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Unit 2 PBS
Terms in this set (11)
Describe how Glucose Tolerance testing can be used to diagnose diabetes.
Used to show how the body absorbs glucose. If it does it properly, they don't have diabetes.
Explain why insulin injections aren't the course of treatment for all diabetics.
In type 2 diabetes, people are unable to do anything with insulin already produce. They can't use extra insulin. Type 1 diabetics need insulin because they don't produce insulin at all.
Is blood sugar regulated by negative or positive feedback?
Negative feedback; depending on the amount of blood sugar tells whether to stop flowing glucose or to release insulin.
Explain how problems with hormones and feedback can lead untimely death.
When there's a problem with homeostasis and feedback, if effects homeostatis. This is why Anna was wearing a sweater during very hot conditions, her hormones weren't producing a specific stimulatory effect on the activity of the cells.
Why is distilled water a good source for food indicators?
It has been removed of all minerals you could find in other liquids so it makes a good control.
Why is it an advantage to eat foods containing more than one molecule?
If you eat foods with glucose, proteins, lipids, and starch then its a healthy source of food that doesn't use much energy of body parts during digestion.
Why do you think nutritional information is listed per serving and not per package?
People should eat the food per serving. If it's not listed per serving then people wouldn't be able to track how much food they're putting into there system.
Describe at least one reason for limiting each of the following in a well balanced diet- Saturated fat, cholesterol, and sodium
Saturated fat: Raises cholesterol
Cholesterol: Can lead to heart problems
Sodium: Can lead to hypertensions, water retention and dehydration
Explain why DRIs are now the preferred value for nutritional intake but are not shown on food labels
Not shown on food labels because it depends on the person's weight, height, and amount of calories they should take in
Explain the relationship between chemical bonds and energy in the body.
When chemical bonds are broken, the stored energy inside is released into the body
Explain what has to happen to join 2 monosaccharide units into a disaccharide
Dehydration synthesis is used to join two monosaccharides. It's used to build up molecules by losing water molecules in the process.