types of cartilage tissue. 2. Locate the major cartilages of the adult skeleton. 3. Explain how cartilage grows. Classification of Bones 4. Name the major regions of the skeleton and describe their relative functions. 5. Compare and contrast the structure of the four bone classes and provide examples of each class. Functions of Bones 6. List and describe five important functions
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especially thick in elastic arteries e. f. contains smooth muscle and elastin has a smooth surface to decrease resistance to blood flow 2. Why are valves present in veins but not in arteries? occur in veins. Valve prevent backflow the high blood pressure in propels blood forward‚ this does not 3. Name two events occurring within the body that aid in venous return. changes in thoracic cavity pressure during breathing skelete muscle "milking" action and 4. Why are the walls of arteries proportionately
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Spirituality and the Physiology of Stress. Most Americans are suffering from moderate to high stress‚ with forty four percent reporting that their stress levels have increased over the past five years (Clay‚ 2011). Headaches‚ heart disease and high blood pressure have been associated with chronic stress. In the article Chronic stress may damage dna it states that Medical care professionals estimating that nearly seventy percent of doctor visits are directly related to ongoing stress (Sharf‚ n.d
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