Physioex 9.0 exercise 6. (Solved) PhysioEX 9.0 Exercise 6.0 Activity 2 2022-10-28

Physioex 9.0 exercise 6 Rating: 4,1/10 1301 reviews

PhysioEx 9.0 is a lab simulation software that allows students to perform virtual experiments and observe physiological processes in the body. Exercise 6, titled "Cardiovascular Dynamics," is focused on the circulatory system and how it functions to transport blood throughout the body.

In this exercise, students are asked to analyze the effects of blood vessel radius and blood viscosity on blood flow and pressure. They are also asked to investigate the relationship between cardiac output and stroke volume, as well as the effects of changing heart rate on these variables.

To begin the exercise, students are given a simulation of the circulatory system in a healthy young adult. They are asked to measure the blood flow and pressure in the aorta, the main artery that carries oxygenated blood away from the heart. Students can then manipulate variables such as blood vessel radius and blood viscosity to see how these changes affect blood flow and pressure.

As students increase the radius of the blood vessels, they will observe that blood flow increases and blood pressure decreases. This is because a larger radius allows for more blood to flow through the vessel with less resistance, resulting in a decrease in pressure. Similarly, decreasing the radius of the blood vessels will result in a decrease in blood flow and an increase in blood pressure.

Blood viscosity, or the thickness of the blood, also has an effect on blood flow and pressure. Increasing blood viscosity will result in a decrease in blood flow and an increase in blood pressure, while decreasing blood viscosity will have the opposite effect. This is because thicker blood requires more energy to flow through the vessels, resulting in an increase in pressure.

In addition to manipulating blood vessel radius and blood viscosity, students can also investigate the relationship between cardiac output and stroke volume. Cardiac output is the amount of blood pumped by the heart in a given period of time, while stroke volume is the amount of blood pumped by the heart with each beat. As students increase the heart rate, they will observe that cardiac output increases while stroke volume decreases. This is because the heart is able to pump more blood in a shorter amount of time, but it is doing so with smaller individual pumps.

Overall, the PhysioEx 9.0 Exercise 6 provides a valuable learning opportunity for students to understand the complex physiological processes involved in the circulatory system. It allows students to manipulate variables and observe the effects on blood flow and pressure, as well as the relationship between cardiac output and stroke volume. This helps students gain a deeper understanding of how the circulatory system works and how it plays a crucial role in maintaining the health and well-being of the body.

(Solved) PhysioEX 9.0 Exercise 6.0 Activity 2

physioex 9.0 exercise 6

Describe the three phases of a skeletal muscle twitch. The filtrate flows from the Bowman's capsule into the renal tubule called the proximal convoluted tubule then into the loop of Henle, and finally into the distal convoluted tubule: a. Research shows that, in the absence of neural and hormonal influences, the SA node generates action potentials at a frequency of approximately 100 times per minute. Increased the amount of extracellular k+ in the resting membrane potential k+ leaks out the cell and can cause positive charge to come in the cell. Post-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly.

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Table of Contents: PhysioEx 9.0 : :: Library Catalog Search

physioex 9.0 exercise 6

For example, "World war II" with quotes will give more precise results than World war II without quotes. EZBorrow is the easiest and fastest way to get the book you want ebooks unavailable. In this simulation there was no K+ Explain why the addition of glucose carriers either had no effect or did have an effect on sodium Glucose carriers had no effect on the sodium or potassium or potassium transport. Activity 1: Investigating the Refractory Period of Cardiac Muscle. Photosensory neurons would respond to green light.

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Physioex Exercise 6 Activity 1

physioex 9.0 exercise 6

Type: PDF; Date: 5 weeks ago; Size: 161. The resting neuron would be because the membrane is more permeability to K+ because it has more leakage channels the Na+ which has fewer leakage channels. Please make sure that your answers are typed in RED. Words: 1200 Exercise 1: Cell Transport Mechanisms and Permeability Worksheet Student Name: Student ID Student instructions: Follow the step-by-step instructions for this exercise found in your lab manual and record your answers in the spaces below. Explain why the larger waves seen on the oscilloscope represent the ventricular contraction. Which of the following correctly matches the twitch phase with its definition? What is the role of acetylcholine in a skeletal muscle contraction? Osmotic pressure of 53 mmHg.

