"Physio ex 9" Essays and Research Papers

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    Physio Ex Exp 8

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    digestive process. 6. To discuss the possible role of temperature and pH in the regulation of enzyme activity. 7. To define enzyme‚ catalyst‚ control‚ substrate‚ and hydrolase. 8. To explain why swallowing is both a voluntary and a reflex activity. 9. To discuss the role of the tongue‚ larynx‚ and gastroesophageal sphincter in swallowing. 10. To compare and contrast segmentation and peristalsis as mechanisms of propulsion. Chemical Digestion of Foodstuffs: Enzymatic Action Nutrients can only

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    Physio Ex Exercise 5

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    viscosity. 8. What effect would anemia have on blood flow? Why? It would decrease blood flow because the blood vessels constrict in anemics. The following questions refer to Activity 3: Studying the Effect of Flow Tube Length on Fluid Flow. 9. At what flow tube length was the flow rate the highest? 10 mm 10. Describe the relationship between flow tube length and fluid flow rate. The shorter the length the faster the flow. 11. What effect do you think obesity would have on blood flow

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    Physio Ex Exercise 4.1

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    Exercise 4: Endocrine System Physiology: Activity 1: Metabolism and Thyroid Hormone Lab Report Pre-lab Quiz Results You scored 100% by answering 6 out of 6 questions correctly. 1. Which of the following statements about metabolism is false? You correctly answered: d. All of the energy from metabolism is ultimately stored in the chemical bonds of ATP. 2. Thyroxine is You correctly answered: c. the most important hormone for maintaining the metabolic rate and body temperature. 3. Thyroid-stimulating

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    Physio Ex 8.0 Exercise 3

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    potential? Hint: Think about the sodium permeability of the neuron (Figure 3.2e). Because of the addition of chloride. Inhibiting a Nerve Impulse 8. What was the effect of ether on eliciting an action potential? There was no action potential. 9. Does the addition of ether to the nerve cause any permanent alteration in neural response? yes 10. What was the effect of curare on eliciting an action potential? There was action potential. 11. Explain the reason for your answer to question

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    Physio Ex 9.0 Exercsie 3

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    PhysioEx 9.0 Exercise 3 Neurophysiology of Nerve Impulses A C T I V I T Y 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. Increasing the extracellular potassium reduces the concentration gradient‚ and less potassium diffuses out of the neuron and into the cell. 2. Explain why increasing extracellular K_ causes the membrane potential to change to a less negative value.

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    Physio Ex 9.0 Exercise 3

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    Physiology Exercise 3 Activity 1 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels. Your answer: By increasing the extrecellular K+ the net diffiusion of K+ out the neuron through the eak channels is reduced. This is caused by the flow of ions following the concentration gradient of traveling from an area of high concentration to areas of low concentration. The higher concentration gradient would result in a reduced diffusions

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    Physio Ex 9.0 Exercise 1

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    Activity 1 1. Describe two variables that affect the rate of diffusion. a. There are alot of different variables or factors that can affect the rate of diffusion‚ for example: size of the molecule‚ shape of the molecule‚ concentration gradient‚ charge of the ions‚ temperature‚ environment‚ etc. The rate of the diffusion can increase as diffusion distance increases‚ concentration gradient increases‚ surface area increases‚ temperature increases‚ and many more. 2. Why do you think the urea was not

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    physio 9 lab and exam

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    Name: Exercise 5: Cardiovascular Dynamics: Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 40% by answering 2 out of 5 questions correctly. 1. Blood flow is measured in You correctly answered: b. ml/min. 2. Which of the following has the greatest effect on blood flow? You correctly answered: a. blood vessel radius 3. Which of the following would not result in a decrease in the blood vessel radius? Your answer : b. plaque

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    Physio-EX Blood Analysis: Computer Simulation Introduction In this lab five blood tests will be performed: hematocrit determination‚ erythrocyte sedimentation rate‚ hemoglobin determination‚ blood typing‚ and total cholesterol determination. A “hematocrit refers to the percentage of red blood cells (RBC’s) in a sample of whole blood. Since the function of red blood cells is the transport of oxygen to the cells of the body‚ the higher the hematocrit‚ the more red blood cells are available to carry

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    Physio Ex 8- Activity 1

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    Exercise 8: Chemical and Physical Processes of Digestion: Activity 1: Assessing Starch Digestion by Salivary Amylase Lab Report Pre-lab Quiz Results You scored 0% by answering 0 out of 6 questions correctly. 1. The substrate for amylase is Correct answer: e. starch and carbohydrate. You have not answered this question. 2. Which of the following is true of enzymes? Correct answer: c. Their activity can be affected by temperature and pH. You have not answered this question. 3. The reagent IKI tests

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