KaylaWilson SC121 Unit 3 Assignment Lab Essay

1265 WordsNov 25, 20146 Pages
LABORATORY REPORT Activity: Blood Glucose Regulation Name: Kayla Wilson Instructor: Donald Cragen Date: 10.29.2014 Predictions Plasma glucose levels will be highest immediately after the meal (0 hr) Plasma ketone levels will be highest before the meal (fasting) Plasma insulin levels will be highest 1-3 hours after the meal Plasma glucagon levels will be highest 1-3 hours after the meal Materials and Methods Dependent Variable plasma levels of glucose, ketones, insulin, and glucagon Independent Variable food and beverage intake Controlled Variables physical activity, caffeine and alcohol intake, gender, age, BMI 4. Why were physical activity and caffeine and alcohol intake the controlled variables? They were the controlled…show more content…
If values are similar for several time points, then give range of times when plasma insulin/glucagon concentration was lowest. It was the lowest during fasting Discussion 1. Explain how insulin changed plasma glucose concentration over the course of the experiment. Insulin changed the plasma glucose because after a meal the amount of insulin secreted into the blood will increase and that caused the plasma glucose to rise. 2. Explain how glucagon changed plasma glucose concentration over the course of the experiment. Plasma glucose is usually low between meals and when this happens glucagon secrets the blood glucose.. When the plasma glucose is high there is no secretion of the glucagon. Laboratory Report/ Kayla Wilson/ Blood Glucose Regulation/ Donald Cragen/ 10.29.2014/ Page [3] of [4] 3. Explain what caused the change in plasma ketone concentration over the course of the experiment. The body was getting all the sugar it needed during 0 to 1 hour post meal and after that the levels started to go down. The body got what it needed and began to store the ketone's for later use. 4. Explain how negative feedback caused the changes in plasma insulin concentration observed during the experiment. Negative feedback caused the changes in plasma insulin because when the body doesn't produce enough insulin it takes glucose from the blood and lowers the high blood glucose levels and then they go back to normal range. 5. Explain how negative feedback caused the changes in plasma

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