Chapter 1 Flashcards
Essential nutrients
Nutrients the body cannot make itself, so it must be obtained through food
Conditionally essential nutrients
The body cannot make enough to meet health requirements
What are the 8 essential amino acids?
Histidine
Isoleucine
Leucine
Lysine
Methionine
Phenylalanine
Threonine
Tryptophan
What are the 6 classes of nutrients?
Energy providing:
-Carbohydrates
-Fat
-Protein
Other:
-Water
-Vitamins
-Minerals
What is the only vitamin that is not an essential nutrient?
Vitamin K, which is conditionally essential
Which fatty acids are essential nutrients?
Linoleic acid
Linolenic acid
What are the calorie values of the energy-yielding nutrients?
Carbs: 4 Cal/g
Protein: 4 Cal/g
Fat (lipid): 9 Cal/g
Alcohol: 7 Cal/g
What are the 5 characteristics of a healthy diet?
Adequate
Balance
Calorie control
Moderation
Variety
What are factors that influence food choices?
Availability
Cost
Convenience
Emotional
Social/cultural
Advertising
Habit
Personal preference
Genetic inheritance
Positive associations
Health
What are the 4 different research designs?
Case studies: individuals
Epidemiological study: population
Intervention study: population with manipulation
Lab study: tightly controlled conditions