post bio150 midterm exam done on june 2015

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Which of the following resources is the current U.S. dietary guide for planning nutritious daily menus?

Diet plays a role in the top three leading causes of death in the U.S., which are responsible for 72% of all deaths. These three causes include all of the following EXCEPT ______.

You have researched a topic in nutrition and found a variety of information. One article is from a website, a second is from a peer-reviewed medical journal, and a third is from a fitness magazine. Which one is the most reliable source of information? Explain two reasons to support your answer.

Why is eating a well-balanced diet with a variety of foods healthier than a diet of only a few different types of foods?

Which of the following behaviors is a risk factor for heart disease?

Megan eats a snack that contains the following nutrition facts.

30 g carbohydrates
10 g fat
4 g protein

Calculate the kilocalories contained in Megan's snack:

carbohydrate =[w] kcal

fat =[x] kcal

protein =[y] kcal

Total Energy = [z] kcal

You have discovered a new drug (Choless) that you suspect can reduce cholesterol levels, and you have 100 people with high cholesterol who have volunteered to be tested. Describe the design a double-blind experiment to test whether your drug can reduce cholesterol?

You have just read an article about the health benefits of a specific food or nutrition product. You would like to evaluate if the information is factual before making a change in your own diet. List and discuss three questions which will help you determine whether the information is fact or fallacy.

Given the following dietary reference intake values of Vitamin C for an average, healthy 25-year old male:
RDA = 90 mg per day
EAR= 70 mg per day
UL = 2000 mg/day

Answer the following two questions:

a) The amount of Vitamin C that should be sufficient to satisfy the needs of 50% of the 25-yr old males in a population is[x] mg/day.
b) The amount of Vitamin C that would be considered unsafe for a 25-year old male is more than[y] mg/day.

Which deficiency disorder can result from not having sufficient amounts of Vitamin C in the diet, and what is one symptom of the disorder?

Explain the meaning of empty-calories and give an example of an empty-calorie food.

What is the maximum acceptable percentage of calories that should come from carbohydrates in a diet?

Rank the following structures in order from first (1) to last (5) as food passes through the digestive track.

Table sugar is also known as _____.

Explain the difference between nutritive and nonnutritive sweeteners? Give one example of each.

When classifying foods by glycemic index (GI) what is being compared? In other words, what happens in the body when consuming a high GI food as compared to a low GI food?

List three signs or symptoms of Diabetes Mellitus.

What foods can someone choose to help lower their cholesterol levels?

Name one example of a monosaccharide. (list only one)

People who have their gall bladder removed might have difficulty digesting which nutrient?

What is the difference between saturated and unsaturated fatty acids? Which one is most common in animal fat?

Foods made with partially hydrogenated fat contain

Jacob is a 170 lb male and Bella is a 137 lb woman who both drank four beers in two hours. Bella has a BAC level of 0.13%. Would she be considered legally intoxicated? Would you expect Jacob to have a higher or lower BAC?

Salivary glands secrete amylase and lipase, enzymes that enable a minor amount of _____ to be digested in the mouth.

Most nutrients in food are absorbed by which organ?

If increasing milk consumption decreases the risk of bone fractures, then milk consumption and bone fractures have a(n) _____.

Which of the following foods is a rich source of fiber?

Glycogen is

Most artificial sweeteners have been banned by the FDA because of safety concerns.

For lunch, Sean only ate a sandwich made with whole-grain buns, 3 slices of cheese, and 10 ounces of roast beef. He also drank 3 cups of orange juice. Does this meal contain all the food groups in MyPlate? If not, which food group(s) is missing?

Jamie wants to eat more foods that are naturally high in phytochemicals and fiber. Based on this information, which of the following foods would you recommend?

Phil wants to eat more foods that are sources of healthy fats. Based on this information, which of the following foods would you recommend?

If you do not consume 100% of the Daily Values for nutrients every day, you have a high risk of developing nutritional deficiency disorders.

Which of the following statements is true?

_____ acid is a fatty acid that can not by synthesized by the body and must be obtained from a person's diet.