SCI 228 Final Exam


SCI 228 Final Exam
(TCO 10)  All of the following can contribute to chronic dehydration in elderly individuals…

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SCI 228 Final Exam

SCI 228 Final Exam


(TCO 10) Which of the following is NOT a symptom of preeclampsia? (Points : 2)

Protein in the urine

Low blood pressure

Unexplained and rapid weight gain


(TCO 10)  All of the following can contribute to chronic dehiqualitytutorialstion in elderly individuals EXCEPT: (Points : 2)

Kidney function decreases with advancing age.

The thirst mechanism is impaired in the elderly.

Perspiration increases as we age.

Older adults may limit fluid intake due to urinary incontinence.

(TCO 10) To avoid ________ contamination during pregnancy, fish consumption should not exceed 12 oz. a week. (Points : 2)





(TCO 9)  What is meant by the notion that eating behaviors are conditioned? (Points : 2)

Eating habits affect our mood

Previous experiences, such as those that occur during childhood, affect our current response to food and eating behaviors

Food consumption only occurs in response to external stimuli

The intensity and duration of physical activity impacts our response to food and eating habits

(TCO 9)  Obsessive-compulsive, perfectionism, socially inhibited, compliant, and emotionally restrained describe personality traits of: (Points : 2)

Anorexia nervosa

Bulimia nervosa

Binge eating disorder


(TCO 9)  Rachel is a gymnast who trains two hours/day on average. She supports her daily activity by consuming 2,500 kilocalories per day. How many kilocalories should she be consuming from carbine sources? (Points : 2)

1,125-1,300 kilocalories

1,300-1,500 kilocalories

1,500-1,625 kilocalories

1,625-1,750 kilocalories

(TCO 7)  Diseases that cause the malabsorption of fat can result in a deficiency of: (Points : 2)

Vitamin A

Vitamin E

Vitamin C

Both Vitamin A and Vitamin E

(TCO 7)  Which of the following groups of people is the least likely to develop a Vitamin A deficiency? (Points : 2)

Pregnant women

Children with cystic fibrosis


Elderly people consuming poor diets

(TCO 7)  How do antioxidant vitamins stabilize free radicals? (Points : 2)

Donate electrons or hydrogens

Enzymatic destruction


Break down and convert them to less damaging molecules

(TCO 8)  Which of the following hormones requires selenium for its synthesis? (Points : 2)





(TCO 8)  At which stage of the life cycle is calcium absorption the most efficient? (Points : 2)




Later Life

(TCO 8)  Assuming equal serving sizes, which of the following foods would be the poorest source of calcium? (Points : 2)

Skim milk

Whole milk

Cheddar cheese

Cottage cheese

(TCO 8)  Research studies have consistently demonstrated an association between a reduced risk of cancer and: (Points : 2)

The use of Vitamin C supplements

Increased consumption of fruits and vegetables

Increased consumption of monounsaturated fatty acids

The use of beta-carotene supplements

(TCO 8)  Which of the following statements is FALSE regarding the mineral, selenium? (Points : 2)

Selenium is needed in minute amounts by the human body

Selenium is involved in the maintenance of basal metabolism and body temperature

Selenium is only present in foods of animal origin

Selenium is a component of the antioxidant glutathione peroxidase enzyme system

(TCO 7)  Most of the body’s phosphorus is stored in: (Points : 2)

The liver

Adipose tissue

The skeleton

The kidneys

(TCOs 7, 8)  Dowager’s hump is one characteristic of: (Points : 2)




The female athlete triad

(TCOs 7, 8)  Pellagra is the deficiency disease associated with: (Points : 2)





(TCO 8)  Which of the following do sodium and potassium NOT have in common? (Points : 2)

Rich sources of both include fresh foods, such as bananas, cantaloupe, and potatoes

Both participate in maintaining fluid balance

Both are involved in nerve transmission

Both are major electrolytes in the body

(TCO 8)  Most water is lost daily via the ________. (Points : 2)





(TCO 8)  Diets rich in ________ are associated with maintaining healthy blood pressure levels. (Points : 2)





(TCO 8)  Which of the following groups are the MOST vulnerable to detain? (Points : 2)

Pregnant women and the elderly

Adolescents and children

Infants and pregnant women

Infants and the elderly

(TCO 8)  Why is hypertension often referred to as the silent killer? (Points : 2)

Physicians are just beginning to realize the consequence of this condition.

