NUTR 328 Homework

subject Type Homework Help
subject Pages 7
subject Words 1578
subject Authors Eleanor Noss Whitney, Sharon Rady Rolfes

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page-pf1
The synthesis of collagen requires both vitamin C and
a.iron.
b.zinc.
c.cobalamin.
d.beta-carotene.
e.copper.
Which statement describes a recognized relationship between dietary fat and cancer?
a. Fat from milk does not increase risk for cancer.
b. Dietary fat initiates rather than promotes cancer formation.
c. High intakes of omega-3 fatty acids promote cancer development in animals.
d. The evidence linking fat intake with cancer is stronger than that linking it with heart
disease.
e. There is a strong link between breast cancer incidence and dietary fat.
Which of the following is a characteristic of heavy metals in the U.S. food supply?
a. Virtually all fish contain trace amounts of mercury.
b. Mercury contamination of fish is most severe in tuna.
c. Toxicity is most severe in the elderly population group.
d. Contamination is usually greater in farm-raised fish than in ocean fish.
e. Older fish are generally safer than younger fish, since they have had more time to
excrete the mercury.
What is one major weakness of a laboratory-based study?
a.The costs are typically prohibitive.
b.Findings are difficult to replicate.
c.Results from animal testing cannot be applied to human beings.
d.Experimental variables cannot be easily controlled.
e.Causality cannot be inferred.
page-pf2
Which of the following vitamins has been noted as preventing the oxidation of
low-density lipoproteins?
a.A
b.E
c.K
d.D2
e.D3
Describe the signs and symptoms of phenylketonuria. What is the cause and what is the
treatment?
page-pf3
Zinc content is highest in foods that also contain a large amount of
a. fat.
b. fiber.
c. protein.
d. complex carbohydrate.
e. simple carbohydrate.
What term may be used to describe a hydrophobic substance?
a. Lipophilic
b. Lipophobic
c. Glycerophilic
d. Glycerophobic
e. Emulsifiable
What is the ideal range of body fat content for women between 20 and 39 years of age?
a.15-17%
b.18-21%
c.23-26%
d.28-32%
e.33-37%
page-pf4
What is the primary means for degradation of soluble fibers in the large intestines?
a. bacterial enzymes
b. pancreatic amylase
c. peristaltic segmentation
d. villus brush border hydrolases
e. polysaccharide amylase
Which of the following is a characteristic of vitamin K nutrition?
a.Deficiency may lead to hemophilia.
b.Toxicity may increase risk for hemophilia.
c.Absorption is inhibited when bile production diminishes.
d.Supplements are highly effective against osteoporosis.
e.The UL is 10% above the RDA for both men and women, across all age groups.
High-fructose corn syrup is manufactured by adding an enzyme to cornstarch that
creates fructose from ____.
a. glucose
b. maltose
c. sucrose
d. galactose
e. lactose
What is an important feature of the food group subgroupings?
a.Consuming a vegetable will provide only one major nutrient
b.Consuming legumes supplies protein but not fiber or vitamins
c.Consuming every subgroup every day is not necessary
d.Consuming broccoli every day for a week to meet the vegetables group intake is
acceptable
e.Consuming dairy products is no longer recommended
page-pf5
Which characteristic is most typical of a chronic disease?
a.It has a rapid onset.
b.It rarely has noticeable symptoms.
c.It produces sharp pains
d.It progresses gradually.
e.It disrupts daily life, but is unlikely to be life-threatening.
Which statement describes lactate production by muscle cells?
a. It occurs only during intense exercise.
b. When rapid, it causes muscle fatigue.
c. It produces lactate that may eventually be used by the liver for glucose production.
d. It lowers the pH of the muscle cell, thereby lowering muscle performance.
e. It is an aerobic process.
During pregnancy, exposure to excessive iodine from foods, prenatal supplements, or
medications
a. is associated with subsequent development of attention deficit-hyperactivity disorder.
b. increases the risk of the development of gestational diabetes.
c. may cause agitation in the mother and fetus.
d. can result in the fetus developing a severe, life-threatening goiter.
e. rarely has a lasting impact on mother or child.
Visceral fat is stored chiefly ____.
a.around the thighs and neck
b.within the liver and spleen
c.around the abdominal organs
d.within subcutaneous adipocytes
e.in shallow deposits above muscles
page-pf6
____________________ are large phagocytic cells that serve as scavengers of the
blood, clearing it of old or abnormal cells, cellular debris, and antigens.
In ____________________, the surgeon constructs a small stomach pouch and creates
an outlet directly to the small intestine, bypassing most of the stomach, the entire
duodenum, and some of the jejunum.
The medical term for a person who lacks teeth is ____________________.
____________________ ingested prior to high-intensity sports performance buffers the
acid and neutralizes the carbon dioxide, thereby maintaining muscle pH levels closer to
normal and enhancing exercise capacity.
To calculate the nutrient density of a food item, divide the ____________________ by
the ____________________.
The "bag of waters" in the uterus, in which the fetus floats is called the
____________________.
page-pf7
Discuss the role of bacteria in the GI tract and factors that help regulate their
proliferation.

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