Human Nutrition – Exam #1
1. Which of the following is a macronutrient?
a) Vitamin A
b) Selenium
c) Protein
d) Antioxidants
2. Which of the following provides the body with zero Calories per gram?
a) Carbohydrates
b) Protein
c) Lipids
d)
Water
3. When scienists use the word “calorie”, what are they referring to?
a) One gram of fat
b) One gram of carbohydrates
c) Enough energy to raise the temperature of one gram of water by one degree Celsius.
d) 10 grams of fat
4. According to established scientific definitions, how many calories are in one nutritional
“Calorie”?
a) 1
b) 10
c) 1000
d) 20000
5. Which of the following is the leading cause of type II diabetes in the USA?
a) Overnutrition
b) Vitamin A deficiency
c) Vitamin C deficiency
d) Iron deficiency
6. In a covalent bond, such as the bond between a hydrogen atom and a carbon atom in methane,
which of the following is true?
a) One atom takes all the electrons from the other.
b) The carbon and the hydrogen share electrons more-or-less equally.
c) The carbon atom gets a strong negative charge.
d) The carbon atom gets a strong positive charge.
7. Which of the following is a polar molecule?
a) H
2
O
b) CH
4
c) C
2
H
6
d) C
3
H
8
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