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PhysioEx Lab Report
Exercise 4: Endocrine System Physiology
Activity 2: Plasma Glucose, Insulin, and Diabetes Mellitus
Name: Jordan Lark Date: 20 January 2022 Session ID: session-025d9b60-00a0-50b4-72d3-e39ac2c18aa
Pre-lab Quiz Results
You scored 80% by answering 4 out of 5 questions correctly.
Experiment Results
Predict Question
Stop & Think Question
Which of the following statements isfalse? You correctly answered: Insulin is a hormone secreted into the stomach to aid with starch digestion.
Which of the following statements istrue? Your answer: Glucose is the primary fuel for nerve cell metabolism. Correct answer: All of these statements are true.
A diagnosis of type 1 diabetes mellitus implies that You correctly answered: the pancreas is not producing sufficient insulin.
A diagnosis of type 2 diabetes mellitus implies that You correctly answered: the cells of the body are unresponsive to circulating insulin.
Glucagon is a hormone You correctly answered: that opposes the action of insulin.
Predict Question: To measure the amount of plasma glucose in a patient sample Your answer: the optical density of the sample will be measured and the glucose concentration will be extrapolated from the glucose standard curve.
1 Why does the color in the tubes vary?
Experiment Data
Tube Optical Density Glucose (mg/deciliter) Part 1 1 0.30 30 2 0.50 60 3 0.60 90 4 0.80 120 5 1.00 150 Part 2 1 0.73 105 2 0.79 160 3 0.89 160 4 0.83 160 5 0.96 160
Post-lab Quiz Results
You scored 100% by answering 6 out of 6 questions correctly.
You correctly answered: The tubes contain different amounts of glucose.
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: he appears to have impairment or borderline impairment of insulin- mediated glucose uptake by his cells.
To obtain an accurate spectrophotometric measurement of the glucose concentration in the sample You correctly answered: heparin is added to prevent blood clots.
In the spectrophotometric assay used in this experiment, the __________ as the glucose concentration in the sample increases. You correctly answered: optical density increases.
A female patient has had successive fasting plasma glucose readings of 130, 140, and 128 mg/dl. The healthcare provider will inform her that You correctly answered: she has developed diabetes.
5 To maintain plasma glucose homeostasis
What are some lifestyle choices these patients with normal plasma glucose readings might recommend to the borderline impaired patients? Your answer: Exercising, avoid eating fatty foods, a healthy diet, and having a primary care doctor to keep up with the patients care and labs will keep the patients on the right track.
