BIOD 121: Nutrition Model 1 Already
Graded A+
What are the five dimensions of health Ans- physical health
intellectual health
emotional health
social health
spiritual health
Food Ans- provides energy in terms of calories
Nutrients Ans- 1) promote growth and development
2) maintain tissue,...
BIOD 121: Nutrition Model 1 Already
Graded A+
What are the five dimensions of health Ans- physical health
intellectual health
emotional health
social health
spiritual health
Food Ans- provides energy in terms of calories
Nutrients Ans- 1) promote growth and development
2) maintain tissue, cells, and bones
3) fuel the body for physical and metabolic work
4) regulate body processes
Hunger Ans- internal drive often experiences as a negative sensation such as churning, growling, or
stomach pain
appetite Ans- external drive often related to pleasant sensations associated with food and can lead us to
eat even if we aren't hungry
Gastrointestinal (GI) tract Ans- The main sites in the body used for digestion and absorption of nutrients.
It consists of the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. Also
called the digestive tract.
Hormones Ans- compounds secreted into the bloodstream by one type of cell that acts to control the
function of another type of cell.
Hormones that Increase hunger Ans- Ghrelin
, Endorphins
Neuropeptide-Y
Hormones that Decrease hunger (cause satiety) Ans- Leptin
Serotonin
Cholecystokinin (CKK)
Leptin Ans- Alerts the brain to turn off the hunger center and activates the satiety center when
consuming a meal. Leptin production occurs in adipose (fat) cells
Ghrelin Ans- produced by the stomach and has an opposing role:
traveling to the brain, it stimulates the hunger center as it deactivates the satiety center
External Forces of why we make the food choices we do- Ans- 1. Sensory: eg. taste, smell, texture, color,
moisture, temperature
2. Cognitive: eg. habits, comfort food, advertising, social factors nutritional value
4. Health Status: physical restrictions, declining taste due to medications, age/gender
essential nutrients Ans- nutrients necessary for normal body functioning that must be obtained from
food
-over 45
-six classes that serve 3 general functions (energy, regulation, contribute to cellular and body structure
What are the six classes of nutrients Ans- carbohydrates, fats, proteins, vitamins, minerals, water
Carbohydrates Ans- composed of carbon, hydrogen, and oxygen
complex or simple forms found in starches and sugars
broken down into glucose—a source of energy for cells and tissue
function: primary source of energy
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