Nutrition Flashcards
Humans and animals store excess energy from starches in the form of _________________. It is stored predominately in the liver and muscles and then broken down when glucose is needed in the bloodstream.
glycogen
If a person has a diet that does not include many fruits or vegetables, what else will the diet plan lack that is not widely found in other food groups?
Fiber
The sweetness of milk and dairy products comes from the presence of _______
Lactose
Which of the following best describes the role of insulin in the body?
It is a hormone that signals the body to move glucose from the blood and into certain organs.
What are the health benefits of whole grains?
They have fiber, vitamins, and minerals other low-quality carb foods do not have.
The mechanical and chemical digestion of carbohydrates begins in the ______________.
Mouth
The most common disaccharides are…
Sucrose, Lactose and Maltose
According to the US Department of Health and Human Services (HHS), what are the risk factors we can (typically) control to reduce the risk of cardiovascular disease?
High blood pressure, high cholesterol, cigarette smoking, diabetes (Type 2), poor diet, physical inactivity, overweight and obesity.
Nonessential fatty acids are considered “nonessential” because…
These are fats the body is capable of making from the foods we eat.
Lipids can be categorized into main types called…
Triglycerides, phospholipids, and sterols
Triglycerides control the body’s internal climate, maintaining constant ______________.
Temperature
Phospholipids are ideal ______________ that can keep oil and water mixed.
Emulsifiers
Omega-3 and omega-6 fatty acids are classified as ________________ and are ___________ to human health.
essential fatty acids; beneficial
Which of the following lists foods which contain the healthiest form of fats:
Nuts (walnuts, pecans, almonds), plant-based oils (canola, corn, flaxseed), and fish (trout, salmon)
Generally people are advised to obtain most fats from ______________ fats.
polyunsaturated and monounsaturated
Simple carbohydrates stimulate the most sensitive of all taste sensations, the taste of _____________
Sweet
A diet that is too high in simple sugars can lead to…
Obesity, tooth decay, diabetes, being overweight, high blood sugar
Which type of carbohydrate is most likely to promote digestion and a healthy movement of foods through the gastrointestinal track?
Fiber
There is enough scientific evidence to support that diets high in __________ reduce the risk of obesity and diabetes, which are primary risk factors for cardiovascular disease.
Fiber
Why are polysaccharides known as “slow-releasing” sugars?
They are stored energy that must be converted to usable energy when needed
Humans do not produce the enzymes needed to break down dietary fiber, however, _________ in the large intestine (colon) do.
Bacteria
If a person has a diet too low in healthy fats it can increase cholesterol and inflammation of the joints, tissues, and bloodstream. That person would be encouraged to include more of which foods in the diet?
Salmon and nuts for omega-3 and omega-6 fatty acids
Polyunsaturated fats are beneficial because they both lower ____ and raise____.
LDL;HDL
Which of the following should you include in your diet to reduce the absorption of cholesterol from food into the bloodstream during digestion?
Soluble fiber
The primary biological functions of lipids within the body include everything EXCEPT:
Building body fat to excessive levels
Which of the following lists foods which contain the healthiest form of fats:
Nuts (walnuts, pecans, almonds), plant-based oils (canola, corn, flaxseed), and fish (trout, salmon)
Lipids are a family of __________ compounds that are mostly ___________ in water.
organic; insoluble
According to the textbook, the largest influence on blood cholesterol levels is …
The mix of saturated and trans fats in the diet.
The textbook states that eating tomatoes with olive oil or salad dressing will facilitate lycopene absorption. Why is this?
Certain micronutrients are better absorbed when fat is present.
Nutritional scientists research the types of molecules found in food items. If one is trying to determine the types of carbohydrates present in a food item, what should he/she research?
The chemical structure of the molecules present