Review Sheet Results 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels. Your answer: If the extracellular K+ increases then the concentration of intracellular K+ will decrease causing a decrease in the steepness of the concentration gradient and fewer K+ ions would be drawn out. 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative value. How well did the results compare
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Physioex 9.0 Review Sheet Exercise 1 Cell Transport Mechanisms and Permeability Name: Jeffery Cook Lab Time/Date: 12pm 2/09/2015 Activity 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. a. Two variables that affect the rate of diffusion are size and whether or not there is an electrical or concentration gradient. 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction
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NAME ____________________________________ LAB TIME/DATE _______________________ Phyllis Huffines R E V I E W S H E E T EXERCISE 3/11/2012 15 Print Form Gross Anatomy of the Muscular System Classification of Skeletal Muscles 1. Several criteria were given for the naming of muscles. Match the criteria (column B) to the muscle names (column A). Note that more than one criterion may apply in some cases. Column A E‚G A‚G Column B a. b. c. d. e. f. g. action of the muscle shape
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U.S. History Europe England: Economics – enclosure o Economy began to revive o Enclosure: property owners fence off land for grazing Squatters kicked off Hiof land => landless population o Colonies = solution for landless peoples Merchant capitalism o Merchants in look for investment opportunities Development of joint-‐stock companies Nationalism o Spain = Britain’s greatest rival o Defeat of Spanish
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What happened to the R-R interval and heart rate after exercise? After exercise the R-R interval increased steadily from 0.48 to 0.68 seconds‚ while the heart rate BPM decreased steadily from 123 to 76; both trending back towards the resting values. What happened to the T-P interval during exercise? Outline what this means for ventricular filling time. During exercise there was a significant drop in the T-P interval which then steadily increased when exercise was completed. The T-P interval represents
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CHAPTER 8 1) Access Control List: This network access control determines which IP packets are allowed entry to a network and which are dropped. 2) Access Control Matrix: A table specifying which portions of the system users are permitted to access. Compatibility tests utilize a(n) ________‚ which is a list of authorized users‚ programs‚ and data files the users are authorized to access or manipulate. 3) Authentication: Verifying the identity of the person or device attempting to access the
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Activity 1 1) Explain why the larger waves seen on the oscilloscope represent ventricular contraction. The ventricular contraction is when the blood is sent through the whole body as opposed to the atrial contraction that sends the blood to the heart and lungs. 2) Explain why the amplitude of the wave did not change when you increased the frequency of the stimulation. (Hint: relate your response to the refractory period of the cardiac action potential) How well did the results compare with
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with the kingdom of Piedmont-Sardinia. Giuseppe Mazzini: He organized the revolutionary society called Young Italy‚ founded newspapers‚ wrote pamphlets and encouraged unification of Italy. He aroused devotion and the spirit of nationalism in the hearts of many Italians. Young Italy: Created by Giuseppe Mazzini in 1831 was Young Italy‚ which was an organized revolutionary society. Red Shirts: Garibaldi’s army of Nationalists. Wanted republic but accepted Cavour’s ideas to
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In a human body there many muscles but therefore are seven major muscles groups and correspond to many exercises there are legs one exercises that common is squats‚ chest exercise is like bench or push up‚ back one of the exercises is dumbbell‚ shoulder exercise is lateral raises‚ biceps exercise like barbell curl‚ triceps exercise like kick back and abdominal exercise like bicycle Exercise. Circuit training is a method of resistance training‚ or weight training that maximizes of work done in a
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1. The heart rate determines the intensity of the fitness activity. a. 12*6=72 b. 220-21=199 c. 129-150 range. 2. Aerobic metabolism‚ uses fats‚ proteins and carbohydrates that are oxidized and turned into carbon dioxide and water. Anaerobic metabolism‚ uses only carbohydrates and enters the fluid‚ or cytoplasm‚ of the cell and is turned into lactic acid. Aerobic exercises are running‚ biking‚ and swimming‚ whereas anaerobic exercises are sprinting‚ jumping‚ weight training. 3. My activity is considered
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