Name: ___________________________________________
BIOL 1322 General Nutrition
Take Home Exam #1 (Chapter 1-4) – 75 points
Due: June 22, 2011 by midnight
PLEASE TYPE ALL ANSWERS
(10 points deducted per day late starting June 23, 2011 12:01 am)
Instructions for turning in your exam. Exams will ONLY be accepted from this website.
1. Go to www.turnitin.com. If you have used this site before, login.
2. If this is your first time to login, click on creat an account. On the next page, under “New Students Start Here” select
“create a user profile”.
3. Create a New Account as a “student”
4. The class ID is: 4066603 and the password is: 4ppl3
5. Complete the rest of the information requested.
6. Once you have completed the registration you will be taken to the class portfolio. Click on the class (make sure you
choose the right section) and follow the instructions for posting your assignment.
1. Name the 6 nutrients found in food (3 points).
Classify the macronutrients and micronutrients and how many calories per gram they provide? (3 points)
Which nutrients are organic/inorganic? (2 point)
Give specific examples of where each macronutrients is found in food? (3 points)
Name the two categories of vitamins and two categories of minerals (2 points)
13 points total
2. List all the categories of the DRI for nutrients (not energy/macronutrients) (2 points), identifying the abbreviation
and the complete name (2 points) and a brief description (2 points).
Identify the following:
A female age 19-30y should take no more than _____ mg of calcium per day (2 points).
If a male age 19-30y took 1000 mg of calcium per day this would be which DRI? (2 points).
Here is the link to find the USDAs DRI tables (there are two you’ll need to pull up):
http://fnic.nal.usda.gov/nal_display/index.php?info_center=4&tax_level=3&tax_subject=256&topic_id=1342&level3
_id=5140
10 points total
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Name: ___________________________________________
3. Braidee is using MyPyramid to help improve her eating habits. She is also calculating calories and macronutrients.
Use the information below to answer the questions:
Dinner:
Food
Brown rice
Roasted Chicken Breast
Vegetable medley,
cooked
Butter
Skim milk
Peach
Carbohydrates (g)
35
1
10
Protein (g)
3
42
4
Fat (g)
1
1
0
Calcium, mg
15
25
62
0
12
15
0
8
0
5
0
0
0
300
10
For eac food listed, identify which food group from MyPyramid it falls into and how much of each food group would
be one serving. (6 points)
How many calories was Braidee’s dinner? Show your work for full credit. (4 points)
What percent of her meal was carbs, protein and fat? (3 points)
What % of her DV did dinner provide in calcium? (Braidee needs 1200 mg of calcium per day) (2 points)
15 points total
4. Concisely explain how a piece of food would be digested, absorbed and eliminated in our body.
Identify the major areas/sphincters/organs involved (5 points).
Identify the enzymes that would be utlized in each step (5 points).
Identify the action occuring in each step (5 points).
(You will not need to discuss the details of blood glucose regulation or hormones. I want your own words, not a copy
of the notes. Focus on chapter 3 and follow the course of the GI tract. Be concise!)
15 points total
5. Explain the regulation of blood glucose. Identify the 2 major hormones necessary for regulation (2 points), where
these hormones are released from and their action site (2 points) and their role in increasing/decreasing bood sugar
(2 points). Identify where glucose is stored (2 points). What nutrient is used to make glucose if there is not enough
stored glucose (2 points)? Identify how the glycemic index/load can influence blood sugar (2 points).
12 points total
6. Identify the potential complications of eating a diet that only supplies 30 grams of carbohydrates a day. Hint: brain
an amount of carbs needed per day(3 points), what happens to muscles (3 points), digestive complications (2
points), use of fat (2 points).
10 points total
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