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PhysioEx 9.0

physioex 9.0 exercise 6

Your answer: In all of the tests the latent period remained the same. A skeletal muscle twitch is a. My predictions came out the way I believed it to be. You can also use ILLiad to request chapter scans and articles. Activated charcoal Why did increasing the filtration pressure increase the filtration rate but not the concentration The more pressure the faster the filtration rate will be of solutes? All the steps of excitation-contraction coupling occur 1. If your book is not available on EZBorrow, you can request it through ILLiad ebooks unavailable.

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(Solved) PhysioEx 9.0: Exercise 2, Activity 1 (Solutions)

physioex 9.0 exercise 6

A sufficiently strong electrical stimulus applied to an isolated, mounted skeletal muscle induces the development of muscle force, or muscle tension. The effect of the parasympathetic nervous system on the heart is to You correctly answered: a. Why did you pick the choice you did? Extreme vagus nerve stimulation affects the heart by You correctly answered: a. Explain why there was no sodium transport even though ATP was present. Your answer: Skeletal muscle fibers are usually attached to the skeleton and make voluntary actions such as walking, talking and standing up possible.

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Physioex 9.0 Exercise 6 Activity 4 Answers

physioex 9.0 exercise 6

MWCO of the membrane, molecular weight of the ion or molecule Why do you think that the urea was not able to diffuse through the 20 MWCO membrane? Exercise 9: Renal System Physiology Activity 3: Renal Response to Altered Blood Pressure Name: Miranda Date: 6 November 2019. How well did the results compare with your prediction? My prediction was on par. Which of the membranes can it pass through? By Quizzma Team … In this activity, which of the following will increase the stimulus intensity? None of these would cause it to happen faster. The digital cell phone operator answers calls on your agency within a remote name heart, and later on, inside a timely vogue, the messages are relayed with your office environment. What type of sensory neuron would likely respond to a green light? Your answer: It would continually increase and never regulate.

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Exercise 1 Physioex 9.0 Assignment free sample

physioex 9.0 exercise 6

How long does it take for the nerve to return to normal? Explain one way in which facilitated diffusion is the same as simple diffusion; one way in which it They are both passive processes; is different. Potassium ion and sodium ion. The term motor unit refers to c. The larger value obtained when more glucose carriers were present corresponds to an increase in the The more glucose carriers there are, the less chance there is rate of glucose transport. Neurophysiology Part1 Respiratory Phy- sio-ex Listening Activity: Listen u0026. The branch of the autonomic nervous system that dominates during exercise is You correctly answered: b.

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Physioex Exercise 3 Activity 6

physioex 9.0 exercise 6

Biology Forums - Study Force is the leading provider of online homework help for college and high school students. Which solute did not appear in the filtrate using any of the membranes? With our help, your homework will never be the same! Electrical stimulus is used to control muscle contractions. You can ask any homework question and get expert homework help in as little as two hours. Describe the process of excitation-contraction coupling in skeletal muscle fibers. Your answer: The latent phase is the period of time that elapses between the generation of an action potential in a muscle cell and the start of muscle contraction.

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Exercise #3 PHYSIOEX webapi.bu.edu

physioex 9.0 exercise 6

Your answer: Acetylcholine diffuses onto the muscle fiber's plasma membrane sarcolemma and binds to receptors in the motor end plate initiating a change in ion permeability that results in a graded depolarization of the muscle plasma membrane the end plate potential. Vagal escape probably involves You correctly answered: c. True or False: The amount of ATP that you dispensed did not affect the rate that the solutes false passed from one beaker to the other. Skeletal Muscle twitch is the mechanical response to a single action potential. Which of the following statements concerning this observation is true? The filtrate flows from the Bowman's capsule into the renal tubule called the proximal convoluted tubule then into the loop of Henle, and finally into the distal convoluted tubule: a. PHYSIOLOGY PCB2099L — Lab 8 PhysioEx Exercise 9: Activity 1-6. Hemerahureithe most common cause u prolonged exposure to cold.

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physioex 9.0 exercise 6

Parasympathetic stimulation reaches the heart through You correctly answered: d. A twitch is a. The filtrate flows from the Bowman's capsule into the renal tubule called the proximal convoluted tubule then into the loop of Henle, and finally into the distal convoluted tubule: a. E Simple diffusion Facilitated diffusion Filtration Osmosis Active transport Describe the significance of using 9mM sodium chloride inside the cell and 6mM potassium chloride 3 Na+ are ejected for every 2 K+ ions entering the body. Both Na+ and k+ and ATP must be present for pump to function. Describe how the sympathetic and parasympathetic nervous systems work together to regulate heart rate.

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