REVIEW SHEET EXERCISE 6 Cardiovascular Physiology NAME: LAB TIME/DATE: 1. Define each of the following terms: • autorhymicity- The heart is autorhythmic. This means it generates its own rhythmic action potential independent of the nervous system. • sinoatrial node- is the impulse-generating (pacemaker) tissue located in the right atrium of the heart‚ and thus the generator of normal sinus rhythm. • pacemaker cells- are specialized cells that cause involuntary muscles and tissues to
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Terms | Definitions | Explan why the larger waves seen on the oscilloscope represent ventricular contraction | the ventricle contraction is of greater force than the atrial contraction‚ this is due to the fact that ventricle’s fxn is to send blood throughout the body. | Explain why the amplitude of the wave did not change when you increased the frequency of the stimulation in cardiac muscle. | amplitude does not change because the cardiacs long refractory period prevents summation. | Why is
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REVIEW SHEET EXERCISE 5 Cardiovascular Dynamics NAME: LAB TIME/DATE: Vessel Resistance The following questions refer to Activity 1: Studying the Effect of Flow Tube Radius on Fluid Flow. 1. At which radius was the fluid flow rate the highest? 6.0 mm 2. What was the flow rate at this radius? 1017.2 mmHg 3. Describe the relationship between flow rate and radius size. The relationship between the flow rate and the radius size is direct with the formula flow rate=radius to the fourth
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The forest lake aquathon consists of a 250 meter swim and a 2.5 kilometre run. A specific training program has been made to improve my weaknesses and work on cardiovascular fitness and endurance. This essay will also evaluate the personal training program that has been created and whether or not it will help improve my fitness. In last year’s aquathon I did not participate‚ but the average time that most students finished were around 20 minutes. There was also a fitness test where students swum
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REVIEW SHEET EXERCISE 2 Skeletal Muscle Physiology NAME: LAB TIME/DATE:9pm.. 4.8.11 Electrical Stimulation 1. Name each phase of a typical muscle twitch‚ and‚ on the following line‚ describe what is happening in each phase. a. Latent-stage from rest to muscle tension begins b. Contraction-At this stage the muscle reaches its peak in contraction c. Relaxation- muscle is shortened‚ returns to zero and back initial length. 2. In Activity 2‚ how long was the latent period? ___2
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There are many aspects of being an exercise physiology major. The field of exercise physiology has always interested me‚ but I was never sure about what career path I would choose. This year has really given me a better understanding of what path I would like to pursue. I really wanted to be an occupational therapist‚ but shortly after decided that I wanted to be a physical therapist. According to Writing‚ the annual salary for a physical therapist is in a range from $70‚000-$100‚000 (2010). I wanted
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Lab Report: Exercise 5: Cardiovascular Physiology Type the answers to the following questions into the document. Save the file as YourLastName_Ex5LabReport.rtf and submit for grading via the associated assignment link. Activity 1: Heart Sounds 1. What is the cardiac cycle? The cardiac cycle is one complete heart beat. During the cycle each atrium and ventricle will contract and relax once. THe contraction of the chamber is called systole and the relaxation is called diastole. The average
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Review Sheet Exercise I: Survey of Higher Microorganisms: Protozoa‚ Fungi‚ and Helminths Protozoa (group of Kingdom Protista) 1. Amoeba a. nucleus- dark center of the cell b. food vacuole- They feed by taking nutrients into the cell by diffusion and packaging it into (clear circles spread throughout the cell) c. pseudopod- “false foot”; the motility results from the streaming of the protoplasm that forms the process 2. Entamoeba causes amoebiasis or amoebic dysentery‚
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Lab 9 Report: Exercise Physiology Introduction When the human body is put to work and undergoes any sort of activity‚ it requires more energy and resources in order to sustain this. The cells in muscles and organs must work faster‚ and thus require more energy to do so. The body compensates by increasing heart rate and respiration in order to increase the amount of oxygen entering‚ carbon dioxide leaving‚ and rate at which these gases are delivered to cells throughout the body. In this lab‚ we
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Terms Definitions What activity are you simulating when you click the ERV button? What additional muscles are used? Maximal exhalation; internal intercostal and abdominal wall muscles What does the pump rate simulate? The number of beats per minute (BPM) stimulates respiratory rate How did changing the radius effect FEV (%)? FEV decreased in response to decrease in radius What effect does the addition of surfactant have on the airflow? AIrflow increases because resistance is reduced
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