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PLTW Biomed Unit 2.1 (1)
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PLTW Biomed Unit 2.1 (1)
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PLTW Biomed Unit 2.1Type 1 Diabetes - ANS-type of condition where your pancreas cannot produce insulin to
regulate blood sugar
Type 2 Diabetes - ANS-type of condition where your pancreas produces insulin but it doesn't
have any effect on their blood sugar
Positive Feedback - ANS-Feedback that tends to magnify a process or increase its output.
Negative Feedback - ANS-A primary mechanism of homeostasis, whereby a change in a
physiological variable that is being monitored triggers a response that counteracts the initial
fluctuation.
Insulin - ANS-A protein hormone secreted by the pancreas that is essential for the metabolism
of carbohydrates and the regulation of glucose levels in the blood.
Hormone - ANS-A product of living cells that circulates in blood and produces a specific, often
stimulatory, effect on the activity of cells that are often far from the source of the hormone.
Homeostasis - ANS-The maintenance of relatively stable internal physiological conditions (as
body temperature or the pH of blood) in higher animals under fluctuating environmental
conditions.
Glucose Tolerance Test - ANS-A test of the body's ability to metabolize glucose that involves the
administration of a measured dose of glucose to the fasting stomach and the determination of
blood glucose levels in the blood or urine at intervals thereafter and that is used especially to
detect diabetes.
Glucagon - ANS-A protein hormone secreted by pancreatic endocrine cells that raises blood
glucose levels; an antagonistic hormone to insulin.
Describe how Glucose Tolerance Testing can be used to diagnose diabetes - ANS-You can
examine how someone's body responds to sugar by watching the glucose levels in the blood. If
the glucose levels go down over time, the person probably doesn't have diabetes. If the glucose
levels stay high or go up even more, then the person might have diabetes.
endocrine - ANS-The system that produces insulin
The cells within the pancreas that produce and store insulin are called ____________ cells -
ANS-beta
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