Exam #3

Lily is 22 years of age. She usually consumes about 1800 kcal per day. According to AMDR guidelines, protein should comprise ____% of her total energy intake.

10 to 35

Which of the following foods is a naturally rich source of polyunsaturated fatty acids?

Cottonseed oil

Carter wants to lower his blood cholesterol level. Based on this information, he should limit his intake of

butter and beef.

The body uses proteins to make

certain hormones.

Jared has a high risk of cardiovascular disease, because he has

chronic high blood pressure.

A gene is a

piece of DNA that codes for a specific protein.

Three-year old Jamie is a healthy, active child. Based on this information, his body is in ____ nitrogen balance.

positive

A scientist isolates a water-soluble compound from spider venom. The substance has nitrogen, carbon, hydrogen, and oxygen in its chemical structure. Based on this information, the compound is probably a

protein.

Isabella is 24 years of age and weighs 156 pounds. Based on her body weight, her RDA for protein is about _____ grams.

57 = ((156/2.2) x 0.8)

Sarah is 24 years of age and weighs 178 pounds. Based on her body weight, her RDA for protein is about _____ grams.

65 = ((178/2.2) x 0.8)

According to the Nutrition Facts panel on a package of cream cheese, a 1 oz serving of the cheese supplies 70 kcal; 50 of the kcal are from fat. Based on this information, fat contributes about _____ % of total kcal.

71

Luis is 23 years of age and weighs 220 pounds. Based on his body weight, his RDA for protein is ____ grams.

80 = ((220/2.2) x 0.8)

Which of the following foods is a naturally rich source of monounsaturated fatty acids?

Canola oil

Which of the following foods is not usually responsible for causing allergic responses?

Carrots and celery

Layla loves to cook, but she is concerned about the effects that certain dietary lipids may have on her health. She wants to prepare foods with fats that are naturally low in saturated fatty acids and high in polyunsaturated fatty acids. Based on this information, which of the following ingredients should she select?

Corn oil

When he prepares food, Edgar wants to use ingredients that are not high in trans fat. Based on this information, which of the following fats should he include in his recipes?

Corn oil

_____ is the process that changes the normal shape of a protein and, as a result, the molecule loses its usual function.

Denaturation

Which of the following foods is a good source of omega-3 fatty acids?

Flaxseeds

Which of the following substances carries cholesterol away from tissues?

HDL

Jeanne's total blood cholesterol level is 240 mg/dl. According to this information,

Jeanne needs to reduce her total cholesterol level to under 200 mg/dl and increase her HDL level to lower her risk of heart disease.

When combined, which of the following groups of foods forms a complementary protein dish?

Kidney beans, rice, and sesame seeds

Bernice is a vegan. Which of the following foods does she eat?

Legumes

Which of the following foods is a poor source of essential amino acids?

Peach

Which of the following foods is often responsible for causing an allergic response in susceptible persons?

Peanuts

Which of the following foods is a source of cholesterol?

Pork steak

Buddy is a vegan. Which of the following foods does he eat?

Quinoa

Which of the following foods is a good source of high-quality protein?

Soy milk

During digestion, which of the following substances denatures the proteins in food?

Stomach acid

Of the following foods, which is the best source of essential amino acids?

Sunflower seeds

Which of the following foods is naturally a good source of high-quality protein?

Tuna fish

Which of the following foods is a rich source of saturated fat and cholesterol?

Whole milk

Carmen is an active child who is allergic to peanuts. While attending a classroom party, Carmen accidentally was exposed to trail mix that contained peanuts, and she rapidly developed _____ as a result.

anaphylaxis

Bill would like to follow recommendations that would reduce his risk of cardiovascular disease (CVD). Based on this information, Bill should

become more physically active.

You would like to bake a special birthday cake for a friend who has celiac disease. The original cake recipe is made with eggs, flour, milk, sugar, vanilla, and butter. To make a cake that is safe for your friend to consume, you plan to substitute _____ for the ____ in the recipe.

cornmeal; flour

Consuming too much protein or excess amino acids can contribute to

dehydration.

A scientist has discovered a new molecular compound that is a long chain of 26 carbons bonded together, with a methyl group on one end and an acid group on the other end of the molecule. The compound does not contain any nitrogen or sulfur atoms. Based on this information, the compound is a(an)

fatty acid.

An amino acid does not contain a(an)

fatty acid.

Compared to a triglyceride molecule, a protein molecule

has nitrogen in its chemical structure.

Albert is a healthy, 23-year-old college student. He would like to know more about his risk of cardiovascular disease, so he can take preventive measures, if they are necessary. Albert should

have a lipoprotein profile performed on a sample of his blood.

Layla has a high risk of cardiovascular disease, because of her family history and

high blood levels of LDL cholesterol.

Having high blood levels of _____ may increase a person's risk of CVD.

homocysteine

Dana wants to reduce her blood cholesterol level by eating

less beef.

May is 89 years of age. Her heart is weak, so she spends most of her time lying in bed or sitting in a chair. Although she takes medication for hypertension, she has been unable to keep her blood pressure in the normal range. Her diet consists mainly of apples, leafy vegetables, gelatin, toast, butter, tea, and chocolate candy. May's lower legs and feet and swollen. Based on this information, the swelling is a sign of a (an)

low blood albumin level.

Rosa is a teenager who has an eating disorder characterized by self-imposed starvation. Based on this information, her body is in ____ nitrogen balance.

negative

Every amino acid has _____ in its chemical structure.

nitrogen

A scientist has isolated a fatty acid that has 26 carbons bonded together. All of the carbon atoms in the chain are connected by single bonds. The only other elements in the compound are hydrogen and oxygen. Based on this information, the compound is a (an) _____ fatty acid.

saturated

Carlos has a family history of premature heart disease and stroke. To lower his risk of cardiovascular disease, Carlos should

stop smoking cigarettes.

Marla is a healthy 30-year-old woman. She doesn't work out, but she consumes protein supplements because she thinks they will increase her muscle mass without the need to exercise. Based on this information, the excess amino acids in her diet will

undergo deamination in her liver.

Ruben has a family history of cardiovascular disease. To reduce his risk of heart disease and stroke, he should follow a _____ diet.

vegan