Physioex Endocrine System

Topics: Diabetes mellitus, Insulin, Blood sugar Pages: 3 (711 words) Published: December 17, 2012
Exercise 4: Endocrine System Physiology: Activity 2: Plasma Glucose, Insulin, and Diabetes Mellitus Lab Report Pre-lab Quiz Results You scored 80% by answering 4 out of 5 questions correctly. 1. Which of the following statements is false? Your answer : c. Insulin decreases plasma glucose levels. Correct answer: d. Insulin is a hormone secreted into the stomach to aid with starch digestion. 2. Which of the following statements is true? You correctly answered: d. All of these statements are true. 3. A diagnosis of type 1 diabetes mellitus implies that You correctly answered: b. the pancreas is not producing sufficient insulin. 4. A diagnosis of type 2 diabetes mellitus implies that You correctly answered: c. the cells of the body are unresponsive to circulating insulin. 5. Glucagon is a hormone You correctly answered: b. that opposes the action of insulin.


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Experiment Results Predict Question: Predict Question: To measure the amount of plasma glucose in a patient sample Your answer : b. the optical density of the sample will be measured and the glucose concentration will be extrapolated from the glucose standard curve. Stop & Think Questions: Why does the color in the tubes vary? You correctly answered: c. The tubes contain different amounts of glucose. Experiment Data: Tube 1 2 3 4 5 1 2 3 4 5 Optical Density 0.30 0.50 0.60 0.80 1.00 0.73 0.79 0.89 0.83 0.96 Glucose (mg/deciliter) 30 60 90 120 150 159 116 133 121 143

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Post-lab Quiz Results You scored 100% by answering 6 out of 6 questions correctly. 1. A male patient has had successive fasting plasma glucose readings of 115, 110, and 122 mg/dl. The healthcare provider will inform him that You correctly answered: c. he appears to have impairment or borderline impairment of insulin-mediated glucose uptake by his cells. 2. To obtain an accurate spectrophotometric measurement of the glucose concentration in the sample You correctly answered: d....
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