The symptoms of this condition are not obvious.

Many individuals are embarrassed and don’t like to admit that they have this condition.

There are no effective treatments for this condition.

(TCO 8)  Which of the following is a diuretic? (Points : 2)




Orange juice

(TCO 5)  Diets high in trans-fatty acids are associated with: (Points : 2)

Decreased cancer risk.

Increased blood cholesterol levels.


Decreased blood glucose levels.

(TCO 5)  What is the primary form of lipid in the diet? (Points : 2)





(TCO 5)  Which of the following ingredients would alert you to the presence of trans-fatty acids in a product? (Points : 2)

Hydrogenated vegetable oil


Liquid corn oil

Vitamin E

(TCO 6)  Which of the following is a genetic disorder resulting in debilitating protein abnormalities? (Points : 2)

Cystic fibrosis

Mad cow disease



(TCO 6)  The process of transferring the amine group from one amino acid to another is called: (Points : 2)

Gene expression.




(TCO 6)  The type of protein-energy malnutrition characterized by a general lack of protein, energy, and nutrients in the diet is called: (Points : 2)


Sickle cell anemia.

Cystic fibrosis.


(TCO 4)  Which of the following BEST describes the glycemic index? (Points : 2)

An individual’s glucose/insulin ratio in a fasted state

The amount of insulin required to metabolize 100 grams of glucose

The glucose content of a given food

The extent to which a given food raises blood glucose and insulin

(TCO 4)  What is the major monosaccharide found in the body? (Points : 2)





(TCO 4)  The term complex carbotes refers to: (Points : 2)





(TCO 1)  Which of the following is exempt from standard food labeling regulations? (Points : 2)




All of the above

(TCO 1)  In which organ does the majority of water absorption occur? (Points : 2)



Small intestine

Large intestine

(TCO 1)  Which of the following is an example of a persistent organic pollutant? (Points : 2)




Coal tar

SCI 228 Final Exam

(TCO 5) Discuss the factors that contribute to the development of obesity. How can related health promotion programs curb the incidence of obesity? (Points : 20)

The factors that contribute to obesity include lifestyle choices (e.g. too little sleep and the lack of exercise), medical…

(TCOs 3, 5) Beginning with the mouth, describe the digestion and absorption of dietary fat. What is the final fate of fat in the human body? (Points : 20)

The digestion process starts in the mouth. Mechanical digestion takes place when the teeth grind the food and break it down into…

(TCO 8) Our kidneys are constantly trying to maintain fluid balance by either excreting or retaining fluid. How is fluid primarily lost by the body, AND besides answering this question, please list the situations that can cause a significant loss of fluid. (Points : 20)

The body constantly loses fluids through urinating, sweating, and…

(TCO 9) Why does the risk for osteoporosis increase with menopause? What are some of the current treatments for osteoporosis? (Points : 20)

Osteoporosis is a disease of the bones. People who have this condition have weak bones, which easily…

(TCO 9)  Explain in detail how the bones in our body serve as a calcium bank for the body. Give examples and illustrate the chemistry. (Points : 20)

The bones serve as a calcium bank in that almost all of the calcium in our bodies is stored as bone minerals. When the…

(TCO 10) As a common pattern of disordered eating, chronic dieting can have many serious health concerns and conditions associated with this disorder. Please list the health concerns associated with chronic dieting and explain why this practice is detrimental to one’s health.   (Points : 20)

The health concerns associated with chronic dieting include nutrient deficiencies, altered mood, and slowed metabolism. It also makes…

(TCO 1) Discuss the benefits of and concerns regarding genetically modified foods/organisms. What are some legal implications? (Points : 20)

Some of the benefits of GMOs include the faster output of crops; the crops’ resistance to disease, increased nutrients, and a…

(TCO 10) Discuss ways to treat morning sickness during pregnancy. (Points : 20)

Morning sickness can occur at any time of the day, but most of the time it occurs earlier in the day when the…

(TCO 2) Using the My Pyramid food guide, describe a healthy diet plan for a vegan. Include types and servings of food within the five categories of the pyramid, as well as comment on nutrients that may need additional attention. (Points : 20)

Grains – 3 ounces of whole grain pasta, rice, crackers, cereals, or…

SCI 228 Final Exam