and Correct Answers
What are chronic diseases influenced by nutrition? ✅Obesity, diabetes, cardiovascular
diseases, cancer, osteoporosis, hypertension
What are the six classes of nutrients? ✅carbs, lipids, protiens, vitamins, minerals and
water
What is the difference between micro and macro nutrients and what is their role?
✅Macronutrient: a nutrient needed in gram quantities of a diet (carbs, lipids, proteins)
Micronutrient: a nutrient needed in milligram or microgram quantities in a diet (vitamins,
minerals)
What is a kilocalorie? ✅Heat energy needed to raise the temp of 1000 grams (1 L) of
water 1 degree Celsius calories
Carbs (4 kcal per g), fats (9 kcal per g), proteins (4 kcal per g), alcohol (7 kcal per g)
What is the scientific method? ✅-Step 1: observations made and questions asked
-Step 2: hypothesis generated
-Step 3: research experiment conducted to test hypothesis
-Step 4: results evaluated by other scientists and reported in a publication
-Step 5: follow up experiments to confirm/ extend
-Step 6: hypothesis accepted or rejected
What are the types of stories? ✅-Case control studies: show that obese patients are
much more likely to have type 2 diabetes than the leaner comparison group that is
matched for other characteristics (looks at the data)
-Observations by physicians indicate that type 2 diabetes is much more common in their
obese patients than in leaner patients
-Epidemiological studies: show that type 2 diabetes is more commonly found in obese
populations than leaner populations (large numbers of people)
-Laboratory animal studies: show that overfeeding animals that leads to obesity also
often leads to the development of type 2 diabetes (manipulations with diets on animals)
-Human studies: show that weight loss can correct type 2 diabetes in many people
(clinical trial, manipulate things on human subjects, treatment and control) (the
opportunity to show cause and effect when you have animal and human studies)
What are the dietary guidelines for Americans? ✅-Very general guidelines for people
to strive toward
DRI's ✅-Specific recommendations based on healthy population, divided by gender
and age group